Response: IPspace.net – Redundant Data Center Internet Connectivity

Ivan Peplnjak posts an outstanding summary of the myriad networking challenges when designing a dual Data Centre . Complete with cynical commentary and live action diagrams, he explains the problem and some suggestions for the solution. Recommended for everyone!

We have a network with two data centers (connected with a DCI link). How could we ensure the applications in a data center stay reachable even if all local Internet links fail?

On the face of it, the problem seems trivial; after all, you already have the DCI link in place, so what’s the big deal … but we quickly figured out the problem is trickier than it seems.

IPspace.net – Video Session on  Redundant Data Center Internet Connectivity.