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HTTP Header insertion

could someone give me a good example why would an ace module include an http header to the request to provide persistence? why add extra payload to a packet, what benefit do we get?

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Cisco Employee

Re: HTTP Header insertion

If you meant stickyness instead of persistence, the reason is that the info that is passed is a cookie.

A cookie is useful because each client receiving a cookie will save it and reuse it each time it connects to the same website.

So, this guarantees the ACE module that looking at the cookie we can recognize the client and select the appropriate server.

If you prefer to use another method for sitckyness like sticky srcip, the problem is the mega proxies - tons of client sitting behind 1 device that makes all the requests.

Gilles.

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