This algorithm implements header compression, usually over low speed (300 to 19,200 bps) serial links, which can reduce packet header overhead from 4000% to 300%, enough to yield acceptable interactive performance at 2400 bps. This is often used in conjunction with PPP (CPPP).

Van Jacobson compression provides an end-to-end checksum. The original TCP checksum is always preserved, transmitted unmodified, and used to check the validity of the reconstructed packet.

RFC 1144.

Van Jacobson, formerly with the Lawrence Berkeley Laboratory, is chief scientist at Packet Design.
under author address: Phone: Use email (author ignores his phone)

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