On Jun 3, 2009, at 9:37 PM, William Herrin wrote:

If you can afford it, stretch the LAN across the facilities via fiber
and rebuild the critical services as a load balanced active-active
cluster.

I would advise strongly against stretching a layer-2 topology across sites, if at all possible - far better to go for layer-3 separation, work with the app/database/sysadmin folks to avoid dependence on direct adjacencies, and gain the topological freedom of routing.

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Roland Dobbins <[email protected]> // <http://www.arbornetworks.com>

        Unfortunately, inefficiency scales really well.

                   -- Kevin Lawton


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