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SRI-SM Results In M3UA Closing The Connections With The STP (Doc ID 2600371.1)

Last updated on NOVEMBER 15, 2019

Applies to:

Oracle Communications Convergent Charging Controller - Version 6.0.0 and later
Oracle Communications Network Charging and Control - Version 4.3.0 and later
Information in this document applies to any platform.


On Oracle Communications Convergent Charging Controller version 6.0.1 the m3ua (Message Transfer Part 3 User Adaptation) interface links the Service Logic Execution Environment (SLEE) to the Stream Control Transmission Protocol (SCTP) network.

SCTP is a transport-layer protocol analogous to the Transmission Control Protocol (TCP) or User Datagram Protocol (UDP). It provides some similar services as TCP (reliable, in-sequence transport of messages with congestion control) but adds high availability.

SCTP is used to transmit multiple streams of data at the same time between two end points that have established a connection in a network.

Sequenced Delivery within Streams

The term "stream" is used in SCTP to refer to a sequence of user messages that are to be delivered to the upper-layer protocol in order with respect to other messages within the same stream. This is in contrast to its usage in TCP, where it refers to a sequence of bytes (in this document, a byte is assumed to be 8 bits). The SCTP user can specify at association startup time the number of streams to be supported by the association. This number is negotiated with the remote end.


When sending an Send Routing Info for Short Message (SRI-SM) the m3ua adapter complains about invalid connection as following: 




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