Office 365 deployment
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Ready to deploy Office 365? If you think it’s going to be easy enough, you may want to think again. Microsoft Office 365 was designed to be accessed directly via the internet, and most companies simply don’t have the appropriate network setup. It’s no surprise, then, that deploying Office 365 without proper guidance can delay deployments and cause a terrible user experience
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Office 365 deployment
- 1. ©2017 Zscaler, Inc. All rights reserved. ZSCALER CONFIDENTIAL INFORMATION How Zscaler enables simpler Office 365 deployment and a fast user experience WEBCASTS Naresh Kumar - Principal Product Manager
- 2. ©2017 Zscaler, Inc. All rights reserved. | ZSCALER CONFIDENTIAL INFORMATION1 Enterprise Customers 2,800 CUSTOMERS Over 200 of the Fortune Global 2000 Global Partners 100 Data centers 45B Daily requests 185 Countries served Cloud Scale Conglomerates 3 of the top 3 Oil and gas operations 3 of the top 4 Beverage 5 of the top 7 Apparel and accessories 2 of the top 4 Specialized chemicals 2 of the top 3 Food retail 6 of the top 12 The Pioneer in Cloud Security
- 3. The staggering growth of Office 365 700+ Office 365 customers 6.4 PB Office 365 traffic processed per month and growing 700% traffic growth in the last 3 years!!
- 4. Office 365 Deployments are challenging A deployment survey of over 200 customers had problems accessing business-critical applications including Office 365. 45% 69%Weekly issues reported Many continued to experience bandwidth issues, impacting business operations and productivity Many were plagued by network latency issues on a daily and weekly basis 30%Daily issues reported 70%Weekly issues reported 33%Daily issues reported Despite appliance upgrades After Deployment
- 5. 4 Microsoft’s Guidance for Office 365 is Direct Internet Tech Community Blog: bit.ly/Zscaler_O365 • Differentiate Office 365 Traffic • Egress Office 365 close to user with matching DNS resolution • Avoid Network Hairpins and optimize direct connectivity • Assess bypassing proxies and other inspection devices
- 6. 5 Cloud apps need low latency connections Legacy Hub and Spoke is the WRONG approach Cloud apps like Skype and Sharepoint are designed for low latency direct access Hub and Spoke and VPN requirements add unnecessary latency The user experience for Office 365 is compromised MPLS backhauling adds extra cost to deployment DC Apps HQ/IOT San FranciscoNew York Paris London Avoid network hairpins Microsoft recommends against using a Hub and Spoke network with Office 365 Hub-and-Spoke Network
- 7. 6 Legacy Hub and Spoke is the WRONG approach Increased connect load on Firewalls and Proxies Outlook connections per user Office 365 creates a excessive long-lived connections that exhaust firewalls Outlook creates 12-20 connections per user! Office 365 requires all ports and protocols, not just Web (80/443) The impact on user experience? Random hangs and connection issues Assess bypassing Proxies
- 8. 7 Not recommended and requires Microsoft review and approval Express route is very complex to configure correctly Office 365 traffic growth will outpace gateway upgrades and budgets “Microsoft has a review policy… ensure that all parties are aware of the 2-6 months of planning, extra complexity…” ExpressRoute for Office not Recommended Adds complexity and extra planning DC Apps HQ/IOT San FranciscoNew York Paris London Hub and Spoke with ExpressRoute Avoid network hairpins
- 9. 8 Direct Internet connection with appliances Requires constant firewall updates – missing an IP/URL update can break connectivity Sacrifices security in branches with only UTMs or firewalls ensure local DNS Office 365 overwhelms appliances, despite upgrades Appliance Sprawl Assess bypassing Proxies DC Apps HQ/IOTNew York Paris London Complex, costly, and still under capacity San Francisco
- 10. 9 HQMOBILE BRANCHIOT Data Loss Prevention Cloud Apps (CASB) File Type Controls Data Protection Cloud Firewall URL Filtering Bandwidth Control DNS Filtering Access Control Adv. Protection Cloud Sandbox Anti-Virus DNS Security Threat Prevention Zscaler Open Internet Differentiate O365 traffic Egress O365 close to user Direct Internet for a fast user experience across all ports and protocols Easily deployed. No hardware needed! One Click configuration automates O365 IP address changes and exempts from SSL inspection Optimize connectivity with Zscaler Cloud Firewall and Bandwidth Control A full security stack for the rest of your direct internet connection For your Open Internet traffic Office 365 For your Office 365 Traffic Fully compliant with Microsoft’s connection recommendations Zscaler for Office 365 and Direct Internet Differentiate O365 traffic Egress O365 close to user
- 11. 10 Minimize Office 365 latency with Local DNS Guarantee a fast, local connection regardless of location Zscaler Local DNS Architecture San Jose User > San Jose DNS > San Jose O365 Shortest path, fewer hops = faster user experience Latency: 12ms Common Centralized DNS Architecture San Jose user > LA > Denver > Austin > Atlanta O365 Lots of hops increases: slower user experience Latency: 52ms Los Angeles RTT=22 ms Austin RTT=48 ms Atlanta RTT=52 ms Denver RTT=36 ms San Jose RTT=12 ms Local DNS Centralized DNS O365 Connection O365 Connection Egress O365 close to user Avoid network hairpins
- 12. 11 Zscaler peers with Office 365 in major DCs 11©2017 Zscaler, Inc. All rights reserved Denver Toronto New York Paris London Amsterdam Brussels Stockholm Moscow Mumbai Singapore SydneyCape Town Madrid Riyadh Johannesburg San Francisco Atlanta Dallas Frankfurt Sao Paulo Lagos Kuala Lumpur Tel Aviv Washington DC Chicago Los Angeles Copenhagen Melbourne Milan Hong Kong Taipei Zurich Chennai Tianjin Tokyo Doha Dubai Abu Dhabi Miami Jeddah Al Khobar Warsaw Seattle Oslo Shanghai 45B+ Requests processed/day 100M+ Threats blocked/day 120K+ Unique security updates/day 100 data centers across 6 continents Secure Ongoing third- party testing CertifiedReliable Redundancy within and failover across DCs Transparent Trust portal for service availability monitoring Egress O365 close to user Avoid network hairpins Internet Peering across 150 Vendors O365 Peering Data Center Deliver a fast connection regardless of location!
- 13. Zscaler One Click Configuration Simplify day to day Office 365 administration Easily maintains updates without day to day Office 365 administration Traditional approach requires constant firewall updates to maintain connectivity HQ BRANCH Local Network Egress Unhindered Access BRANCH Differentiate O365 traffic Updates Office 365 connection details multiple times a week Automatically configures white list Exempts Office 365 traffic from authentication and SSL decryption, as recommended by Microsoft. Fingerprints all Office 365 applications No more keeping up with URL and IP changes in the Office 365 applications. .XML update list One Click Configuration
- 14. Zscaler Bandwidth Control Prioritize Office 365 traffic as Business Critical Always guarantee Office 365 40% of bandwidth Cap YouTube traffic at 20% Policies are defined in a single console and immediately enforced globally Policies are enforced in the cloud, before the last mile bottleneck Window shaping and bandwidth throttling deliver a smooth user experience How Zscaler Bandwidth Control Works Local Network Egress Unhindered Access Differentiate O365 traffic
- 15. Optimized Zscaler TCP Scaling for faster file downloads 3MB file download from a SharePoint public site hosted at Iowa instance Without Zscaler With Zscaler Slower scaling, does not scale beyond 3MB Scaling starts after 50% of transaction has completed Starts at default 256 Byte value Pre-negotiated 64KB connection Scales faster, window scale > 4MB Local Network Egress Unhindered Access Differentiate O365 traffic
- 16. Fully Embrace Direct Internet with Zscaler Cloud Firewall Office 365 (All ports and protocols) Port: 443 Protocol: HTTPS User: Jen APP: Outlook Online Location: All APP: Outlook Online Port: 3478, 3479, 3480, 3481 Protocol: UDP User: Chris APP: Skype for Business Online Location: All APP: Skype for Business Online Port: Any Protocol: UDP User: Steve Location: All APP: BitTorrent Internet Branch User Checking Email HQ User Sharing Desktop Mobile User Downloading Movies APP: BitTorrent Easily scale NGFW control across all locations without the appliance cost and complexity. Application visibility and control • Adv. DPI engine - stateful packet inspection • ID Apps regardless of port, protocol, or evasion • Intrusion Prevention w/ protocol anomaly and signature-based detection. User identity awareness ID Users & Groups regardless of IP address Unified Policy and Visibility Single console for policy management and real-time log visibility Zscaler Cloud Firewall Direct Internet Traffic Unlimited SSL inspection capacity • Inspect ALL your Internet traffic • One-Click config excludes O365 traffic
- 17. Low Office 365 traffic in NY despite one of the largest offices – user issues? Easily identify the top Office 365 users OneDrive traffic is low – is Box still being used? Real-time traffic volume trending Get Unprecedented Office 365 Visibility with Zscaler How well is Office 365 being adopted by your users?
- 18. • Causing WAN congestion • Sessions were overwhelming firewalls • Deploying UTMs or NGFWs was prohibitively expensive and complex (650 locations) CHALLENGES • Local Internet breakouts for a fast connection • Cloud Firewall – elastic scale to handle the increase number of connections • Bandwidth Control for Office 365 prioritization SOLUTION 17B monthly transactions 700+ successful customer deployments and growing 2.8PB of traffic processed monthly Office 365 is finally the highest use – not YouTube 40% of bandwidth reserved for O365 during periods of contention YouTube capped at 20% WAN transformation: Fast Office 365 experience Global workforce staffing company case study
- 19. Zscaler for Office 365 ✔ 1. Fully Compliant Microsoft Connection Method (700+ customers) 2. Best possible user experience (fast response times) 3. Rapid deployment (no upgrades, configuration changes) 4. Investment protection and cost avoidance (no hardware or backhaul) 5. Visibility into all Internet traffic within seconds (single console) Zscaler for Office 365: Five Reasons Why
- 20. CxOs CIOs, CTOs and CISOs Architects and Engineers Security, Network, Cloud & Enterprise Operations Security & Networking Who should Attend Scott Guthrie, EVP / Satya Nadella, CEO Chris Drumgoole, CTO General Electric Frederik Janssen Global Head, IT Infrastructure Pat Gelsinger, CEO / Michael Dell, CEO DELL June 25 – 27, 2018 The Cosmopolitan, Las Vegas Register at zenithlive.zscaler.com Where CIOs, CTOs, CISOs, and networking/security experts exchange cloud transformation experiences with thought leaders of leading global companies
- 21. Zscaler for Office 365 Solution Brief zscaler.com/O365 The 4 Pitfalls of Deploying Office 365 zscaler.com/pitfalls Learn more about Office 365 Solving the Secure SD-WAN Paradox Accelerate the Migration to Microsoft Azure with Zscaler Private Access Thank You! Questions and Next Steps Naresh Kumar Principal Product Manager nkumar@zscaler.com Other Webcasts zscaler.com > resources > webcasts and live demos Tuesday, June 5th, 2018 Americas - 10:00 am PST
Hinweis der Redaktion
- https://msdn.microsoft.com/en-us/library/mt450488.aspx Although ExpressRoute is being used by Microsoft IT, ExpressRoute is not required or recommended for Office 365 customers except in a small number of situations. These situations include a) regulatory requirements that would mandate a direct network connection or b) following a required customer network assessment for Skype for Business voice and video when network deficiencies are discovered that ExpressRoute can address. In the situations where ExpressRoute for Office 365 is implemented, Microsoft should be directly involved to ensure a successful implementation.
- TCP Window scaling allows large files to be downloaded faster and efficiently Large TCP Window size per connection to O365 with flexible receive buffer for faster downloads
- App identification with DPI & Heuristics
- Kelly services, a long time customer of Zscaler, was looking to deploy Office 365. As they went into pilot mode, their users were complaining and realized that Office 365 creates a high number of long-lived connections that increases network utilization and can overwhelm firewalls. And traffic and congestion was increasing on the MPLS network — which was driving MPLS costs higher. They evaluated deploying NGFWs at all the branches to route traffic locally, but it was too expensive. They decided to leverage the Zscaler Cloud Firewall and bandwidth control to route traffic locally and ensure Office 365 traffic was prioritized over YouTube during periods of congestion. To date, we’ve helped over 700 customers successfully deploy Office 365, and we’re processing 17B requests monthly and about 1.2PB of traffic.