Is there a binary delta format being used, or planned, for delta transmission of cached documents? What I mean is that if I have a cached entity with etag "abcdefg", and I request it with If-None-Match, then maybe a server or cache could send me the delta between what I have and the current entity - just to reduce bandwidth. If there's such a standard being proposed or even still being designed, it would probably be good to pick the same binary delta format. IETF Proposed Standards: RFC3229: Delta encoding in HTTP http://www.ietf.org/rfc/rfc3229.txt RFC3284: The VCDIFF Generic Differencing and Compression Data Format http://www.ietf.org/rfc/rfc3284.txt RFC3229 lists a few other possible formats, but vcdiff seems to be the consensus (among experts in the area) for the best choice. -JeffReceived on Wednesday, 28 April 2004 18:35:06 UTC
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