When speaking about Protocol
interactions, the Protocol Server is the receiver with Protocol Client
which must initiate the Protocol
defines Protocol Server as service requests by sending back responses. Any given program may be capable of being both a client and a server; our use of these terms refers only to the role being performed by the program for a particular connection, rather than to the program's capabilities in general. Likewise, any server
may act as an Web Origin server
, or tunnel, switching behavior based on the nature of each request.
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