[Linux-cluster] Communication between LVS nodes

[David Goldsmith]

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Assume I have an LVS cluster setup with two LVS routers and 4 LVS member
nodes.  Two of the nodes provide load balanced web servers.  Two of the
nodes provide load-balanced proxy servers.

External customers connecting to the site can be passed to either of the
two web server nodes.

Internal folks doing Internet browsing can be passed to either of the
two proxy server nodes (assuming their web browser is configured to use
the proxy).

Can the web servers in the LVS cluster use the LVS interface to the
proxy servers rather than communicating directly to one of the two proxy
server nodes?

If not, and the web server nodes are configured to connect to one
specific proxy node, that would seem to create a possible failure point.

Thanks
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David Goldsmith
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