I would say that 32-bits would be optimal, since that is the typical word-size of processors that need alignment. 2-bytes isn’t much better than 5-bytes in this regard. -- -Todd Short // [email protected]<mailto:[email protected]> // "One if by land, two if by sea, three if by the Internet."
On Nov 17, 2015, at 3:45 PM, Daniel Kahn Gillmor <[email protected]<mailto:[email protected]>> wrote: On Tue 2015-11-17 12:09:30 -0500, Eric Rescorla wrote: The concern here is backward compatibility with inspection middleboxes which expect the length field to be in a particular place. We agreed in Seattle to wait for early deployment experience before modifying the header to move the length. In particular, if we're going to make a change to the TLS record header, the change would be to remove the version and the type entirely, leaving only two octets of length on each record. Is a two-octet offset going to be problematic? --dkg
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