Table of Contents
PPT Slide
Is Layer 4 Switching Meaningful?
Packet-by-Packet Traffic Management Insufficient
Session-Based Traffic Management Required
How L4-Aware Systems Work
Why is L4-switching important?
Emergence of L4-Aware Devices Session Management and Packet-Switched Devices
Integrating L4 Switching
Traffic Management Required for New Global Applications
Key Layer 4-based Applications
Local Server Load Balancing
Basic Configuration
Separate Real Server Groups
Multiple VIPs
Back-Up Servers
Load Balancing Algorithms
Session ID Substitution Client to Server
Session ID Substitution Server-to-Client
Global Server Load Balancing Issues
Distributed Content Sites Today
How L4 GSLB Works
Distributed Site State Protocol
Dynamic, Global Site Performance Knowledge
Global Server Load Balancing Advantages
Global Server Load Balancing Site Performance Awareness
Web Cache Deployment Options
Transparent Proxy Caching with Web Cache Redirection
High Availability Hot Stand By Set-Up
Link Failure Detection and Failover
DNS Redirection
Firewall Load Balancing
Beyond Layer 4
Conclusion
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