Proposal: a new WRAP UP capsule
David Schinazi <dschinazi.ietf@gmail.com> Fri, 05 July 2024 22:30 UTC
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From: David Schinazi <dschinazi.ietf@gmail.com>
Date: Fri, 05 Jul 2024 15:29:36 -0700
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Subject: Proposal: a new WRAP UP capsule
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Hi HTTP enthusiasts, Over in MASQUE land, as we're deploying our two-hop proxies, we decided we needed to put a cap on how many bytes we'd allow per token-authenticated connect-udp tunnel. Enforcing a hard limit is easy, but the issue is that if the proxy aborts the tunnel halfway through, the web browser could be halfway through a proxied request. Since the browser doesn't know if the half-finished request was acted on or not, it can't retry it, so it has to surface the error to the user. Instead, we want the proxy to be able to warn the browser that this will happen soon, so that the browser can establish a new tunnel with a new token, and start sending new requests there. Conceptually this is a little like GOAWAY, but instead of "please wrap up this connection", it's "please wrap up this tunnel stream". It uses capsules, since this is a message from proxy to client. Here's a draft with diagrams: https://datatracker.ietf.org/doc/draft-schinazi-httpbis-wrap-up/ https://davidschinazi.github.io/draft-schinazi-httpbis-wrap-up/draft-schinazi-httpbis-wrap-up.html I'd love to hear your thoughts. Thanks, David
- Proposal: a new WRAP UP capsule David Schinazi
- Re: Proposal: a new WRAP UP capsule Martin Thomson
- Re: Proposal: a new WRAP UP capsule Ben Schwartz
- Re: Proposal: a new WRAP UP capsule Valentin Gosu
- Re: Proposal: a new WRAP UP capsule Lucas Pardue
- Re: Proposal: a new WRAP UP capsule David Schinazi
- Re: Proposal: a new WRAP UP capsule Dustin Mitchell
- Re: Proposal: a new WRAP UP capsule Ben Schwartz
- Re: Proposal: a new WRAP UP capsule Lucas Pardue
- Re: Proposal: a new WRAP UP capsule David Schinazi
- Re: Proposal: a new WRAP UP capsule Tommy Pauly
- Re: Proposal: a new WRAP UP capsule David Schinazi