On 7 Mar 2011, at 21:33, Andrew Deason wrote:

I've published an I-D defining a couple of types to be used for time in
future RPCs ("RPC refresh", ubik, and the like):

<http://datatracker.ietf.org/doc/draft-deason-afs3-type-time/>

The 100 ns resolution and epoch I think is basically what's been
discussed before, but the handling of varying time resolution is new.

I'm happy with the 100ns resolution stuff - this is essentially what we discussed and reached consensus on in Edinburgh. Thanks for finally getting that published

However, I'm less sure about the time resolution variable. This means that we are in effect tripling the size of every time payload in AFS. I'd be interested in a far more detailed discussion of the pros and cons for including this variable. In particular, will this information really change sufficiently rapidly that it needs to be included with every single piece of time data? Does it give us benefits that specifying a per-service granularity using capability bits won't?

Cheers,

Simon.

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