1. Hosted by Gain Maximum WAN and LAN Performance Michael Hoch Research Director Aberdeen Group

2. Hosted by Agenda Pressing Priorities of IT Ramping up the LAN Optimizing the WAN Conclusions and Recommendations

3. Hosted by Since 1988, Aberdeen Group’s research initiatives and positioning services address technology selection, evaluation, and justification needs of enterprise technology buyers and supplier organizations. Aberdeen Group Established Technologies Emerging Technologies

4. Hosted by Pressing Priorities of IT

5. Hosted by CEO: Improve Productivity

6. Hosted by CFO: Do More with Less Source: Aberdeen Group, Sept 2003

7. Hosted by IT: Centralize Applications

8. Hosted by IT: Leverage the Internet Zone 1Zone 2Zone 3

9. Hosted by Multinational Advertising Firm Ad creation involves 200 employees in 8 regional offices Contention with VoIP, Web, and “unknown” Q: How to prioritize business applications? Nationwide Law Firm 800 employees in 5 US cities w/ varying bandwidth and costs Time-sensitive applications centrally hosted Q: How to ensure real-time access to centralized apps for everyone? Users: “Why Is My App So SLOW?”

10. Hosted by Fortune 500 Financial Services Firm Roll out Voice over IP to 30,000-plus employees worldwide Optimize mixed traffic over multiple links Q: How to efficiently balance traffic across WAN and LAN? Users: “Why Is My App So SLOW?” (Continued)

11. Hosted by Applications and Platforms in the Mix

12. Hosted by Advanced Applications Tax Bandwidth… Bandwidth Required

13. Hosted by Interactivity …and Require Interactivity

14. Hosted by Ramping Up the LAN

15. Hosted by Server Scalability Data Center Complexity Traffic Management Security Processing Demands LAN Implications of IT Priorities

16. Hosted by Move to “real-time” enterprise network Decrease capital expense Lower ongoing operation costs Simplify trouble shooting Fast deployment of new services Goals of LAN Optimization

17. Hosted by Locating the LAN Bottlenecks

18. Hosted by Build a new data center/increase bandwidth Too expensive, time consuming, and absolutely not necessary Deploy an eCDN Purchase, install, and own a delivery network Performance benefits of caching Standard offerings do not impact dynamic applications Engage a service provider Offload application hosting and delivery Entire, partial, component options available Best for high volumes, wide distances or unpredictable access rates Existing Alternatives

19. Hosted by Emerging LAN Options Font-ending Server Processes Object and page caching (static and dynamic) Application component caching Server-offload appliances Security Processing Latency Firewall aggregation platforms Specialized security appliances Security aggregation solutions Traffic Capacity Bottlenecks Static and dynamic caching TCP connection management Integrated networking appliances

20. Hosted by Proliferation of Network Elements WAN or Internet

21. Hosted by Security is Not Less Complex WAN or Internet

22. Hosted by Consolidation of Network Elements

23. Hosted by Situation Major Enterprise Software Manufacturer with Web-based PeopleSoft CRM Problem Connection and security latency caused transactions to time-out Solution Consolidated load balancers, caching, and connection management Dynamic content caching in front of PeopleSoft application servers Average response time less than 1 second Investment of $50,000 made $5 million application useable Illustration: Move to Web-based CRM

24. Hosted by Optimizing the WAN

25. Hosted by Bandwidth capacity problems Application contention Little visibility into real WAN usage Poor user performance WAN Implications of IT Priorities

26. Hosted by Locating the WAN Bottlenecks

27. Hosted by Increase WAN Capacity Thresholds Accelerate Remote User Performance Simplify LAN-to-WAN/DMZ Improve Access via Internet WAN Optimization Goals

28. Hosted by Network Deployment – Caching Caching

29. Hosted by Network Deployment – Compression Compression

30. Hosted by Network Deployment – Shaping Traffic Shaping

31. Hosted by Network Deployment – Route Control Route Control

32. Hosted by What to Distribute: Static and on-demand content accessed by many users Streaming content (via multicast) Application components How to Distribute: Internal CDNs Content delivery network (CDN) service  Offload application traffic to external network  Increase performance without additional infrastructure  Convert capital investment to monthly expense Distributing Application Components

33. Hosted by Situation Regional bank w/23 branches using AS400 teller app and Citrix OWA in Exchange Problem WAN traffic taxed T1 links Teller app and OWA slower than Exchange Solution Caching & WAN capacity management 20-50ms response time for tellers Completely avoided costly WAN upgrades Illustration: Banking App & E-mail

34. Hosted by Situation International financial services firm Trading applications, email, and credit card clearing central Voice over IP over same network Problem WAN stretched to capacity VoIP quality hurt by other traffic Solution WAN capacity management and traffic shaping All traffic optimized, with some application prioritized VoIP to all of Latin America, rolling to Europe Illustration: Financial Services and VoIP

35. Hosted by Case Study: Lastminute.com Zone 1Zone 2Zone 3 Branches and Partners External Customers eCDN ADN

36. Hosted by Conclusions and Recommendations

37. Hosted by Assess own needs BEFORE going out for solutions Look at bandwidth/servers LAST Talk to your friends and peers Test before you buy Focus on getting results quickly Look for centralized management Conclusions and Recommendations

38. Hosted by Free Reports at Aberdeen.com Buyer’s Guide to Managed Delivery Buyer’s Guide to Multifunction Networking and Security Solutions Free Webinars at Aberdeen.com WAN Optimization Network and Application Performance Advantages of Compression on the WAN Server-side Optimization Strategies (forthcoming) Other Resources

39. Hosted by Q & A Michael Hoch Research Director, Aberdeen Group Phone: 617-854-5245 Email: michael.hoch@aberdeen.com