RFC Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) – User Adaptation Layer (M3UA), September Canonical URL. RFC (part 1 of 5): Signaling System 7 (SS7) Message Transfer Part 3 ( MTP3) – User Adaptation Layer (M3UA). M3UA Overview. Protocol Architecture. Services Provided by the M3UA Layer. Support for the Transport of MTP3-User Messages. Full.
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Note that there is a 1: Protocol Architecture The framework architecture that has been defined for SCN signalling transport over IP [ 12 ] uses multiple components, including a common signalling transport protocol and an adaptation module to support the services expected by a particular SCN signalling protocol from its underlying protocol layer.
Routing Key – A Routing Key describes a 4666 of SS7 parameters and parameter values that uniquely define the range of k3ua traffic to be handled by a particular Application Server.
Routing Key Management Procedures 6466 The delivery mechanism should meet the following criteria: An example scenario is where an SG appears as an.
The M3UA layer at an ASP keeps the state of the routes to remote SS7 destinations and may initiate an audit of the availability and the restricted or the congested state of remote SS7 destinations.
The AS contains a set of one or more unique Application Server Processes, of which one or more is normally actively processing traffic. Routing Context values are configured either using a configuration management interface, or by using rfv routing key management procedures defined in this document. Signaling Transfer Point STP – A node in the SS7 network that provides network access and performs message routing, screening and transfer of signaling messages.
OCSS7 :: OCSS7 Compliance Matrix :: M3UA RFC – SS7 MTP3 User Adaptation Layer
Failover also applies upon the return to service of a previously unavailable Application Server Process. This is rrc take advantage of various SCTP features, such as: Failover – The capability to reroute signalling traffic as required to an alternate Application Server Process, or group of ASPs, within an Application Server in the event of failure or unavailability of a currently used Application Server Process.
Layer Management – Layer Management is a nodal function that handles the inputs and outputs between the M3UA layer and a local management entity. Table of Contents 1.
M3UA – Wikipedia
This can be achieved using the. Message Distribution at the SGP Stream – An SCTP stream; a unidirectional logical channel established from one SCTP endpoint to another associated SCTP endpoint, within which all user messages are delivered in-sequence except for those submitted to the unordered delivery service. Distribution of this memo is unlimited. Linkset – A number of signalling links that directly interconnect two signalling points, which are used as a module.
Message Distribution at the ASP Signalling Process – A process instance that uses M3UA to communicate with other signalling processes. This document obsoletes RFC Managing Routing Contexts and Routing Keys Routing Contexts and Routing Keys The provisioning and configuration of the SS7 network determines the restriction placed on the maximum block.
Receipt of Primitives from the Layer Management Network Working Group K. Network Byte Rff – Most significant byte first, a. Routing Context – A value that uniquely identifies a Routing Key. Signalling Gateway SS7 Layers However, in the case where an ASP is connected to more than one SG, the M3UA layer at an ASP should maintain the status of configured SS7 destinations and route messages according to the availability and congestion status of the ffc to these destinations via each SG.
M3UA RFC.4666 – SS7 MTP3 User Adaptation Layer
Message Classes and Types It serves as an active, backup, load-sharing, or broadcast process of a Signalling Gateway. Please refer to the current edition of the “Internet Official Protocol Standards” STD 1 for the standardization state and status of this protocol.
Examples of M3UA Procedures Definition of M3UA Boundaries However, in the context of an SG, the maximum octet block size must be followed when interworking to a SS7 network that does not support the transfer of larger information m3au to the final destination. An SG contains a set of one or more unique Signalling Gateway Processes, of which one or more is normally actively processing traffic.
Signalling Point Code Representation