http://www.rfc-editor.org/rfc/rfc3154.txt
RFC 3154: Requirements and Functional Architecture for an IP Host Alerting Protocol, J. Kempf, C. Castelluccia, P. Mutaf, N. Nakajima, Y. Ohba, R. Ramjee, Y. Saifullah, B. Sarikaya, X. Xu2001-08-01T23:00:00-00:00This document develops an architecture and a set of requirements needed to support alerting of hosts that are in dormant mode. The architecture and requirements are designed to guide development of an IP protocol for alerting dormant IP mobile hosts, commonly called paging. This memo provides information for the Internet community.