Tuesday, March 3, 2020

The Myth of Lossless vMotion

As a response to my Live vMotion into VMware-on-AWS Cloud blog post Nico Vilbert pointed me to his blog post explaining the details of cross-Atlantic vMotion into AWS.

Today I will not go into yet another rant pointing out all the things that can go wrong, but focus on a minor detail: “no ping was dropped in the process.

The vMotion is instantaneous and lossless myth has been propagated since the early days of vMotion when sysadmins proudly demonstrated what seemed to be pure magic to amazed audiences… including the now-traditional terminal window running ping and not losing a single packet.

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Thanks to Ivan Pepelnjak (see source)

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