Re: [quicwg/base-drafts] Use a "stream" for transmitting CIDs (#1826)

[Kazuho Oku <[e-mail]>]

@marten-seemann @mikkelfj The proposed encoding of "CID stream" is exactly the same as that of the "CRYPTO stream". Why cannot you reuse that the same way you would reuse an actual QUIC stream?

>> Not carrying NEW_CID and RETIRE_CID as a "message" on top of "streams" also means that you would have a retransmission logic specific to those frames.
> 
> Why is that? They'd just be normal retransmittable frames, wouldn't they?

IIUC, there are two ways to send states. One is to retransmit frames. The other is to transmit the current state when necessary. For stacks that implement the latter approach, NEW_CID and RETIRE_CID will be a special-purpose logic. I am not saying that it is hard. But "retransmission of frames" is not all the stacks have as a concept.

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