raiarea-1----Page:22
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
|
Architecture: Key Exchange: Signalling or Media Path? Signalling (SDP, SIP) Already standardized MIKEY/kmgmt-ext, Security Descriptions Problems with Media-before-SDP-Answer, forking Media path Internet Drafts only Pure inline ZRTP Hybrid EKT (key exchange using security descriptions) DTLS/RTP (fingerprints in SDP) Better coordination with media protection Changes RTP architecture |