An introductory view of Plexxi's second generation of switching hardware. The Switch 2 marries SDN, photonic switching, and DevOps together to create a data center networking solution ideal for delivering diverse application workloads. For more information, see http://www.plexxi.com/

1. 1
Plexxi Switch 2
Photonic and Packet Switching at Data Center Scale
October 2013
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013

2. PLEXXI
SWITCH
THE PLEXXI SWITCH FABRIC
SDN-based Switching Infrastructure
Plexxi Switch: Packet/Photonic Fabric
• Scalable L1/L2/L3 Ethernet/IP
architecture
• Scalable Plexxi fabric solution
• Flat, scale-out optical architecture
• Controller-based with rich APIs
• Integration-driven, Application-oriented
‒ Dense 10/40G Access Switching
‒ Expanded Photonic Fabric
• Fabric Scale and Diversity
‒ Multi-ring interconnect topologies
• Flexible Transport
‒ Optical pseudowire capabilities
‒ Non-Ethernet transport and L1 mirroring
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
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3. THE
SOLUTION
AFFINITY
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
CONTROL
3
SWITCH
CONNECT

4. PLEXXI ARCHITECTURE
WORKFLOW CONNECTORS
WORKLOAD CONNECTORS
Affinity
Model
PLEXXI
CONTROL
Network
Topography
Algorithmic Fitting Engine
Analytics
Application Analytics
Network Analytics
Affinity
Plexxi WebGUI
API
PLEXXI
INTERFACE
Plexxi Shell
Topology
PLEXXI
SWITCH FABRIC
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
Service Assurance
Storage Clusters
Data Services Engine
Plexxi Switch 2
4

5. PLEXXI HARDWARE PORTFOLIO
Switch 1x
•
10GbE Density – 2:1 o/s – 1RU
Switch 2s
•
Plexxi Switch
Scale-Out
Optical Fabric
10GbE/40GbE Density – 3:1 o/s – 2RU
Switch 2
•
Multi-Dimensional Rings – 1:1 o/s – 2RU
Switch 2sp
•
Switch 2p
Plexxi PSI
Pod Switch
Interconnect
•
Multi-dimensional Interconnect – 1:1 o/s – 2RU
PSI Chassis
•
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
10GbE/40GbE Density – 3:1 o/s – 2RU
5
Optical Spine – Passive Interconnect – 1RU

6. PLEXXI SWITCH 1X
1RU Top-of-Rack or Core Ring Deployments
• Dense 10GbE Access at 2:1 oversubscription
2x LightRail™
• 48x10GbE Access Ports in 1 RU
‒ 4x QSFP+ (4x40GbE or 16x 10/1GbE)
‒ 32x SFP+ 10/1GbE
• 2x LightRail Interfaces, each carrying 12x10GbE
‒ 10km WDM Optics
‒ 240Gbps FDx uplink capacity
• CPU complex: Quad Core i5/8 GB DRAM
• Reversible fans and power supplies
‒ Flexible Support for Hot Aisle/Cold Aisle deployments
1 RU Chassis
Max/Typical Power Draw: 250 W/ 120 W
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
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7. PLEXXI SWITCH 2S
Dense 10GbE Edge Switch
• Dense 10GbE Access at 3:1 oversubscription
2x LightRail™
• 72x10GbE Access Ports in 2 RU
‒ 16x QSFP+ (16x40GbE or 64x 10/1GbE)
‒ 8x SFP+ 10/1GbE
• FlexxPorts*: 4x SFP+
• 2x LightRail Interfaces, each carrying 12x10GbE
‒ 10km WDM Optics
‒ 240Gbps FDx uplink capacity
• CPU complex: Quad Core i5/16 GB DRAM
• Reversible fans and power supplies
‒ Flexible Support for Hot Aisle/Cold Aisle deployments
* FlexxPorts: allow direct-connect to the LightRail Fabric for fabric extension or non-Ethernet transport
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
7
2 RU Chassis
Max/Typical Power Draw: 400W/250W

8. PLEXXI SWITCH 2
Multi-Dimensional Interconnect Switch
• Expanded L1 CrossPoint, 1:1 oversubscription
4x LightRail™
• 48x10GbE Access Ports in 2RU
‒ 12x QSFP+ (12x 40GbE or 48x 10/1GbE)
• FlexxPorts*: 4x QSFP+ and 12x SFP+
• 4x LightRail Interfaces
‒ 10 km single-mode WDM optics (480Gbps FDx Uplink)
• CPU complex: Quad Core i5/16 GB DRAM
• Enables multi-degree ring interconnect
• Doubles photonic fabric capacity
• Increase cross-sectional bandwidth and
add low-latency or dedicated capacity
2 RU Chassis
Max/Typical Power Draw: 500W/400W
* FlexxPorts: allow direct-connect to the LightRail Fabric
for fabric extension or non-Ethernet transport
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
8

9. PLEXXI SWITCH SCALING
SWITCH 1x / 2 / 2s
SWITCH FABRIC
SWITCH FABRIC &
OPTICAL
CAPACITY
OPTICAL FABRIC
• L2/L3 Fabric Capacity: 2.56 Tbps
• > 3.2Tbps Optical Cross-Connect
• Max Usable Capacity: 1.92Tbs
• Switch 2:
• Packet Lookup rate: Wire-speed
• 4x LightRail™ (480Gbps capacity)
• Switch 2s:
• 2x LightRail™ (240Gbps capacity)
LAYER 2 SCALING
• MAC Addresses: 288K
L2 PROTOCOL SUPPORT
L3 PROTOCOL SUPPORT
• IPv4 Static Routes
• LACP
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
• IPv4 Prefixes: 16K
• IGMPv2 Snooping
L2/L3 SUPPORT
LAYER 3 SCALING
• OSPFv2, BGP, PIMv2
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10. EXTENDING THE PLEXXI FABRIC
Common LightRail™ Interconnect
Extended 10GbE access port density
Switch 1x
•
•
Switch 2s coexists in existing Switch 1x ring
Common LightRail™ optical fabric and
capabilities
Optical Pass-through and Spatial Reuse
•
Switch 2s
•
Fabric links not terminated locally pass
passively through each switch
Pass-through links unaffected by loss of
power or forwarding in a switch
Optical Resiliency
•
Switch 2
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
10
•
Automatic optical quality and fabric link
monitoring
Fast local repair, even when disconnected
from Plexxi Control

11. PLEXXI
SWITCH
PLEXXI SWITCH 2: ARCHITECTURE
FlexxPorts: New Optical Transport Capabilities
LightRail™ WDM Fabric Interconnect Ports
Optical/Electronic
CrossPoint
Plexxi Switch 2
•
•
•
•
•
L1 switching via Photonic Crosspoint
L2/L3 lookup via Packet Fabric ASIC
FlexxPorts directly connected to
CrossPoint
FlexxPorts not limited to Ethernet
framing or bitrates
L1 Mirroring via CrossPoint to one or
more FlexxPorts
CoController
Packet Switching ASIC
FlexxPorts
(1/10/40GbE)
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
11
1/10/40GbE Access Ports
(QSFP and SFP+)

12. INCREASED BANDWIDTH AND RESILIENCY
Multi-Dimensional Photonic Fabric
Support for Intersecting LightRail™
Photonic Interconnects
Switch 2
Concentric Ring
Interconnect
‒ Increased cross-sectional bandwidth
‒ Increased optical paths for bandwidth and
latency engineering
Increased resiliency
‒ Redundant control plane paths
‒ Additional optical paths for redundancy
and fast local repair
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
12

13. THE PLEXXI-SCALE DATA CENTER
• Multi-Dimensional Optical Fabric
‒ Interconnect multiple rings via Switch 2
‒ Increase cross-ring bandwidth with additional ring
cross-connects
• Optimize Bandwidth and Latency
‒ Global path optimization via Plexxi Control
- Unequal-cost multipath forwarding
- Wider traffic distribution than typical SPF-based
forwarding algorithms
- Less internal fabric congestion / lower jitter
‒ L1 path engineering via LightRail™ Optical Fabric
- maximize bandwidth and/or minimize latency
• Single Point of Control and Integration
‒ Centralized interface and API via Plexxi Control
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
13

14. SUMMARY
Plexxi Switch 2
SCALE
RESILIENCY
New Hardware:
Dense 10G Edge
Plexxi Switch 2s
New Hardware:
Multi-Dimensions
Plexxi Switch 2
No Compromise:
All the Plexxiness
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013
AFFINITY
14
CONTROL
FLEXIBILITY
72x 10G or 16x 40G Ports
3:1 O/S
48x 10G or 12x 40G Ports
4x LightRail™ Fabric Interfaces
1:1 O/S
SWITCH
CONNECT

15. 15
THANK YOU
© 2013 Plexxi, Inc. | Proprietary & Confidential | 11/3/2013