Two choices for switching semantics
Thursday, February 04, 2010
1:43 PM
Two choices for the design of the service switch
One session per server: the client-server binding persists over one "session". 
Distributed sessions: requests go to whatever server is least busy, regardless of which server first responded to the client. 
"One session per server" is called "stickiness". 
Hulu is sticky: it sometimes runs out of servers. 