The Stream Control Transmission Protocol (SCTP) association is an SCTP endpoint uniquely identified by transport addresses. Only one SCTP association occurs between two endpoints at a time.
SCTP associations are comprised of the following attributes:
- Two SCTP terminals
- Protocol data state
- Active DATA chunk group
SCTP is a transport layer protocol operating through a connectionless packet network. This is an Internet Protocol (IP) for terminal communication regulation.
During transport, SCTP separates and identifies stream and DATA/control chunks as stream identifiers (SIs), stream sequence numbers (SSNs) and transmission sequence numbers (TSNs).
SCTP provides the following features:
- Error-free data transfer
- Sequenced and non-duplicated message delivery
- Optional single packet bundling
- Optional order of arrival delivery for individual messages
- Multihoming support at association endpoints
- Maximum transmission unit (MTU) path size for data fragmentation
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