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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Message Distribution at the ASP Routing Context values are configured either using a configuration management interface, or by using the routing key management procedures defined in this document. The AS contains a set of one or more unique Application Server Processes, of which one or more is normally actively processing traffic. Layer Management – Layer Management is a nodal function that handles the inputs and outputs between the M3UA layer and a local management entity.

M3UA RFC.4666 – SS7 MTP3 User Adaptation Layer

This document obsoletes RFC 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. Failover also applies upon the return efc service of a previously unavailable Application Server Process. It serves as an active, backup, load-sharing, or broadcast process of a Signalling Gateway.

Table of Contents 1. An SG contains a set of one or more unique Signalling Gateway Processes, of which one or more is normally actively processing traffic. 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.

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This is to take advantage of various SCTP features, such as: Signalling Gateway SS7 Layers Managing Routing Contexts and Routing Keys Signaling Transfer Point STP – A node in the SS7 network that provides network access and performs message routing, screening and transfer of signaling messages. Routing Key Management Procedures [Optional] Signalling Process – A process instance that uses M3UA to communicate with other signalling processes.

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Message Distribution at the SGP The delivery mechanism should meet the following criteria: Note that there is a 1: 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 46666 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 46666 and Types Signalling Point Code Representation Routing Contexts and Routing Keys The M3UA layer m3uua 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.

Network Byte Order – Most significant byte first, a.

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

Examples of M3UA Procedures 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. This can be achieved using the. 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 m3au blocks to the final destination.

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The provisioning and configuration of the SS7 network determines the restriction placed on the maximum block. Protocol Architecture The mm3ua architecture that has been defined 46666 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. An example scenario is where an SG mua as an.

Distribution of this memo is unlimited. 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. Receipt of Primitives from the Layer Management Routing Context – A value that uniquely identifies a Routing Key.

Definition of M3UA Boundaries