Abstract
Methodologies developed in the Internet Engineering Task Force (IETF) Internet Protocol Security (IPSEC) Working Group can be incorporated into asynchronous transfer mode (ATM) and frame relay (FR) signaling to provide message integrity and origin authentication. In turn, these mechanisms can provide a virtual private network (VPN) infrastructure with call control message integrity, origin verification, and transit network filtering. In this paper, we describe a set of control messages based on the IPSEC authentication header (AH) methodology that provide these security mechanisms for ATM and FR network switching equipment and signaling protocols.
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