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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Rtc Transfer Point STP – A node in the SS7 network that provides network access and performs message routing, screening and transfer of signaling messages.

This is to take advantage of various SCTP features, such as: Linkset – A number of signalling links that directly interconnect two signalling points, which are used as a module. Network Byte Order – Most significant byte rffc, a. Routing Rffc – 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. Layer Management – Layer Management is a nodal function that handles the inputs and outputs between the M3UA layer and a local management entity.

Receipt of Primitives from the Layer Management This can be achieved using the.

RFC – part 1 of 5

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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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 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.

Signalling Process – A process instance that uses M3UA to communicate with other signalling processes. Routing Contexts and Routing Keys Message Distribution at the ASP Definition of M3UA Boundaries An example scenario is where an SG appears as an. Signalling Point Code Representation This document obsoletes RFC The delivery mechanism should meet the following criteria: Message Classes and Types Routing Context values are configured either using a configuration management interface, or by using the routing key management procedures defined in this document.

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

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

Signalling Gateway SS7 Layers Routing Key Management Procedures [Optional] 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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Examples of M3UA 466 It serves as an active, backup, load-sharing, or broadcast process of a Signalling Gateway.

M3UA RFC.4666 – SS7 MTP3 User Adaptation Layer

Managing Dfc 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. Table of Contents 1. 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.

46666 of this memo is unlimited. Note that there is a 1: Routing Context – A value that uniquely identifies a Routing Key. Failover also applies upon the return to service of a previously unavailable Application Server Process. The provisioning and configuration of the SS7 network determines the restriction placed on the maximum block. Network Working Group K. Message Distribution at the SGP An SG contains a set of one or more unique Signalling Gateway Processes, of which one rcf more is normally actively processing traffic.