(1) Abbreviation for Wireless Session Protocol. The Session layer protocol family in the WAP architecture is called the Wireless Session Protocol, WSP. WSP provides the upper-level application layer of WAP with a consistent interface for two session services. The first is a connection-mode service that operates above a transaction layer protocol WTP, and the second is a connectionless service that operates above a secure or non-secure datagram transport service.
(2) Abbreviation for Web Standards Project, which also abbreviated as WaSP. The Web Standards Project is a collective project and effort of Web developers, tool developers, and end users whose goal is to stop the fragmentation of the web by persuading the browser makers that common standards are in everyone's best interest.