Method for securing RTS communications across middleboxes

Details Method for securing RTS communications across middleboxes Method for securing RTS communications across middleboxes

2005-05-31

2009-12-29

Lee, Andrew (Department: 2416)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S392000, C370S401000

Reexamination Certificate

active

07639668

ABSTRACT:
A new method is provided for establishing real-time services that can coexist with NAT and firewalls, even when the signaling protocol uses cryptography. A communication channel between the call server and the middlebox passes information between them about the bearer channels associated with each signaling session.

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J. Rosenberg et al, “SIP: Session initiation protocol,”RFC 3261, IETF, (Jun. 2002), http://ietf.org/rfc/rfc3261.txt.
J. Rosenberg et al, “STUN—simple traversal of user datagram protocol (UDP) through network address translators (NATs),”RFC 3489, IETF, (Mar. 2003). http://ietf.org/rfc/rfc3489.txt.
P. Srisuresh et al, “Middlebox communication architecture and framework,”RFC 3303, IETF, (Aug. 2002). http://ietf.org/rfc/rfc3303.txt.
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T. Dierks et al, “The TLS protocol version 1.0,”RFC 2246, IETF, (Jan. 1999). http://ietf.org/rfc/rfc2246.txt.

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