High Quality Content by WIKIPEDIA articles! Waka is a new application protocol intended as "a binary, token-based replacement for HTTP." It is "designed to match the efficiency of the REST architectural style."Waka was conceived by Roy Fielding of REST fame, and described in a 2002 ApacheCon presentation. It is still under development. As of August 2006, waka was "all done in my head, it's not on paper though. ... I'm almost to the point where I can make it an open project."Application Layer is a term used in categorizing protocols and methods in architectural models of computer networking. Both the OSI model and the Internet Protocol Suite (TCP/IP) contain an application layer.In TCP/IP, the Application Layer contains all protocols and methods that fall into the realm of process-to-process communications via an Internet Protocol (IP) network using the Transport Layer protocols to establish underlying host-to-host connections.