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CONNECTIONS Establishment based on functional addressing Selectable lookup algorithm, partitioning, redundancy etc No protocol messages exchanged during setup/shutdown Only payload carrying messages Traditional TCP-style connection setup/shutdown as alternative End-to-end flow control SOCK_SEQPACKET SOCK_STREAM SOCK_RDM for connectionless and multicast SOCK_DGRAM can easily be added if needed Same with “Unreliable SOCK_SEQPACKET” |