Coyote Point Systems Equalizer Spezifikationen PDF herunterladen (Seite 360)

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Configuring Server Connections

HTTP Multiplexing

HTTP multiplexing is the re-use of established server connections for multiple clients connections. The best way

to understand this feature is to compare non-multiplexing behavior to multiplexing behavior. When HTTP

multiplexing is disabled (the default on Equalizer), each client connection requires a new connection between

Equalizer and a server.

What this means is that the servers behind Equalizer have to allocate a significant amount of resources to

establishing and tearing down TCP connections -- resources that could otherwise be used by the applications

running on the servers.

When HTTP multiplexing is enabled, an established server connection is left open for a period of time to see if any

new client connections are load balanced to the same server. If so, this connection is used to forward the new

client request to the server.

This allows Equalizer to service multiple client requests without all the overhead associated with establishing a

new server connection for every request - and results in better performance on the client and server as well:

l the client does not have to wait for Equalizer to establish a server connection before sending the request to

a server

l the server does not have to incur the overhead of establishing a new connection with Equalizer

Enabling HTTP Multiplexing

On Equalizer, TCP multiplexing can be enabled for HTTP and HTTPS clusters only and is disabled by default. The

figure below describes the general process to follow when enabling TCP multiplexing for the first time.

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