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Topic: SCTP

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	RFC 3309 (rfc3309) - Stream Control Transmission Protocol (SCTP) Checksum
		When an SCTP packet is received, the receiver MUST first check the CRC-32c checksum: 1) Store the received CRC-32c value, 2) Replace the 32 bits of the Checksum field in the received SCTP packet with all '0's and calculate a CRC-32c value of the whole received packet.
		Implementors of SCTP are warned that both specifications are to be found in the literature, sometimes with no restriction on the long- division algorithm.
		Further, packets accepted by the SCTP 'header' CRC are in one-to-one correspondence with packets accepted by a modified procedure using a 'trailer' CRC value, and where the SCTP common checksum header is set to zero on transmission and is received as zero.
	www.faqs.org /rfcs/rfc3309.html (3018 words)

	SCTP (Site not responding. Last check: )
		SCTP, or Stream Control Transmission Protocol is a new transport protocol (2000) defined by the IETF.
		As a transport protocol, SCTP is equivalent in a sense to TCP or UDP.
		SCTP was originally intended for the transport of telephony (SS7) protocols over IP, with the goal of duplicating some of the reliability attributes of the SS7 signaling network in IP.
	www.serebella.com /encyclopedia/article-SCTP.html (247 words)

	SCTP Overview
		SCTP also is intended to make it easier to manage connections over a wireless network and to manage the transmission of multimedia data.
		Like TCP, SCTP manages "reliable transport" (ensuring the complete arrival of data units that are sent over the network) over the Internet's basically connectionless Internet Protocol (IP), the protocol responsible for moving the data but not for managing whether all the data arrives.
		SCTP also supports multihoming, which means that a connected end point can have alternate IP addresses associated with it in order to route around network failure or changing conditions.
	www.vivificus.net /jimbon/networking/sctp.html (386 words)

	SCTP: Stream Control Transmission Protocol Overview (RFC 2960)
		SCTP is designed to address the limitations and complexity of TCP while transporting real time signaling and data such as PSTN SS7/C7 signaling over IP network.
		The SCTP datagram is comprised of a common header and chunks.
		SCTP is defined by IETF (http://www.ietf.org) in RFC 2690.
	www.javvin.com /protocolSCTP.html (420 words)

	sctp(7P) (Site not responding. Last check: )
		SCTP is designed to support a number of functions that are critical for telephony signalling transport, including multi-streaming.
		SCTP allows data to be partitioned into multiple streams that have the property of independent sequenced delivery so that message loss in any one stream only affects delivery within that stream.
		SCTP uses a 3-way mechanism to allow graceful shutdown, where each endpoint has confirmation of the DATA chunks received by the remote endpoint prior to completion of the shutdown.
	www.cs.duke.edu /cgi-bin/man.cgi?section=7P&topic=sctp (1523 words)

	SCTP Primer
		SCTP is more akin to TCP than UDP, however it yields additional features to TCP while still supporting much of the same functionality.
		SCTP does not allow this, both endpoints must close when the shutdown primitive is issued.
		One reason for not putting the half-closed state in SCTP was the lack of use of it: very few applications require it.
	datatag.web.cern.ch /datatag/WP3/sctp/primer.htm (1298 words)

	sctp(7): SCTP protocol - Linux man page
		This is an implementation of the SCTP protocol as defined in RFC2960 and RFC3309.
		An out of the blue packet is an SCTP packet correctly formed, including the proper checksum, but for which the receiver was unable to identify an appropriate association.
		Note that the underlying SCTP implementation may fragment into smaller sized chunks when the PMTU of the underlying association is smaller than the value set by the user.
	www.die.net /doc/linux/man/man7/sctp.7.html (1936 words)

	SCTP News (Site not responding. Last check: )
		SCTP is an alternative to the Transmission Control Protocol (TCP) currently used in IP-enabled networks.
		SCTP advances the goal of achieving interoperability by enabling a wide range of IP telephony elements to inter operate.
		SCTP is a vital element necessary to reach this goal.
	www.intellinet-tech.com /News/02-12-01.html (356 words)

	OpenSS7: Status: Projects: IP Transport: SCTP
		The SCTP transport component is an implementation of the Stream Control Transmission Protocol (RFC 2960) for both Linux Native and STREAMS, as well as a STREAMS interface to the Linux Native implementation.
		The Linux Native release of SCTP is in the Maintenance stage.
		This is the Linux Kernel Native release of the OpernSS7 SCTP stack for Linux NET4 as kernel patch for Linux 2.4.18, 2.4.19, 2.4.20, 2.4.21, 2.4.22 and RedHat 2.4.20-28.9 and 2.4.20-28.7 kernels.
	www.openss7.org /sctp.html (872 words)

	Support for IUA with SCTP
		Set the SCTP association to be modified to the OOS state as described in the "Setting the Service State of an Association" section.
		Set the SCTP association to be modified to the IS state as described in the "Setting the Service State of an Association" section.
		Delete the SCTP associations for this external node, as described in the "Deleting SCTP Associations" section.
	www.cisco.com /univercd/cc/td/doc/product/access/sc/rel9/mgcfm/941fm/fmiua.htm (6288 words)

	SCTP
		The ID describes an extension of SCTP providing a method for addition and deletion of IP-addresses which are used for an association.
		The ID describes an extension of SCTP providing a method for authentication of chunks which is required for draft-ietf-tsvwg-addip-sctp-21.txt.
		The SCTP homepage of the Protocol Enginnering Lab of the University of Delaware.
	www.sctp.de /sctp.html (684 words)

	IPS7.net
		SCTP is a unicast protocol, and supports data exchange between exactly 2 endpoints, although these may be represented by multiple IP addresses.
		SCTP is rate adaptive similar to TCP, and will scale back data transfer to the prevailing load conditions in the network. It is designed to behave cooperatively with TCP sessions attempting to use the same bandwidth.
		SCTP Shutdown uses a 3 message procedure to allow graceful shutdown, where each endpoint has confirmation of the DATA chunks received by the remote endpoint prior to completion of the shutdown. An Abort procedure is also provided for error cases when an immediate shutdown must take place.
	sctp.chicago.il.us /sctpoverview.html (949 words)

	SCTP, Stream Control Transmission Protocol
		It can be used by the receiver in combination with the source IP address, the SCTP destination port and possibly the destination IP address to identify the association to which this packet belongs.
		The SCTP port number to which this packet is destined.
		SCTP uses the Adler-32 algorithm for calculating the checksum.
	www.networksorcery.com /enp/protocol/sctp.htm (726 words)

	IEC
		In SCTP, data is transmitted between endpoints through a connection referred to as an "association." An association begins with an "initiation" and is maintained until all data has been successfully transmitted and received.
		SCTP closely monitors the transmission paths to the peer endpoint using HEARTBEAT chunks that test the connectivity of a path.
		In SCTP, a path is considered "active" when it has been acknowledged by the peer endpoint or has been used previously for SCTP packet transfer.
	www.iec.org /online/tutorials/sctp/topic02.html (563 words)

	SCTP: Stream Control Transmission Protocol Overview (RFC 2960)
		Stream Control Transmission Protocol (SCTP) is designed to transport PSTN signalling messages over IP networks, but is capable of broader applications.
		SCTP is designed to address the limitations and complexity of TCP while transporting real time signaling and data such as PSTN signaling over IP network.
		It can be used by the receiver, in combination with the source IP Address, to identify the association to which this datagram belongs.
	www.networkdictionary.com /protocols/sctp.php (303 words)

	Better networking with SCTP
		SCTP is a reliable, general-purpose transport layer protocol for use on IP networks.
		SCTP monitors the paths of the association using a built-in heartbeat; upon detecting a path failure, the protocol sends traffic over the alternate path.
		SCTP is a relatively new protocol, considering that it became an RFC in October 2000.
	www-128.ibm.com /developerworks/linux/library/l-sctp/?ca=dgr-lnxw01SCTP (2675 words)

	Sigtran Stack - SCTP (Stream Control Transmission Protocol) Sigtran Stack (Site not responding. Last check: )
		SCTP could be summarized as an end-to-end, connection-oriented protocol that transports data in independent sequenced streams in a multi-homed environment.
		The architecture is based on core SCTP modules that include the implementation stack, the API layer and the Accelero™ application development software.
		In April 2001, IntelliNet celebrated a successful M3UA Bakeoff, deploying its SCTP API as the transport for the adaptation layer.
	www.intellinet-tech.com /Products/SCTP.htm (629 words)

	MPI Middleware over SCTP
		SCTP is a transport layer protocol comparable to TCP and UDP.
		SCTP is message-based so the thought was that this framing could be off-loaded to the transport protocol.
		Through conversations with members of the SCTP community at the 64th IETF in Vancouver, we learned that Sun Solaris 10 and Mac OS 10 ship an SCTP implementation out-of-the-box, and that the performance results of these implementations are on par with BSD.
	www.cs.ubc.ca /labs/dsg/mpi-sctp (1747 words)

	SCTP -- DataTAG (Site not responding. Last check: )
		Designed by Randall Stewart and Qiaobing Xie, SCTP was intended initially for Internet telephony, but now has developed into a robust general purpose transport protocol.
		Consequently, we studied the performance of the only two Linux implementations of SCTP that were publicly available at the time this study was performed: LKSCTP and OpenSS7.
		SCTP for beginners also provides a very good introduction to SCTP.
	datatag.web.cern.ch /datatag/WP3/sctp (257 words)

	Aricent SIGTRAN SCTP
		SCTP redundancy features also support mechanism to bring a new or recovered Node to be synchronized with current Active Node.
		SCTP protocol stack was tested against a detailed test plan for validating the conformance to various mandatory and optional SCTP features.
		Detailed performance report on SCTP stack running in various load conditions can be obtained by sending a mail to support@flextronicssoftware.com.
	www.hssworld.com /voip/stacks/sigtran/Sigtran_SCTP/SCTP_current_release.htm (512 words)

	IEC
		SCTP endpoints support multi-homing; therefore, interface redundancy is built into the protocol.
		The underlying mechanism of SCTP is fairly complex and incorporates a number of validation procedures, path-management practices, and security measures.
		This tutorial begins by discussing the evolution of SCTP and continues with an explanation of the fundamental concepts of the protocol.
	www.iec.org /online/tutorials/sctp (293 words)

	MPICH2 - SCTP Project
		SCTP is a message-oriented reliable transport protocol recently standardized by the IETF and designed to bridge the gap between UDP and TCP.
		Like UDP, SCTP is message oriented but is also defined TCP friendly” because it adopts connection management, congestion and flow control mechanisms similar to TCP.
		Each SCTP association, identified by the rank parameter, is mapped with a direct communication between two tasks, while an SCTP stream is mapped with the context and tag parameters.
	elab.unimol.it /sctp (305 words)

	[No title]
		When both sides of an SCTP association support this extension, it can be used by an SCTP implementation to provide partially reliable data transmission service to an upper layer protocol.
		Also, the SCTP receiver does not necessarily need to know which semantics of partially reliable service are being used by the sender, since the receiver's only role is to correctly interpret FORWARD TSN chunks, thereby skipping past messages that the sender has decided to no longer transmit (or retransmit).
		Standards Track [Page 5] RFC 3758 SCTP Partial Reliability Extension May 2004 This chunk shall be used by the data sender to inform the data receiver to adjust its cumulative received TSN point forward because some missing TSNs are associated with data chunks that SHOULD NOT be transmitted or retransmitted by the sender.
	www.ietf.org /rfc/rfc3758.txt (5015 words)

	SCTP (Stream Control Transport Protocol) is defined by IETF RFC2960 as the transport layer to carry signaling messages ...
		SCTP (Stream Control Transport Protocol) is defined by IETF RFC2960 as the transport layer to carry signaling messages over IP networks.
		Compliant with IETF RFC2960 and RFC3309, SCTP/T (SCTP for Telephony) is implemented in the OS kernel.
		Paths are continually monitored by the heartbeat feature and if the primary path fails SCTP transparently switches to the secondary path, without packet loss or upper layer intervention.
	www.adax.com /products/protocol_software/aa_sctp_t.htm (973 words)

	Why is SCTP needed given TCP and UDP are widely available? - ISOC Member Briefing #17
		Stream Control Transmission Protocol (SCTP) [RFC2960] is an end-to-end transport protocol that provides services heretofore unavailable from either of the workhorse transport protocols that have supported the Internet for more than twenty years: reliable, connection-oriented TCP [RFC793], or unreliable, connectionless UDP [RFC768].
		A receiver of a new SCTP association setup message maintains no state (i.e., reserves no resources) until after the initiator proves it is at the IP address from which it claims to be setting up the association.
		The user of SCTP is assured these features are present as compared to TCP versions where one must validate that both sides of a connection have implemented all appropriate RFCs.
	www.isoc.org /briefings/017/index.shtml (1787 words)

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