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© 2011 Cisco and/or its affiliates. All rights reserved. Cisco Connect 11© 2012 Cisco and/or its affiliates. All rights reserved.
Toronto, Canada
May 30, 2013
Architecting
Impactful Visual
Collaboration
John Burnett
Technical Marketing Engineer, Call Control
CTG Solutions
Agenda
• Unified Call Control
• Unified Conferencing
• Borderless Collaboration Edge Architecture
• Key Takeaways
• Q&A
© 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 3
Unified Call Control
Collaboration Architecture
Call Control Products, Versions and Baseline support
Supported Products and Versions
• CUCM version 9.1
• VCS version 7.2
• VCS Endpoints version TC 6.1
• TMS version 14.2
Baseline support
• Voice and Video Endpoints
• Desktop Sharing
• Encrypted Calls
• Redundancy
Unified CM
TMS
Conferencing
VPN
Edge
PSTN
TDM
ISDN
Voice
Video
VCS-C
DSP
Call Control
Collaboration Architecture
Call Control: Strategic Vision
All SIP based Endpoints register
to CUCM
CUCM Call Control provides :
Additional Features
Simplified CAC
Simplified Dial Plan
TC Endpoints can be registered
to CUCM today
Goal: Allow all TC Endpoints to
register with CUCM with the next
major UCM release
Leverage VCS for Collaboration
Edge & Conferencing
Unified CM
Endpoints
Collaboration Architecture
Call Control: Deployment Models
• Based on SRND Deployment Models
1. Campus Deployment Model
2. Centralized Call Processing Deployment Model
3. Distributed Call Processing Model
• These models combine investments in both CUCM & VCS
• The following slides discuss the placement of CUCM and VCS only for each
Deployment option based on current product versions.
• Endpoint Registration is discussed separately
• Other deployment models are viable and supported
Collaboration Architecture
Call Control: Campus Deployment Model
Campus Site
The most basic deployment model :
• Single Site
• CUCM and VCS co-located
• SIP Trunk between CUCM and
VCS
• Simplistic Dial Plan integration
• CAC not required
• TMS for solution-wide scheduling
TMS
VCS-C
Unified CM
Collaboration Architecture
Campus Deployment Model: Benefits and Considerations
• Decision to use VCS for endpoint registration – depends on customer’s deployment and feature
requirements – discussed later
• Single SIP Delayed Offer Trunk between CUCM and VCS
• Trunk destinations can be IP addresses or can use DNS
• Simplistic call routing - Default Routes between CUCM and VCS
• Number/ URI not found on CUCM – send to VCS
• Number/ URI not found on VCS – send to CUCM
• Dial Plan
• If this a newly installed VCS cluster
• Use URI’s only or numbers only on VCS endpoints
• Use SIP only on endpoints – simplifies migration to CUCM
• If this is an existing VCS cluster
• Try to avoid using both a number and a URI on a single endpoint – as this requires both SIP
and H323 to be used. Calls to H323 addresses will be interworked via VCS (media hair-
pinned via VCS)
Deployment Models: Centralized Call Processing Model
Centralized CUCM and Centralized VCS
• Single Central Site with Call Control
• Multiple Remote Sites – Endpoints only
• SIP Trunk between CUCM and VCS
• Simplistic Dial Plan integration
• Isolated Call Admission Control mechanisms for
CUCM and VCS
Remote
Office N
IP WAN
Central Site
TMS
VCS-C
Unified CM
Centralized CUCM and Centralized VCS: Benefits and
Considerations
• Primary considerations are CAC, Dial Plan and TCO
• This recommended design is based on the best current design bearing in mind a future
migration of VCS endpoints to CUCM (See appendix and word doc for alternative
designs)
• No one design for the centralized deployment model addresses all design issues
• Alternative designs address CAC at the expense of additional dial plan complexity and
additional VCS clusters that may become redundant once VCS endpoints are migrated
to CUCM
• With this design :
• The dial plan is simplistic (as per the campus deployment model)
• CAC challenges for calls between CUCM and VCS endpoints (within and between branches).
• WAN bandwidth must be provisioned independently for VCS and CUCM
• This segregated CAC architecture is a common feature of dual call control designs
• Interworking on VCS should be done locally for best media routing experience.
SME and Directory VCS -Existing VCS environment
IP WAN
Session Management Edition
Directory VCS
SIP
Campus Site
TMS
Unified CM
Remote
Office N
IP WAN
Central Site
TMS
Unified CM
Remote
Office N
IP WAN
Central Site
TMS
Unified CM
VCS-C
VCS-C
VCS-C
SME and Directory VCS – Existing VCS environment: Benefits
and Considerations
• This model is proposed for customers who have multiple VCS clusters deployed today
• These customers will probably have regional VCS clusters and a Directory VCS deployed
already
• In this design there are two separate Call Control domains – VCS and CUCM
• Dial Plan
• Is simplistic – a single SIP Trunk between SME and Directory VCS - default routes to each
domain
• Call Admission Control
• Isolated Call Admission Control mechanisms for CUCM and VCS domains
• CAC challenges for CUCM to VCS calls ( a known issue with dual call control )
• If interworking cannot be avoided it should take place in the leaf VCS systems rather than the
Directory VCS
SME with multiple Centralized CUCM & VCS deployments:
CUCM Centric Deployment
IP WAN
Session Management Edition
SIP
Campus Site
TMS
VCS-C
Unified CM
Remote
Office N
IP WAN
Central Site
TMS
VCS-C
Unified CM
Remote
Office N
IP WAN
Central Site
TMS
VCS-C
Unified CM
SME with multiple Centralized CUCM & VCS deployments –
CUCM Centric Deployment: Benefits and Considerations
• This model is an extension of the previous Campus and Centralized Deployment models
• Proposed for customers who do not have VCS deployed today
• The same design principles apply for Campus and Centralized deployments except for :
• Dial Plan
• With multiple CUCM and VCS clusters default routes can now no longer be used
• For numeric dial plans – call routing needs to be regionalized to route calls via SME to other clusters
• For alphanumeric dial plans – Use ILS and import URIs from each VCS cluster into the CUCM ILS domain
• Call Admission Control
• CAC challenges for CUCM to VCS calls within Centralized Deployments
• CAC does work between clusters via SME
Additional Deployment Options
Above and beyond the core designs (Campus, Centralized, Distributed)
1) Centralized CUCM, Distributed VCS Deployment Model
2) Centralized CUCM, Hybrid - Centralized & Distributed VCS Deployment Model
3) SME & Distributed Call Processing Deployment Model with Hybrid VCS deployments
4) SME & VCS-D Distributed Call Processing Model with Hybrid VCS deployments
• We will lead with the core designs (Campus, Centralized, Distributed)
• Endpoint Registration is discussed separately
• See Backup Slides
TC Endpoint Registration
CUCM only or Greenfield site
Unified CM
PSTN/ISDN
VCS-C
Register Endpoints on VCS if you require :
IPv6 Video
Endpoint Registration Redundancy
US DoD certification
User Menu Lockout
Release Key Management
Endpoints registered on CUCM gain the following key features
and benefits:
Single Dial Plan - Single Call Admission Control Domain
CUCM Phones features :
Voice Mail indicator /Call Forward All /Consultative Transfer
Shared Lines /SNR /Ad Hoc conferencing /CTI Control /BLF
CSS/Partitions /Hunt Groups/ Music on Hold/ Announcements
TC Endpoint Registration
Existing VCS / VCS & CUCM Users
PSTN/ISDN
VCS-C
Keep Endpoints on VCS if you require :
TMS Directly Managed
TMS Provisioned
IPv6 Video
Endpoint Registration Redundancy
User Menu Lockout
Release Key Management
H323 and 3rd Party Endpoint registration
Downspeeding/ MOVI Clients
Zone /Sub-Zone Encryption
Unified CM
Register endpoints on CUCM to enable the following
features/functionality:
Single Management point for Dial Plan
Single Call Admission Control Domain
CUCM Phones features :
Voice Mail indicator /Call Forward All /Consultative Transfer
Shared Lines /SNR /Ad Hoc conferencing /CTI Control /BLF
CSS/Partitions /Hunt Groups/ Music on Hold/ Announcements
© 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 18
Unified
Conferencing
Collaboration Conferencing Architecture
Products, Versions and Baseline support
Unified CM
TMS
Conferencing
VPN
Edge
PSTN
TDM
ISDN
Voice
Video
VCS-C
DSP
Call Control Supported products and versions:
• Packet Voice DSP Module (PVDM) version 3
• Conductor version XC2.1
• TelePresence Server 7010 and 8710 version 3.0
• MCU 8510 version 4.4
• MCU 53X0 version 4.4
• UC Manager version 9.1.1
• Video Communication Server (VCS) version
X7.2.2
• TelePresence Management Suite (TMS) 14.2
Baseline support:
• Support for both voice and video endpoints
• End-to-End encryption
• Meeting types:
• Ad hoc
• Rendezvous
• Scheduled (video calls only)
• Maximum resiliency
• Content support (for video calls)
Collaboration Conferencing Architecture
Vision
Unified CM
Ad hocRendezvous
and scheduled
conferencing
Orchestration
Scheduler
Conferencing
Scheduled voice
conferencing
High Level Overview:
• Unified Audio, Video and WebEx
conferencing
• Orchestration is provided to
ensure the best experience,
ease of use and resiliency
• Devices underneath the
orchestration layer can be
hardware or software based and
use transcoding and/or switching
Collaboration Conferencing Architecture
Today’s Recommendation
VCS-C
Unified CM
Ad hocRendezvous
video conferencing
Scheduled Video
conferencing
Conductor
Ad hoc voice
conferencing
TMS
SIP Trunk SIP/H.323 registration SIP/XML RPC SCCP registration
Scheduled voice
conferencing
High Level Recommendation:
• Audio conferencing
• Audio transcoding and conferencing devices connected to UC
Manager (plus WebEx). Maintain existing audio conferencing
best practices
• Video conferencing
• Ad hoc and Rendezvous: Conductor added as a Media
Resource Group/trunked to UC Manager with MCU or
TelePresence Server behind
• Scheduled: MCU or TelePresence Server registered to VCS
• Conferencing devices
• TelePresence Server 8710/7010: Video
• MCU 8510/53X0: Video
• PVDM3: Audio only no video
Deployment Models – Centralized Call Processing
Campus with centralized conferencing
General Considerations:
• Conductor should be clustered to add resiliency
• Conductor has the following limitations (clustering does not affect these values):
• 30 MCU’s or TS’s (or mix both)
• 2400 concurrent calls
• 1200 active conferences
• Currently Conductor does not take in to account the audio-only ports on MCU or TS
Collaboration Conferencing Architecture
Deployment Models:
• Campus
• Centralized Call Control
• Distributed Call Control with Distributed Conferencing
Deployment Models: Centralized Call Processing
Campus with centralized conferencing
Ad hocRendezvous
video conferencing
VCS-C
Unified CM
Ad hocRendezvous
video conferencing
Scheduled Video
conferencing
Conductor
Ad hoc voice
conferencing
TMS
SIP Trunk SIP/H.323 registration SIP/XML RPC SCCP registration
Campus Site
Scheduled voice
conferencing
Audio conferencing
• Centralized pool of ad hoc voice resources
Video conferencing
• Ad hoc and Rendezvous: Two Conductors
clustered and trunked to UC Manager with
MCU or TelePresence Server resources split
for maximum resiliency
• Scheduled: Separate MCU(s) or TelePresence
Server(s) registered to VCS
Deployment Models: Centralized Call Processing
Campus with centralized conferencing
Benefits:
• The Unified CM Conference Button ad hoc call escalation mechanism is supported
• Rendezvous and ad hoc calls may both be hosted on a single MCU or TS if required
• All TMS scheduling capabilities are supported
• Advanced TS features such as optimized conferencing are available for ad hoc and rendezvous calls
• CAC simplified with conferencing resources in single location
Considerations:
• Conductor should be clustered to add resiliency
Deployment Models: Centralized Call Processing
Centralized Unified CM with distributed conferencing
SIP Trunk SIP/H.323 registration SIP/XML RPC SCCP registration
VCS-C
Unified CM
Ad hocRendezvous
video conferencing
Scheduled Video
conferencing
Conductor
Ad hoc voice
conferencing
TMS
Remote
Office NCentral Site
Scheduled Video
conferencing
Ad hoc voice
conferencing
Scheduled voice
conferencing
IP WAN
Audio conferencing
• Distributed pools of ad hoc
voice resources
Video conferencing
• Ad hoc and Rendezvous: Two
Conductors clustered and
trunked to UC Manager with
MCU or TelePresence Server.
Resources remain centralized
where the most bandwidth is.
• Scheduled: Separate MCU(s)
or TelePresence Server(s)
registered to VCS, centralized
or optionally distributed if
remote office is large.
Deployment Models: Centralized Call Processing
Campus with centralized conferencing
Benefits:
• The Unified CM Conference Button ad hoc call escalation mechanism is supported
• Rendezvous and ad hoc calls may both be hosted on a single MCU or TS if required
• All TMS scheduling capabilities are supported
• Advanced TS features such as optimized conferencing are available for ad hoc and rendezvous calls
• Media can be kept local to audio endpoints by using the closest ad hoc conferencing resource
• Media can be local to video endpoints by using the closest scheduled video resources if distributed.
• Scheduled video resources can be centralized or distributed since TMS can place calls on the most local MCU when IP
zones are configured
Considerations:
• Conductor should be clustered to add resiliency
• Latency between Conductor and the conferencing devices should be less than 1000ms
• Ad hoc/rendezvous video conferencing resources are best placed in a centralized or high bandwidth to prevent
undesirable WAN bandwidth usage
IP WANIP WAN
Deployment Models: Distributed Call Processing
SME with distributed conferencing
SIP Trunk SIP/H.323 registration SIP/XML RPC SCCP registration
Scheduled voice
conferencing
VCS-C
Unified CM
VCS-C
Unified CM
VCS-C
Unified CM
Session Management Edition
Scheduled Video
conferencing
Ad hocRendezvous
video conferencing
Conductor
Scheduled
Video
conferencing
Ad hoc voice
conferencing
Scheduled Video
conferencing
Ad hoc voice
conferencing
Ad hocRendezvous
video conferencing
Ad hoc voice
conferencing
Ad hocRendezvous
video conferencing
TMS
In the case of a directory VCS being
used the conferencing deployment
does not change, scheduled MCUs
or TelePresence Servers register to
the most local VCS leaf cluster.
• Audio conferencing
Distributed pool of ad hoc
voice resources
• Video conferencing
Ad hoc: Conductors
centralized, connected to each
UC Manager
Rendezvous: Conductor
cluster trunked to SME
Scheduled: Separate MCU(s)
or TelePresence Server(s)
registered to local VCS
Deployment Models: Distributed Call Processing
SME with distributed conferencing
Benefits:
• The Unified CM Conference Button ad hoc call escalation mechanism is supported
• Rendezvous and ad hoc calls may both be hosted on a single MCU or TS if required
• All TMS scheduling capabilities are supported
• Advanced TS features such as optimized conferencing are available for ad hoc and rendezvous calls
• Media can be kept local to endpoints by using the closest conferencing resource
• Single location for managing multipoint video resources from all sites via Conductor
• Utilize exiting SME dial plan for rendezvous conferences Considerations:
• Conductor should be clustered to add resiliency
• For larger deployments multiple Conductor clusters may be required, but these very large deployments should be handled
on a case by case basis to ensure the optimum result for customers
© 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 31
Borderless
Collaboration Edge
Architecture
Collaboration Enterprise Edge Architecture
Products, Versions and Baseline Support
Unified CM
TMS
Conferencing
VPN
Edge
PSTN
TDM
ISDN
Voice
Video
VCS-C
DSP
Call Control
Voice and Video
Gateways
PSTN/ISDN
VPN
concentrator
VCS
Expressway
CUBE
Supported products and versions:
• UC Manager version 9.1.1 or later
• Video Communication Server (VCS) version X7.2.2
• VCS Expressway X7.2.2
• ASA VPN concentrator 9.0
• Cisco IM&P server 9.1 or compatible
• TelePresence Management Suite (TMS) 14.2
• ISR / CUBE IOS 15.1.4M
• ISDN Gateways 2.1
• Endpoints TC6.1, Jabber 9.2
Baseline support:
• Registration for IP phones, video endpoints and
Jabber from Internet
• Supplementary services for endpoints calls
• Endpoint Presence
• Able to dial E.164/URI/E911
• Access directories / address book
• PSTN connectivity (IP/TDM/ISDN)
• Ability to support clusters (failover/load balancing)
• Security for registration, signaling and media
Collaboration Enterprise Edge Architecture
Overview
Scenarios:
• Extend enterprise network with VPN
• Endpoint registrations
• Basic calls and supplementary services
• Soft clients with IM&P
• Enterprise dial plan and directories
• External video through VCS Expressways
• Endpoint registrations (selective)
• Basic calls and supplementary services
• Enterprise dial plan and directories
• Central PSTN control though Unified CM
• Video gateways for ISDN
• IP PSTN SIP trunking through CUBE
Collaboration Enterprise Edge Architecture
Vision
Unified CM
Enterprise call control,
IM&P and conferencing
SIP Trunk
SIP/H.323
SIP/XML RPC
PSTN
Long Term Vision “End Goal”:
Enterprise Edge
• VCS Expressway
Enterprise gateway
• Integrated voice and video gateway
Firewall appliance
• ASA /ISR
Integrated
Voice & Video
GW
Expressway
© 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 35
Unified CM &
applications
Expressway
Firewall Traversal
AnyConnect
VPN
• Layer 3 VPN Solution
• Secures the entire device and it’s
contents
• AnyConnect allows users access
to any permitted applications &
data
• Expressway
• Session-based firewall traversal
• Allows access to collaboration
applications ONLY
• i.e. Personal data not routed
through enterprise network
• Ex. JabberVideo (Movi)
Collaboration Enterprise Edge Architecture
Today’s Recommendation
VCS-C
Unified CM
Scheduled voice
conferencing
SIP Trunk SIP/H.323 SIP/XML RPC
Voice Gateways
Video Gateways
PSTN/ISDN
VCS-e
PSTN
TDM/ISDN
Voice/
Video
VPNASA
CUBE
SIP/H.323/MGCP/QSIG
High Level Recommendation:
Extend collaboration network with VPN
• Remote/teleworker endpoints registering to CUCM
• Used with VPN router for devices not supported by VCS
such as TX series, CTS series, IP phones
• Endpoints that have built in VPN client
• Support for Jabber IM and presence functionality
Video over IP/Internet (VCS Expressway)
• External connectivity using Internet (VPNless)
• External endpoints such as EX series, C series, Profile
series, Jabber for iPad register with VCS Expressway
• B2B video calls
Gateways
• Voice gateways (TDM)
• Video gateways (ISDN)
• IP gateways with CUBE for voice
Collaboration Enterprise Edge Architecture
VPN
Benefits
• Extend enterprise network to remote locations, teleworkers, or mobile workers
• The VPN head-end options include
• ASA, ISR or ASR
• Voice, video, and data traffic is secured in an encrypted tunnel over the internet
• voice and video can also be encrypted with TLS and SRTP inside the VPN tunnel for additional
security but requires cluster wide encryption support (mixed mode) on CUCM.
• Use cases
• Cisco Jabber on phones, tablets, or laptops.
• Teleworker
• Remote locations
Collaboration Enterprise Edge Architecture
VCS Expressway
Benefits
• NAT/FW Traversal
• URI and Number based call routing
• Interworking for protocols
• Secure calls with TLS and SRTP
• Supports Clustering
• Redundancy for registration and call control
• Scale based on per server / per cluster capacities
• Use cases
• Remote users
• Mobile users
• Business to business calling
Collaboration Enterprise Edge Architecture
Gateways
Benefits
• ISR gateways for PSTN connectivity
• Cisco TelePresence gateways for Video
• Prefix based dialing to differentiate voice and video calls
• SIP trunking through service provider using CUBE
• Use cases
• PSTN or ISDN connectivity
• Service provider trunk services
Collaboration Enterprise Edge Architecture
Considerations
• There is no single box solution
• IM may not possible when using VCS-e or CUBE deployments
• No call preservation possible
• VPN solution does not optimize media between the endpoints
• Jabber soft clients cannot dial URI (fix coming in upcoming release, Movi and Jabber for ipad can dial URI)
• Immersive endpoints can use VCS-CVCS-E for B2B calling
• No automatic detection for voice calls and Video so they can be serviced by respective gateways, Today
number based calls can be routed to PSTN gateways and URI based calls to VCS Expressway
Key Takeaways
• Multiple architectures supported for both CUCM and VCS centric customers
• Endpoint registration supported on CUCM and VCS
• Ad-hoc resources should be fronted by Conductor for both CUCM & VCS deployments
for redundancy and resiliency
• To ensure availability, scheduled conferences should have dedicated MCU/TS resources
• Expressway for remote and B2B video over the internet (VPN-less).
• VPN for existing voice-centric applications
© 2011 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 42Cisco ConfidentialCisco Connect 42© 2012 Cisco and/or its affiliates. All rights reserved.
Q&A
© 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 43© 2011 Cisco and/or its affiliates. All rights reserved. Cisco Connect 4343© 2012 Cisco and/or its affiliates. All rights reserved.
Backup Slides
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© 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 49
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Architecting Impactful Visual Collaboration

  • 1. © 2011 Cisco and/or its affiliates. All rights reserved. Cisco Connect 11© 2012 Cisco and/or its affiliates. All rights reserved. Toronto, Canada May 30, 2013 Architecting Impactful Visual Collaboration John Burnett Technical Marketing Engineer, Call Control CTG Solutions
  • 2. Agenda • Unified Call Control • Unified Conferencing • Borderless Collaboration Edge Architecture • Key Takeaways • Q&A
  • 3. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 3 Unified Call Control
  • 4. Collaboration Architecture Call Control Products, Versions and Baseline support Supported Products and Versions • CUCM version 9.1 • VCS version 7.2 • VCS Endpoints version TC 6.1 • TMS version 14.2 Baseline support • Voice and Video Endpoints • Desktop Sharing • Encrypted Calls • Redundancy Unified CM TMS Conferencing VPN Edge PSTN TDM ISDN Voice Video VCS-C DSP Call Control
  • 5. Collaboration Architecture Call Control: Strategic Vision All SIP based Endpoints register to CUCM CUCM Call Control provides : Additional Features Simplified CAC Simplified Dial Plan TC Endpoints can be registered to CUCM today Goal: Allow all TC Endpoints to register with CUCM with the next major UCM release Leverage VCS for Collaboration Edge & Conferencing Unified CM Endpoints
  • 6. Collaboration Architecture Call Control: Deployment Models • Based on SRND Deployment Models 1. Campus Deployment Model 2. Centralized Call Processing Deployment Model 3. Distributed Call Processing Model • These models combine investments in both CUCM & VCS • The following slides discuss the placement of CUCM and VCS only for each Deployment option based on current product versions. • Endpoint Registration is discussed separately • Other deployment models are viable and supported
  • 7. Collaboration Architecture Call Control: Campus Deployment Model Campus Site The most basic deployment model : • Single Site • CUCM and VCS co-located • SIP Trunk between CUCM and VCS • Simplistic Dial Plan integration • CAC not required • TMS for solution-wide scheduling TMS VCS-C Unified CM
  • 8. Collaboration Architecture Campus Deployment Model: Benefits and Considerations • Decision to use VCS for endpoint registration – depends on customer’s deployment and feature requirements – discussed later • Single SIP Delayed Offer Trunk between CUCM and VCS • Trunk destinations can be IP addresses or can use DNS • Simplistic call routing - Default Routes between CUCM and VCS • Number/ URI not found on CUCM – send to VCS • Number/ URI not found on VCS – send to CUCM • Dial Plan • If this a newly installed VCS cluster • Use URI’s only or numbers only on VCS endpoints • Use SIP only on endpoints – simplifies migration to CUCM • If this is an existing VCS cluster • Try to avoid using both a number and a URI on a single endpoint – as this requires both SIP and H323 to be used. Calls to H323 addresses will be interworked via VCS (media hair- pinned via VCS)
  • 9. Deployment Models: Centralized Call Processing Model Centralized CUCM and Centralized VCS • Single Central Site with Call Control • Multiple Remote Sites – Endpoints only • SIP Trunk between CUCM and VCS • Simplistic Dial Plan integration • Isolated Call Admission Control mechanisms for CUCM and VCS Remote Office N IP WAN Central Site TMS VCS-C Unified CM
  • 10. Centralized CUCM and Centralized VCS: Benefits and Considerations • Primary considerations are CAC, Dial Plan and TCO • This recommended design is based on the best current design bearing in mind a future migration of VCS endpoints to CUCM (See appendix and word doc for alternative designs) • No one design for the centralized deployment model addresses all design issues • Alternative designs address CAC at the expense of additional dial plan complexity and additional VCS clusters that may become redundant once VCS endpoints are migrated to CUCM • With this design : • The dial plan is simplistic (as per the campus deployment model) • CAC challenges for calls between CUCM and VCS endpoints (within and between branches). • WAN bandwidth must be provisioned independently for VCS and CUCM • This segregated CAC architecture is a common feature of dual call control designs • Interworking on VCS should be done locally for best media routing experience.
  • 11. SME and Directory VCS -Existing VCS environment IP WAN Session Management Edition Directory VCS SIP Campus Site TMS Unified CM Remote Office N IP WAN Central Site TMS Unified CM Remote Office N IP WAN Central Site TMS Unified CM VCS-C VCS-C VCS-C
  • 12. SME and Directory VCS – Existing VCS environment: Benefits and Considerations • This model is proposed for customers who have multiple VCS clusters deployed today • These customers will probably have regional VCS clusters and a Directory VCS deployed already • In this design there are two separate Call Control domains – VCS and CUCM • Dial Plan • Is simplistic – a single SIP Trunk between SME and Directory VCS - default routes to each domain • Call Admission Control • Isolated Call Admission Control mechanisms for CUCM and VCS domains • CAC challenges for CUCM to VCS calls ( a known issue with dual call control ) • If interworking cannot be avoided it should take place in the leaf VCS systems rather than the Directory VCS
  • 13. SME with multiple Centralized CUCM & VCS deployments: CUCM Centric Deployment IP WAN Session Management Edition SIP Campus Site TMS VCS-C Unified CM Remote Office N IP WAN Central Site TMS VCS-C Unified CM Remote Office N IP WAN Central Site TMS VCS-C Unified CM
  • 14. SME with multiple Centralized CUCM & VCS deployments – CUCM Centric Deployment: Benefits and Considerations • This model is an extension of the previous Campus and Centralized Deployment models • Proposed for customers who do not have VCS deployed today • The same design principles apply for Campus and Centralized deployments except for : • Dial Plan • With multiple CUCM and VCS clusters default routes can now no longer be used • For numeric dial plans – call routing needs to be regionalized to route calls via SME to other clusters • For alphanumeric dial plans – Use ILS and import URIs from each VCS cluster into the CUCM ILS domain • Call Admission Control • CAC challenges for CUCM to VCS calls within Centralized Deployments • CAC does work between clusters via SME
  • 15. Additional Deployment Options Above and beyond the core designs (Campus, Centralized, Distributed) 1) Centralized CUCM, Distributed VCS Deployment Model 2) Centralized CUCM, Hybrid - Centralized & Distributed VCS Deployment Model 3) SME & Distributed Call Processing Deployment Model with Hybrid VCS deployments 4) SME & VCS-D Distributed Call Processing Model with Hybrid VCS deployments • We will lead with the core designs (Campus, Centralized, Distributed) • Endpoint Registration is discussed separately • See Backup Slides
  • 16. TC Endpoint Registration CUCM only or Greenfield site Unified CM PSTN/ISDN VCS-C Register Endpoints on VCS if you require : IPv6 Video Endpoint Registration Redundancy US DoD certification User Menu Lockout Release Key Management Endpoints registered on CUCM gain the following key features and benefits: Single Dial Plan - Single Call Admission Control Domain CUCM Phones features : Voice Mail indicator /Call Forward All /Consultative Transfer Shared Lines /SNR /Ad Hoc conferencing /CTI Control /BLF CSS/Partitions /Hunt Groups/ Music on Hold/ Announcements
  • 17. TC Endpoint Registration Existing VCS / VCS & CUCM Users PSTN/ISDN VCS-C Keep Endpoints on VCS if you require : TMS Directly Managed TMS Provisioned IPv6 Video Endpoint Registration Redundancy User Menu Lockout Release Key Management H323 and 3rd Party Endpoint registration Downspeeding/ MOVI Clients Zone /Sub-Zone Encryption Unified CM Register endpoints on CUCM to enable the following features/functionality: Single Management point for Dial Plan Single Call Admission Control Domain CUCM Phones features : Voice Mail indicator /Call Forward All /Consultative Transfer Shared Lines /SNR /Ad Hoc conferencing /CTI Control /BLF CSS/Partitions /Hunt Groups/ Music on Hold/ Announcements
  • 18. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 18 Unified Conferencing
  • 19. Collaboration Conferencing Architecture Products, Versions and Baseline support Unified CM TMS Conferencing VPN Edge PSTN TDM ISDN Voice Video VCS-C DSP Call Control Supported products and versions: • Packet Voice DSP Module (PVDM) version 3 • Conductor version XC2.1 • TelePresence Server 7010 and 8710 version 3.0 • MCU 8510 version 4.4 • MCU 53X0 version 4.4 • UC Manager version 9.1.1 • Video Communication Server (VCS) version X7.2.2 • TelePresence Management Suite (TMS) 14.2 Baseline support: • Support for both voice and video endpoints • End-to-End encryption • Meeting types: • Ad hoc • Rendezvous • Scheduled (video calls only) • Maximum resiliency • Content support (for video calls)
  • 20. Collaboration Conferencing Architecture Vision Unified CM Ad hocRendezvous and scheduled conferencing Orchestration Scheduler Conferencing Scheduled voice conferencing High Level Overview: • Unified Audio, Video and WebEx conferencing • Orchestration is provided to ensure the best experience, ease of use and resiliency • Devices underneath the orchestration layer can be hardware or software based and use transcoding and/or switching
  • 21. Collaboration Conferencing Architecture Today’s Recommendation VCS-C Unified CM Ad hocRendezvous video conferencing Scheduled Video conferencing Conductor Ad hoc voice conferencing TMS SIP Trunk SIP/H.323 registration SIP/XML RPC SCCP registration Scheduled voice conferencing High Level Recommendation: • Audio conferencing • Audio transcoding and conferencing devices connected to UC Manager (plus WebEx). Maintain existing audio conferencing best practices • Video conferencing • Ad hoc and Rendezvous: Conductor added as a Media Resource Group/trunked to UC Manager with MCU or TelePresence Server behind • Scheduled: MCU or TelePresence Server registered to VCS • Conferencing devices • TelePresence Server 8710/7010: Video • MCU 8510/53X0: Video • PVDM3: Audio only no video
  • 22. Deployment Models – Centralized Call Processing Campus with centralized conferencing General Considerations: • Conductor should be clustered to add resiliency • Conductor has the following limitations (clustering does not affect these values): • 30 MCU’s or TS’s (or mix both) • 2400 concurrent calls • 1200 active conferences • Currently Conductor does not take in to account the audio-only ports on MCU or TS
  • 23. Collaboration Conferencing Architecture Deployment Models: • Campus • Centralized Call Control • Distributed Call Control with Distributed Conferencing
  • 24. Deployment Models: Centralized Call Processing Campus with centralized conferencing Ad hocRendezvous video conferencing VCS-C Unified CM Ad hocRendezvous video conferencing Scheduled Video conferencing Conductor Ad hoc voice conferencing TMS SIP Trunk SIP/H.323 registration SIP/XML RPC SCCP registration Campus Site Scheduled voice conferencing Audio conferencing • Centralized pool of ad hoc voice resources Video conferencing • Ad hoc and Rendezvous: Two Conductors clustered and trunked to UC Manager with MCU or TelePresence Server resources split for maximum resiliency • Scheduled: Separate MCU(s) or TelePresence Server(s) registered to VCS
  • 25. Deployment Models: Centralized Call Processing Campus with centralized conferencing Benefits: • The Unified CM Conference Button ad hoc call escalation mechanism is supported • Rendezvous and ad hoc calls may both be hosted on a single MCU or TS if required • All TMS scheduling capabilities are supported • Advanced TS features such as optimized conferencing are available for ad hoc and rendezvous calls • CAC simplified with conferencing resources in single location Considerations: • Conductor should be clustered to add resiliency
  • 26. Deployment Models: Centralized Call Processing Centralized Unified CM with distributed conferencing SIP Trunk SIP/H.323 registration SIP/XML RPC SCCP registration VCS-C Unified CM Ad hocRendezvous video conferencing Scheduled Video conferencing Conductor Ad hoc voice conferencing TMS Remote Office NCentral Site Scheduled Video conferencing Ad hoc voice conferencing Scheduled voice conferencing IP WAN Audio conferencing • Distributed pools of ad hoc voice resources Video conferencing • Ad hoc and Rendezvous: Two Conductors clustered and trunked to UC Manager with MCU or TelePresence Server. Resources remain centralized where the most bandwidth is. • Scheduled: Separate MCU(s) or TelePresence Server(s) registered to VCS, centralized or optionally distributed if remote office is large.
  • 27. Deployment Models: Centralized Call Processing Campus with centralized conferencing Benefits: • The Unified CM Conference Button ad hoc call escalation mechanism is supported • Rendezvous and ad hoc calls may both be hosted on a single MCU or TS if required • All TMS scheduling capabilities are supported • Advanced TS features such as optimized conferencing are available for ad hoc and rendezvous calls • Media can be kept local to audio endpoints by using the closest ad hoc conferencing resource • Media can be local to video endpoints by using the closest scheduled video resources if distributed. • Scheduled video resources can be centralized or distributed since TMS can place calls on the most local MCU when IP zones are configured Considerations: • Conductor should be clustered to add resiliency • Latency between Conductor and the conferencing devices should be less than 1000ms • Ad hoc/rendezvous video conferencing resources are best placed in a centralized or high bandwidth to prevent undesirable WAN bandwidth usage
  • 28. IP WANIP WAN Deployment Models: Distributed Call Processing SME with distributed conferencing SIP Trunk SIP/H.323 registration SIP/XML RPC SCCP registration Scheduled voice conferencing VCS-C Unified CM VCS-C Unified CM VCS-C Unified CM Session Management Edition Scheduled Video conferencing Ad hocRendezvous video conferencing Conductor Scheduled Video conferencing Ad hoc voice conferencing Scheduled Video conferencing Ad hoc voice conferencing Ad hocRendezvous video conferencing Ad hoc voice conferencing Ad hocRendezvous video conferencing TMS In the case of a directory VCS being used the conferencing deployment does not change, scheduled MCUs or TelePresence Servers register to the most local VCS leaf cluster. • Audio conferencing Distributed pool of ad hoc voice resources • Video conferencing Ad hoc: Conductors centralized, connected to each UC Manager Rendezvous: Conductor cluster trunked to SME Scheduled: Separate MCU(s) or TelePresence Server(s) registered to local VCS
  • 29. Deployment Models: Distributed Call Processing SME with distributed conferencing Benefits: • The Unified CM Conference Button ad hoc call escalation mechanism is supported • Rendezvous and ad hoc calls may both be hosted on a single MCU or TS if required • All TMS scheduling capabilities are supported • Advanced TS features such as optimized conferencing are available for ad hoc and rendezvous calls • Media can be kept local to endpoints by using the closest conferencing resource • Single location for managing multipoint video resources from all sites via Conductor • Utilize exiting SME dial plan for rendezvous conferences Considerations: • Conductor should be clustered to add resiliency • For larger deployments multiple Conductor clusters may be required, but these very large deployments should be handled on a case by case basis to ensure the optimum result for customers
  • 30. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 31 Borderless Collaboration Edge Architecture
  • 31. Collaboration Enterprise Edge Architecture Products, Versions and Baseline Support Unified CM TMS Conferencing VPN Edge PSTN TDM ISDN Voice Video VCS-C DSP Call Control Voice and Video Gateways PSTN/ISDN VPN concentrator VCS Expressway CUBE Supported products and versions: • UC Manager version 9.1.1 or later • Video Communication Server (VCS) version X7.2.2 • VCS Expressway X7.2.2 • ASA VPN concentrator 9.0 • Cisco IM&P server 9.1 or compatible • TelePresence Management Suite (TMS) 14.2 • ISR / CUBE IOS 15.1.4M • ISDN Gateways 2.1 • Endpoints TC6.1, Jabber 9.2 Baseline support: • Registration for IP phones, video endpoints and Jabber from Internet • Supplementary services for endpoints calls • Endpoint Presence • Able to dial E.164/URI/E911 • Access directories / address book • PSTN connectivity (IP/TDM/ISDN) • Ability to support clusters (failover/load balancing) • Security for registration, signaling and media
  • 32. Collaboration Enterprise Edge Architecture Overview Scenarios: • Extend enterprise network with VPN • Endpoint registrations • Basic calls and supplementary services • Soft clients with IM&P • Enterprise dial plan and directories • External video through VCS Expressways • Endpoint registrations (selective) • Basic calls and supplementary services • Enterprise dial plan and directories • Central PSTN control though Unified CM • Video gateways for ISDN • IP PSTN SIP trunking through CUBE
  • 33. Collaboration Enterprise Edge Architecture Vision Unified CM Enterprise call control, IM&P and conferencing SIP Trunk SIP/H.323 SIP/XML RPC PSTN Long Term Vision “End Goal”: Enterprise Edge • VCS Expressway Enterprise gateway • Integrated voice and video gateway Firewall appliance • ASA /ISR Integrated Voice & Video GW Expressway
  • 34. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 35 Unified CM & applications Expressway Firewall Traversal AnyConnect VPN • Layer 3 VPN Solution • Secures the entire device and it’s contents • AnyConnect allows users access to any permitted applications & data • Expressway • Session-based firewall traversal • Allows access to collaboration applications ONLY • i.e. Personal data not routed through enterprise network • Ex. JabberVideo (Movi)
  • 35. Collaboration Enterprise Edge Architecture Today’s Recommendation VCS-C Unified CM Scheduled voice conferencing SIP Trunk SIP/H.323 SIP/XML RPC Voice Gateways Video Gateways PSTN/ISDN VCS-e PSTN TDM/ISDN Voice/ Video VPNASA CUBE SIP/H.323/MGCP/QSIG High Level Recommendation: Extend collaboration network with VPN • Remote/teleworker endpoints registering to CUCM • Used with VPN router for devices not supported by VCS such as TX series, CTS series, IP phones • Endpoints that have built in VPN client • Support for Jabber IM and presence functionality Video over IP/Internet (VCS Expressway) • External connectivity using Internet (VPNless) • External endpoints such as EX series, C series, Profile series, Jabber for iPad register with VCS Expressway • B2B video calls Gateways • Voice gateways (TDM) • Video gateways (ISDN) • IP gateways with CUBE for voice
  • 36. Collaboration Enterprise Edge Architecture VPN Benefits • Extend enterprise network to remote locations, teleworkers, or mobile workers • The VPN head-end options include • ASA, ISR or ASR • Voice, video, and data traffic is secured in an encrypted tunnel over the internet • voice and video can also be encrypted with TLS and SRTP inside the VPN tunnel for additional security but requires cluster wide encryption support (mixed mode) on CUCM. • Use cases • Cisco Jabber on phones, tablets, or laptops. • Teleworker • Remote locations
  • 37. Collaboration Enterprise Edge Architecture VCS Expressway Benefits • NAT/FW Traversal • URI and Number based call routing • Interworking for protocols • Secure calls with TLS and SRTP • Supports Clustering • Redundancy for registration and call control • Scale based on per server / per cluster capacities • Use cases • Remote users • Mobile users • Business to business calling
  • 38. Collaboration Enterprise Edge Architecture Gateways Benefits • ISR gateways for PSTN connectivity • Cisco TelePresence gateways for Video • Prefix based dialing to differentiate voice and video calls • SIP trunking through service provider using CUBE • Use cases • PSTN or ISDN connectivity • Service provider trunk services
  • 39. Collaboration Enterprise Edge Architecture Considerations • There is no single box solution • IM may not possible when using VCS-e or CUBE deployments • No call preservation possible • VPN solution does not optimize media between the endpoints • Jabber soft clients cannot dial URI (fix coming in upcoming release, Movi and Jabber for ipad can dial URI) • Immersive endpoints can use VCS-CVCS-E for B2B calling • No automatic detection for voice calls and Video so they can be serviced by respective gateways, Today number based calls can be routed to PSTN gateways and URI based calls to VCS Expressway
  • 40. Key Takeaways • Multiple architectures supported for both CUCM and VCS centric customers • Endpoint registration supported on CUCM and VCS • Ad-hoc resources should be fronted by Conductor for both CUCM & VCS deployments for redundancy and resiliency • To ensure availability, scheduled conferences should have dedicated MCU/TS resources • Expressway for remote and B2B video over the internet (VPN-less). • VPN for existing voice-centric applications
  • 41. © 2011 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 42Cisco ConfidentialCisco Connect 42© 2012 Cisco and/or its affiliates. All rights reserved. Q&A
  • 42. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 43© 2011 Cisco and/or its affiliates. All rights reserved. Cisco Connect 4343© 2012 Cisco and/or its affiliates. All rights reserved. Backup Slides
  • 43. Complete Your Paper “Session Evaluation” Give us your feedback and you could win 1 of 2 fabulous prizes in a random draw. Complete and return your paper evaluation form to the room attendant as you leave this session. Winners will be announced today. You must be present to win! ..visit them at BOOTH# 100
  • 44. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 49 Thank you.