On Sun, Feb 2, 2020 at 11:52 AM Daniel Migault <daniel.migault= 40ericsson....@dmarc.ietf.org> wrote:
> > On Sun, Feb 2, 2020 at 12:09 PM Eric Rescorla <e...@rtfm.com> wrote: > >> >> >> 1. TLS 1.3 takes the position that reuse is bad and that position >> is for good reasons, so we shouldn't undercut it in a new >> extension. >> >> > . Appendix C.4 discourages tickets re-use when Client tracking is a > concern. The section uses SHOULD and not MUST. So, in fact, TLS 1.3 takes > position this is not mandatory to renew tickets. > RFC 2119 is a bit stronger than that: implementations are not required to interoperate with parties that violate the "SHOULD" (that is reserved for requirements designated with "MAY"). thanks, Rob
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