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Data Center Fundamentals by Maurizio Portolani, Mauricio Arregoces - CCIE No. 3285

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Chapter 19. Persistence Mechanisms on Load Balancers

This chapter covers the following topics:

• The concept of session persistence as it relates to the HTTP, the Secure Socket Layer (SSL) protocol, and application protocols that open multiple Layer 4 ports

• The use of proxy servers for Internet access, what a mega-proxy is, and how it affects the design of server load balancing

• Load balancing in the presence of servers that share information about user sessions

• Persistence mechanisms provided by server load balancers: predictors and sticky methods such as source IP sticky, cookie sticky, URL cookie sticky, HTTP redirection sticky, and SSL sticky

• How to implement session persistence for web-based applications by using the sticky methods ...

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