Re: [quicwg/base-drafts] Length-prefixes and flow control (#1432)

[Martin Thomson <[e-mail]>]

This isn't a question of a particular construct; I'm more concerned about what advice we might give generally.  Ryan's advice is only really part of that (though it's pretty solid and pragmatic advice).

There are probably other things to say about what a sender might do that help.  For instance, if you think that something might be parsed as a single unit, then it's probably not a good idea to only send part of it.  Waiting until flow control credit is available - while it might risk a stall in the event that credits never arrive - might be a good idea.

It's also probably necessary to say something about inter-stream dependencies along the lines of: "If you have a dependency between the content of two streams, then you need to ensure that the dependent information is not sent until the information it depends on can be sent.  In particular, the necessary flow control credit needs to have been consumed."

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