M3UA RFC 4666 PDF

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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Managing Routing Contexts and Routing Keys Message Distribution at the ASP 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 routes to these destinations via each SG. Protocol Architecture The framework architecture that has been defined for SCN signalling transport over IP [ 12 ] uses multiple components, rff 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.

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 blocks 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. The delivery mechanism should meet the following criteria: Distribution of this memo is unlimited.

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M3UA – Wikipedia

Please refer to the current edition of the “Internet Official Protocol Standards” STD 1 for the standardization state and status of this protocol. Network Working Group K.

Failover also applies upon the return to service of a previously unavailable Application Server Process. Routing Context – A value that uniquely identifies a Routing Key. It serves as an active, backup, load-sharing, or broadcast process of 6466 Signalling Gateway.

Information on RFC ยป RFC Editor

Message Classes and Types Routing Contexts and Routing Keys Receipt of Primitives 3mua the Layer Management An example scenario is where an SG appears as an. Examples of M3UA Procedures Table of Contents 1. This is to take advantage of various SCTP features, such as: Routing Key – A Routing Key describes a set of SS7 parameters and parameter values that uniquely define the range of signalling traffic to be handled by a particular Application Server.

The AS contains a set of one or more unique Application Server Processes, of which one or more is normally actively processing traffic. Network Byte Order – Most significant byte first, a.

Layer Management – Layer Management is a nodal function that handles the inputs and outputs between the M3UA layer and a local management entity. Note that mua is a 1: 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.

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Linkset – A number of signalling links that directly interconnect two signalling points, which are used as a module. Routing Key Management Procedures [Optional] Definition of M3UA Boundaries This document obsoletes RFC 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.

M3UA RFC.4666 – SS7 MTP3 User Adaptation Layer

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.

Signaling Transfer Point STP – A node in the SS7 network that provides network access and performs message routing, screening and transfer of signaling messages. Message Distribution at the SGP Signalling Point Code Representation The provisioning and configuration of the SS7 network determines the restriction placed on the maximum block.