Signalling Connection Control Part (SCCP)


Overview:-	This is the Signalling System No. 7 (SS7) Signalling Connection Control Part (SCCP) component of the OpenSS7 stack. This component implements the SCCP functions in a STREAMS multiplexing driver. The SCCP STREAMS driver provides three user-level interfaces: the Signalling Connection Control Part Interface (SCCPI), the Network Provider Interface (NPI) and the Transport Provider Interface (TPI). An additional Global Title Interface (GTT) is provided to allow for Global Title Translation (GTT) under the control of a user level process or a specialized GTT module pushed on a GTT stream. The SCCP STREAMS driver supports I_LINK and I_PLINK of Message Transfer Part Interface (MTPI) streams providing SS7 MTP Level 3 MTP-SAPs under the multiplexing driver. The SCCP STREAMS driver supports all SCCP protocol classes and options including connectionless and connection-oriented. It supports a wide range of International and National protocol variants.

History:-	The SCCP component was started in 1996. Current STREAMS based approaches were started in January 2000.

Status:-	The SCCP component of the OpenSS7 stack is in the Testing stage.

Dependencies:-	This component depends on the SS7 MTP Level 3, SIGTRAN M3UA or TALI drivers and the Message Transfer Part Interface (MTPI).

References:-	A reference list for the SCCP can be viewed here.

Design:-	Designs for the SCCP component will be available here.

Code:-	Code has not yet been released to the public. Source code is available on the OpenSS7 CVS archive under the subdirectory /openss7/strss7/drivers/sccp. The SCCP component code will be publicly released with the next major release of the strss7 package.

Documentation:-	Documentation has not yet been publicly released. Documentation for the SCCP component will be available here. The following preliminary manual pages will be available: sccp(4), SCCP driver manpage; sccpi(7), SCCPI interface manpage; npi_sccp(7), SCCP NPI interface manpage; tpi_sccp(7), SCCP TPI interface manpage; xti_sccp(3), SCCP XTI interface manpage; sccp_socket(7), SCCP SOCKETS interface manpage; sccp_ioctl(4), SCCP IO Controls; sccp(8), SCCP Administration.

Test Results:-	Test results have not yet been released to the public. SCCP test results will be publicly released with the next major release of the strss7 package. Preliminary PICS and PIXIT Proforma for SCCP will be available here.

Release Package:-	The Signalling Connection Control Part (SCCP) is an integral part of the OpenSS7 STREAMS SS7 stack and can be found in the sccp sub-directory in the strss release code. Please see the Downloads Page for more information.

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