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sequenced packet protocol (XNS) (SPP)

Sequenced Packet Protocol(SPP) is a connection-oriented transport protocol for reliable, connection-oriented and flow-controlled data packet transmissions to support client- server processes.

The SPP protocol was developed by Xerox and is one of the XNS protocols, Xerox Network System (XNS). It has been adopted by various manufacturers and adapted to specific applications. For example, it was adopted in VINES and Novell`s Sequenced Packet Exchange Protocol( SPX) is one of the best known variants of the SPP protocol.

The SPP protocol has flow control and supports applications with multiple transport connections. For connection control, the SPP protocol uses the destination address. Like other packet-oriented transport protocols, the SPP protocol uses sequence numbers to ensure the correct order of data packets at the receiving location. There are also confirmation numbers to indicate the last data packet of a sequence and to ensure that the sequence has been transmitted completely and without errors.

Informations:
Englisch: sequenced packet protocol (XNS) - SPP
Updated at: 26.07.2008
#Words: 150
Links: standard parallel port (Centronics) (SPP), connection, transport protocol (TP), data packet, client
Translations: DE
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