Sequenced Packet Exchange


Sequenced Packet Exchange (SPX) is a connection-based, Reliable protocol, sequenced OSI-Model Transport Layer protocol which requires IPX.

Sequenced Packet Exchange was part of the NetWare Core Protocol

which provides:

  • guaranteed packet delivery - ensuring that packets are received in order by the destination endpoint
  • flow control - regulating the speed at which packets are sent and received by both the sending and receiving processes

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