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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Examples of M3UA Procedures An SG contains a set of one or more unique Signalling Gateway Processes, of which one or more is normally actively processing traffic. Message Distribution at the SGP Routing Context – A value that uniquely identifies a Routing Key.

OCSS7 :: OCSS7 Compliance Matrix :: M3UA RFC – SS7 MTP3 User Adaptation Layer

Routing Contexts and Routing Keys Message Distribution at the ASP Routing Key – A Rf 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. Network Working Group K. This document obsoletes RFC Failover – The capability to reroute signalling traffic as 3mua 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 Rf.

Linkset – A number of signalling links that directly interconnect two signalling points, which are used as a module. 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.

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Managing Routing Contexts and Routing Keys Network Byte Order – Most significant byte first, a. 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.

Signalling Process – A process instance that uses M3UA to communicate with other signalling processes. 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. Routing Context values are configured either using a configuration management interface, or by using the routing key management procedures defined in this document.

Definition of M3UA Boundaries Table of Contents 1. Layer Management – Layer Management is a nodal function that handles the inputs and outputs between the M3UA layer and a local management entity. This can be achieved using the. Signaling Transfer Point STP – A node in the SS7 network that provides network access and performs message routing, screening and transfer of signaling messages.

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

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M3UA RFC.4666 – SS7 MTP3 User Adaptation Layer

Distribution of this memo is unlimited. An example scenario is where an SG appears as an.

Failover also applies upon the return to service of a previously unavailable Application Server Process. The delivery mechanism should meet the following criteria: Receipt of Primitives from the Layer Management This is to take advantage of various SCTP features, such as: It serves as an active, backup, load-sharing, or broadcast process of a Signalling Gateway. Routing Key Management Procedures [Optional] Rtc that there is a 1: Signalling Point Code Representation Stream – An SCTP stream; a unidirectional logical channel 44666 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.

The provisioning and configuration of the SS7 network determines the restriction placed on the maximum block. Message Classes and Types 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