Mirja Kuehlewind <ietf@xxxxxxxxxxxxxx> wrote: >> On 23. Mar 2019, at 16:41, Michael Richardson <mcr+ietf@xxxxxxxxxxxx> >> wrote: >> >> >> Ted Hardie <ted.ietf@xxxxxxxxx> wrote: >>> The Wire Image of a Network Protocol (draft-iab-wire-image) >> >>> Both are products of the IAB’s Stack Evolution Program, which has >>> been considering the behavior of on-path network elements which >>> observe network flows, especially when these are encrypted. >> >> Thank you for this work. It is very interesting description. >> >> I would have liked to separate out the definition of the wire image a >> bit From the value judgement that having a smaller wire-image is a >> good thing. > I don’t think the doc says that the wire image needs necessarily to be > small. > This is in the draft: > “… the protocol's wire image should therefore be designed to explicitly > expose information to those network functions deemed important by the > designers in an obvious way. The wire image should expose as little > other information as possible.” > Which just says that you need to design the wire image carefully to > only expose things you really want to expose and not expose (or at > least minimise) anything else (wherever possible). > Where in the draft did you read that the wire image needs to be > small. If that is in there or could be misinterpreted that way, we > should fix that. I think that the sentence: The wire image should expose as little other information as possible. seems to suggest it to me, but I agree that in fact, it doesn't say that. I read the first sentence say that what is exposed should be intentionally exposed. -- ] Never tell me the odds! | ipv6 mesh networks [ ] Michael Richardson, Sandelman Software Works | network architect [ ] mcr@xxxxxxxxxxxx http://www.sandelman.ca/ | ruby on rails [ -- Michael Richardson <mcr+IETF@xxxxxxxxxxxx>, Sandelman Software Works -= IPv6 IoT consulting =-
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