The use of the SIPS URI Scheme in SIP draft-ietf-sip-sips-05 - PowerPoint PPT Presentation

Sep 02, 2023 •17 likes •77 views

The use of the SIPS URI Scheme in SIP draft-ietf-sip-sips-05 Franois Audet - audet@nortel.com draft-sip-sips-05 Status Since draft-ietf-sip-sips-02, 3 iterations of the working group document Almost went WGLC on draft-ietf-sip-

The use of the SIPS URI Scheme in SIP draft-ietf-sip-sips-05 François Audet - audet@nortel.com draft-sip-sips-05
Status • Since draft-ietf-sip-sips-02, 3 iterations of the working group document • Almost went WGLC on draft-ietf-sip- sips-04… – …but “transport=tls” issue delayed it • Completed Working Group last call comments on draft-ietf-sip-sips-05 just after July 16 th draft-sip-sips-05
Major Changes since -02 • Proposed Standard (not Informational) • Updates RFC 3261 (and RFC 3608) • Deprecated last hop exception completely • Added two error codes, 418 “SIPS Not Allowed” and 419 “SIPS Required” • RFC 3261 Bugs fixes Appendix B has been added • The re-instatement of the “transport=tls” or something similar, has been added to the Annex on “Future Steps in Specification” draft-sip-sips-05
WGLC Comments • Editorial/clarification from John Elwell, Attila Sipos & Hans Persson – Will all be addressed in draft-ietf-sip-sips- 06 • Error Codes • Double Record-Routing draft-sip-sips-05
WGLC Comments: Error Codes • Status Quo: • Attila’s Proposals: – Keep 2 error codes, 418 – One Error Code only (418 “SIPS Not Allowed” and “URI Scheme Not 419 “SIPS Required” Allowed) – PROS: – Allow-URI: sip (instead of 418) • No additional headers – Require-URI: sips (instead – CONS: of 419) • 2 error codes – PROS • Not applicable to URIs other than SIP and SIPS • Generalized to any URI scheme (e.g., sipsec, etc.), and thus future proof – CONS • 2 new headers draft-sip-sips-05
WGLC Comments: Double Record-Routing • Adam Roach: – section 3.3.2 basically say:, “ If you implement this specification, you are explicitly forbidden from doing the following procedure, which is now explained in enough detail to implement ” – Delete 3.3.2 • The author agrees with Adam draft-sip-sips-05

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