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Release It! by Michael T. Nygard

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Multihomed Servers

Multihoming is the most striking difference between a machine in development or QA environments and the data center. Nearly every server in a data center will be multihomed. A server with more than one IP address is a multihomed server; it exists on several networks simultaneously. This architecture improves security by separating administration and monitoring onto its own highly secured network. It improves performance by segmenting high-volume traffic, such as backups, away from the production traffic. I’m sure you’ve experienced a network slowdown due to system backups. Backups can saturate any network, since they always run at full throttle. If you make a faster network, it just means the backups finish faster (up to a ...

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