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draft-ietf-sip-media-security-requirements-03. SIP Media Security Requirements. Dan Wing, [email protected] Document Timeline. draft-ietf-sip-media-security-requirements-00. draft-ietf-sip-media-security-requirements-01. draft-ietf-sip-media-security-requirements-02.

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document timeline
draft-ietf-sip-media-security-requirements-03Document Timeline

draft-ietf-sip-media-security-requirements-00

draft-ietf-sip-media-security-requirements-01

draft-ietf-sip-media-security-requirements-02

draft-ietf-sip-media-security-requirements-03

draft-wing-media-security-requirements-00

1st RTPSEC BoF (IETF66, Montreal)‏

2nd RTPSEC BoF (IETF68, Prague)‏

draft-wing-srtp-keying-eval-00

Jul-2006

May-2006

Oct-2006

Mar-2007

Sep-2007

Nov-2007

Jan-2008

Feb-2008

Mar-2008

document status
draft-ietf-sip-media-security-requirements-03Document Status
  • Requirement numbers changed to mnemonics
  • R-REUSE: Reverted to earlier MAY to re-use previous security association
  • Still waiting for 3GPP requirements
comments no consensus
draft-ietf-sip-media-security-requirements-03Comments: “No Consensus”
  • R-RECORDING (call recording)‏
    • Needed by some businesses
    • draft-wing-sipping-srtp-key proposes one method to do call recording
  • R-TRANSCODER
comment re instate r15
draft-ietf-sip-media-security-requirements-03Comment: “re-instate R15”
  • R15: start with RTP and upgrade to SRTP
    • For announcements, advertising
  • Concern:
    • Attacker could send bogus RTP media until SRTP starts (assuming SRTP starts at all)‏
    • Brian Stucker analyzed a similar RTP problem
  • Further study? Re-instate requirement?

draft-stucker-sipping-early-media-coping-03 (expired)‏

moving forward choices
draft-ietf-sip-media-security-requirements-03Moving Forward: Choices
  • Publish requirements from March 2007 RTPSEC BoF
    • Original intent of adopting as WG document
  • Refine requirements based on today’s requirements
    • 3GPP
    • R15, Transcoder, Recording
    • “The Identity Problem” (SBCs, E.164)‏
dan wing dwing@cisco com
Dan Wing, [email protected]Questions

draft-ietf-sip-media-security-requirements-03

draft-ietf-sip-media-security-requirements-03

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