Transport Layer - Freie Universität Berlin
Transport Layer - Freie Universität Berlin
Transport Layer - Freie Universität Berlin
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Stream Control Transmission Protocol (SCTP)<br />
● Key motivation<br />
● Reliable transport of messages via IP networks (e.g. SS7 signaling)<br />
● TCP too strict in-order delivery (danger of head-of-line-blocking)<br />
● Limitations of sockets wrt. highly-available data transfer using multi-homed hosts<br />
● Vulnerability of TCP wrt. DoS attacks such as SYN flooding<br />
● Key features<br />
● Reliable, connection-oriented transport protocol, multi-streaming, multi-homing,<br />
heartbeats, 4-way-handshake, TCP friendly, certain resistance to<br />
flooding/masquerade attacks, message oriented<br />
● RFCs (originally developed by the IETF SIGTRAN working group)<br />
● RFC 4960 (was 2960, updated by 3309, 6096, 6335)<br />
● Specification of the protocol, packet formats, options, features<br />
● RFC 3286<br />
● High-level introduction to SCTP<br />
● And some more, like RFC 5062 Security Attacks against SCTP…<br />
Univ.-Prof. Dr.-Ing. Jochen H. Schiller ▪ cst.mi.fu-berlin.de ▪ Telematics ▪ Chapter 8: <strong>Transport</strong> <strong>Layer</strong><br />
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