===== RFC4960 - Stream Control Transmission Protocol =====
[[dido:public:ra:xapend:xapend.b_stds:tech:ietf:start| return to the IETF Standards ]]
Data sheet for RFC4960 Stream Control Transmission Protocol (SCTP)
| Title | Stream Control Transmission Protocol |
| Acronym | SCTP |
| Version | 2007 |
| Document Number | RFC4960 |
| Release Date | September 2007 |
| Reference | [[https://tools.ietf.org/html/rfc4960]] |
: **Note**: The following is an excerpt from the official IETF RFC. It is provided here as a convenience and is not authoritative. Refer to the original document as the authoritative reference.
==== Introduction ====
This document obsoletes RFC 2960 and RFC 3309. It describes the [[dido:public:ra:xapend:xapend.a_glossary:s:sctp]]. SCTP is designed to transport Public Switched Telephone Network (PSTN) signaling messages over [[dido:public:ra:xapend:xapend.a_glossary:i:ip]] networks, but is capable of broader applications.
SCTP is a reliable transport protocol operating on top of a connectionless packet network such as IP. It offers the following services to its users:
* acknowledged error-free non-duplicated transfer of user data,
* data fragmentation to conform to discovered path MTU size,
* sequenced delivery of user messages within multiple streams, with an option for order-of-arrival delivery of individual user messages,
* optional bundling of multiple user messages into a single SCTP packet, and
* network-level [[dido:public:ra:xapend:xapend.a_glossary:f:faulttolerance|fault tolerance]] through supporting of multi-homing at either or both ends of an association.
The design of SCTP includes appropriate congestion avoidance behavior and resistance to flooding and masquerade attacks.
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