The IETF has recently advanced the IPsec protocols to draft standard status. These protocols include mechanisms for the establishment of a secure channel, via cryptographic key exchange, over an insecure medium. Such a channel can then be used for ensuring the confidentiality, authentication, and/or integrity of the communications between two parties. In this article we explain the algorithms and protocols of IPsec's Internet Key Exchange and discuss the types of security that the various IKE modes provide.

Discusses the architecture and technical viability of transporting real-time voice over packet-switched networks such as the Internet. ProPOsal of the telephony industry for upgrading of Internet; Reason for proposal; Where voice overs can be added; Consideration of feasibility and expected quality of service of audio applications for Internet protocol (IP) networks such as Internet; Examination of possible architecture for voice over IP.