Re: [Last-Call] Re: Last Call: <draft-ietf-httpbis-cache-groups-03.txt> (HTTP Cache Groups) to Proposed Standard

On Thu, Feb 27, 2025, at 06:05, Roy T. Fielding wrote:
> While doing a header field review I ran across the below requirements in
> sections 2 (Cache Groups) and 3 (Cache-Group-Invalidation).
>    Implementations MUST support at least 128 groups in a field value,
>    with up to at least 128 characters in each member.  Note that generic
>    limitations on HTTP field lengths may constrain the size of this
>    field value in practice.
> Why would we want to require implementations to support that many?
> What is the protocol interoperability problem that this is trying to solve?

You make a compelling case for some reduction here.  It seems like this would work with a much lower limit, such as the 24x64 you suggest.  Even that is nearly 2kB.

Received on Thursday, 27 February 2025 00:29:30 UTC