By Rebecca Copeland
Targeting the long run community structure and its major rules, Converging NGN Wireline and cellular 3G Networks with IMS presents a entire view of the tools, features, community components, and the interfaces between them that permit the construction of a provider agnostic and entry agnostic consultation keep an eye on layer in line with the IMS criteria.
After an advent to IMS rules with industry tendencies, technological techniques, migration matters, and international criteria, the e-book describes converged consultation regulate and multimedia dealing with with identification administration, provider profiles, and occasion and purposes triggering in addition to admission techniques for various sorts of entry networks. next chapters take on the all-important features of IP charging mechanisms, service-based caliber of carrier, safety, border keep watch over, and legacy prone, permitting a radical appreciation of the total community requisites. at any place attainable, the writer issues out the convergence of criteria and info diversified requirements and terminology for TISPAN and 3GPP.
Delivering deep perception into the position of IMS in mounted line and cellular networks, this publication explains the hot applied sciences from options to precise ideas to provide a transparent figuring out of the way the following iteration of converged conversation should be accomplished with controlled caliber, safety, and chargeability.
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Extra info for Converging NGN Wireline and Mobile 3G Networks with IMS: Converging NGN and 3G Mobile
The TISPAN definition of resource management differs somewhat from the 3GPP definition. The RACS enables resource management driven by operator policies. The SPDF (Service Policy Decision Function) in the RACS must be session aware to make service-based policy decisions. The RACS negotiates resource allocation with the bearer nodes, which then will enforce the agreed QoS level. TISPAN also has developed further the procedures at the network border, both on the access side and on the network interconnection side.
This means that new features can be introduced much faster, at lower cost, and without network disruption. For this reason it is important to resist the temptation to build session features into the session controller server, despite some advantages at the start. 3 The Media Plane The lower layer is the Media Plane, or the User Plane, representing the Transport layer. This plane handles the media separately from the signaling, using different protocols to control the flow. Here, media is carried over, manipulated and converted (CS to PS), monitored and inspected when crossing over the border.
When UMTS QoS negotiation mechanisms are used to negotiate end-to-end QoS, the Translation Function in the GGSN coordinates resource allocation between the UMTS BS Manager and the IP BS Manager. At the IP BS level. This is the process that conveys QoS requirements at the IMS application level to the UMTS BS and performs any required end-to-end QoS signaling by interworking with the external network. This process is performed between the IP BS Manager at the UE and the GGSN. QoS signaling mechanisms such as RSVP (Resource ReSerVation Protocol) are only used at the IP BS level.
Converging NGN Wireline and Mobile 3G Networks with IMS: Converging NGN and 3G Mobile by Rebecca Copeland