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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Network Byte Order – Most significant byte first, a.

M3UA RFC.4666 – SS7 MTP3 User Adaptation Layer

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. Signalling Point Code Representation Routing Context – A value that uniquely identifies a Routing Key.

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. 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.

Message Distribution at the ASP Receipt of Primitives from the Layer Management Routing Key Management Procedures [Optional] Distribution of this memo is unlimited.

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Managing Routing Contexts and Routing Keys Table of Contents 1. 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

Routing Context values are configured either using a configuration management interface, or by using the routing key management procedures defined in this document. An SG contains a set of one or more unique Signalling Gateway Processes, of which one rc more is normally actively processing traffic.

Examples of M3UA Procedures Linkset – A number of signalling links that directly interconnect two signalling points, which are used as a m3us. The AS contains a set of one or more unique Application Server Processes, of which one or more is normally actively processing traffic.

Signalling Gateway SS7 Layers The delivery mechanism should meet the following criteria: 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.

Definition of M3UA Boundaries Layer Management – Layer Management is a nodal function that handles the rcf and outputs between the M3UA layer and a local management entity.

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. Routing Contexts and Routing Keys An example scenario is where an SG appears as an.

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The provisioning and configuration of the SS7 network determines the restriction placed on the maximum block. Note that there 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 466 to the unordered delivery service.

Message Classes and Types 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 n3ua a particular Application Server. This document obsoletes RFC Message Distribution at the SGP Signalling Process – A process instance that uses M3UA to communicate with other signalling processes.

RFC – part 1 of 5

This can be achieved using the. This is to take advantage of various SCTP features, such as: Failover also applies upon the return to service of a previously unavailable Application Server Process. 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.

Network Working Group K.

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