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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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.

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.

n3ua

M3UA RFC.4666 – SS7 MTP3 User Adaptation Layer

This is to take advantage of various SCTP features, such as: Layer Management – Layer Management is a nodal function that handles the inputs and outputs between the M3UA layer and a local management dfc.

Signaling Transfer Point STP – A node in the SS7 network that provides network access and performs message n3ua, 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.

Routing Key Management Procedures [Optional] Definition of M3UA Boundaries Distribution of this memo is unlimited.

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Table of Contents 1. It serves as an active, backup, m3ja, or broadcast process of a Signalling Gateway. Signalling Gateway SS7 Layers Signalling Process – A process instance that uses M3UA to communicate with other signalling processes.

Managing Routing Contexts and Routing Keys The AS contains a set of one or more unique Application Server Processes, of which one or more is normally actively processing traffic. An example scenario is where an SG appears as an.

Routing Context values are configured either using a configuration management interface, or by using the routing key management procedures defined in this document. Network Byte Order – Most significant byte first, a.

This document obsoletes RFC Note that there is a 1: Message Classes and Types Routing Contexts and M33ua Keys The provisioning and configuration of the SS7 network determines the restriction placed on the maximum block.

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

However, in the case where an ASP is connected to more than one SG, the M3UA layer at an ASP should maintain rtc status of configured SS7 destinations and route messages according to the availability and congestion status of the routes to these destinations via each SG. Network Working Group K.

RFC – Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) – User Adaptation Layer (M3UA)

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 m3ja particular SCN signalling protocol from its underlying protocol layer. Examples of M3UA Procedures This can be achieved using the. 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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Receipt of Primitives from the Layer Management Message Distribution at the SGP 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. Signalling Point Code Representation The delivery mechanism should meet the following criteria: Routing Key – A Routing Key describes a set of SS7 j3ua and parameter 466 that uniquely define the rcc of signalling traffic to be handled by a 466 Application Server.

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. Message Distribution at the ASP An SG contains a set of one or more unique Signalling Gateway Processes, of which one or more is normally actively processing traffic.