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Sunday, July 24, 2011

VPN-Oriented Data Center Services


IETF Reference - VDCS & ARMD

http://tools.ietf.org/html/draft-so-vdcs-00
http://tools.ietf.org/html/draft-so-armd-vdcs-ar-00


In case you were not aware, there is a very important draft working its way through the IETF: VPN-Oriented Data Center Services.

Grab a coffee of your choosing, then take a moment to read it. Its not too long. Then imagine for a moment that when the authors say "customers" they are not just referring to external customers, they are talking about internal customers as well. Internal customers such as individual lines-of-business in a larger corporation. Internal customers such as the network storage team.

In fact any arbitrary network "division" can be called a "customer." You could, for instance, make a guest internet segment complete with various services and extend this via L2 and L3 VPN between your major sites. You could consolidate servers or appliances at a specified site by extending this L2 or L3 VPN into some major datacenters.

Thus, "customers" could be somewhat misleading a term. It could be any network worth segregating, isolating, and extending via L2 or L3 VPN to other data centers.

Related to this draft is another: ARMD. Dealing with ARP as it pertains to massive deployments of virtual devices (VMs, appliances, etc).

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