Looks like chatgpt is hallucinating again. -joakim
On Tue, Sep 5, 2023, 5:47 PM Shawn Heisey via jetty-users < jetty-users@eclipse.org> wrote: > On 9/5/23 02:40, Simone Bordet wrote: > > Do you have pointers? > > > > The RFC is quite clear that HPACK is mandatory for HTTP/2: > > > https://www.rfc-editor.org/rfc/rfc9113.html#name-field-section-compression-a > > I asked chatgpt. This is the full response: > > --- > HTTP/2 does not strictly require HPACK support, but HPACK is a critical > component of the HTTP/2 protocol for efficient header compression. HPACK > is used to reduce the overhead of sending headers in each HTTP/2 request > and response, which helps improve the performance of the protocol. > > In the context you mentioned, the HTTP client library (Jetty HTTP > client) likely relies on HPACK for header compression when making HTTP/2 > requests. If the HTTP client library is missing the http2-hpack JAR or > is not properly configured to use HPACK, it can lead to issues like > timeouts and inefficient header handling. > > So, while HTTP/2 technically can be operated without HPACK, it's highly > recommended to have HPACK support for proper functioning and optimal > performance. Without HPACK, the benefits of header compression provided > by HTTP/2 would be lost, which could result in suboptimal performance > and potentially even issues like the timeouts you described. > --- > > I am aware that chatgpt is not perfect. I've used it to give me code > writing pointers, and I usually find that its code suggestions only > serve to give me ideas, they aren't often usable as-is. But so far it > seems to be pretty good at covering facts established before 2021. I > think details like this about RFCs fall into that category. But you are > likely a far better expert than chatgpt on this topic. > > What exactly are you seeing in the RFC that says it's required? I > believe you, but I am apparently blind, because I can't see it. > > Thanks, > Shawn > > _______________________________________________ > jetty-users mailing list > jetty-users@eclipse.org > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/jetty-users >
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