Coyote Point Systems Equalizer Spezifikationen PDF herunterladen (Seite 579)

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backup Equalizer

The backup unit in a failover pair of Equalizers. The backup unit constantly monitors the health of the active

(primary) unit, and replaces the primary unit in the event that the primary becomes unavailable. See hot backup

and primary Equalizer.

bound

A character that represents the limit of part of a regular expression.

bracket expression

In a regular expression, a list of characters enclosed in brackets ([...] ).

branch

In an Equalizer regular expression, a complete piece of a regular expression. You can concatenate and/or match

branches. See atom, piece, and regular expression.

cache

An area in which information is temporarily stored.

client timeout

The time in seconds that Equalizer waits before closing an idle client connection.

cluster

A set of networked computer systems that work together as one system. See server cluster and virtual cluster.

cluster address

The IP address assigned to a particular cluster configured on Equalizer.

command transfer

In a failover configuration the subnet that is the subnet over which the configuration file transfers (between

preferred primary and preferred backup) can occur.

Community String

Any SNMP management console needs to send the correct community string along with all SNMP requests. If the

sent community string is not correct, Equalizer discards the request and will not respond.

computed load

A measure of the performance of a server relative to the overall performance of the cluster of which the server is

a part.

connection

A connection is a Layer 4 transmission path established between two endpoints. Clients open connections to

Equalizer cluster IPs, and Equalizer opens connections to the servers behind it. The notion of a connection is

supplied by the underlying protocol. There are connection-oriented protocols, like TCP and connectionless

protocols, such as UDP.

connection timeout (ms)

This is the failover timeout (in ms) for peer connections.

Data that a Web server stores on a client on behalf of a Web site. When a user returns to the Web site, the server

reads the cookie data on the client, providing the Web site all the saved information about the user.

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Equalizer Administration Guide

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