draft kaplanmmusiclatching Documents Media Latching Informational Meant to provide a ref for latching and HNT Documentcommon practice Please review 2 Signalling Latching Not a SIP exclusive ID: 328690
Download Presentation The PPT/PDF document "1 Media Latching" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
1
Media Latchingdraft-kaplan-mmusic-latching
Documents Media Latching
Informational
Meant to provide a ref for latching (and HNT)
Documentcommon practice
Please review!Slide2
2
SignallingLatching: Not a SIP exclusiveXEP-0177
A
SIP and XMPP example
SIP / XMPP UA
SBC / XMPP Server
RTP sent to 10.1.1.1/12345
NAT
c=10.1.1.1/12345
latch to source
. . . Slide3
3
Security Considerations
Resource exhaustion
prob
: attacker could flood all relay ports to prevent calls from succeeding
sol: Restricted Latching
i.e. assert Signalling.IP == RTP.IPEavesdropping
prob: attacked floods in the hope of being latched uponsol: restricted latchingprob: attacker spoofs IP or shares NAT with UA
sol: use SRTPSlide4
4
QuestionInterest in adopting this as a WG document?