Re: [quicwg/base-drafts] Conflicting error codes (#4087)

[Jana Iyengar <[e-mail]>]

@huitema: this issue is merely changing the error code for an error that already exists. I read your comment as a question about testing this, but you could be asking about when this error code ought to be sent. 

My reading is that the sender is required to close the connection when it sends too many packets, and the receiver is required to close the connection when too many packets fail authentication, and I think the text is clear on precisely when both of these ought to happen.

A receiver is not required to, but could do what you're suggesting, and honestly, the precise value of "2^25 + 1" or "2^25" wouldn't matter IMO, since the receiver can only know a lower bound on the number of packets sent with the same key (since packet loss, etc). But if the receiver were to close with this error, doing it at the point that there is no ability for the sender to update the keys makes sense. The simplest thing to do would be to check if "2^25 + 1" packets have been received with the same key.

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