{{The '''Fast Local Internet Protocol''' ('''FLIP''') is a suite of [[Internet protocol suite|internet protocols]]}}, which provide Security transparency, security and network management. FLIP was designed at the {{[[Vrije Universiteit]]}} in Amsterdam to support [[remote procedure call]]ing in the{{ [[Amoeba (operating system)|Amoeba]]}} distributed operating system.<ref>[[M. Frans Kaashoek]], Robbert van Renesse, Hans van Staveren and Andrew S. Tanenbaum (1993). {{{[http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.100.5689 FLIP: an internetwork protocol for supporting distributed systems]}}{{ACM Transactions on Computer Systems '''11''':73–106}}.</ref>
{{In the [[OSI model]], FLIP occupies [[Network layer|layer 3]], thus replacing [[Internet Protocol|IP]], but it also obviates the need for a transport-level protocol like [[Transmission Control Protocol|TCP]].}}
FLIP is a connectionless protocol designed to support transparency, group communication, secure communication and easy network management. The following FLIP properties helps to achieve the efficiency requirements:
*FLIP identifies entities called network service access points (NSAPs).
{{[[*FLIP uses a one way mapping between the “private” ]]}}address, used to register an endpoint of a network connection, and the “public” address used to advertise the endpoint.
*FLIP routes messages based on NSAP.
*FLIP uses a bit in the message header to request transmission of sensitive messages across trusted networks.