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Noprint Back to Table of Contents Back to SBC Network Deployment Scenarios Back to Service Provider Deployment Scenarios Additional sections: Children Display

This section describes specific scenarios involving the deployment of a 

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 Session Border Controller within a Network-Network-Interface (NNI) across two carriers. The use cases described in this section illustrate the

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features from a user’s standpoint in the peering network.

The Peering or Network-Network Interface (NNI) refers to the service control interface between two or more IP networks.

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acting as a peering

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connects these IP networks (carriers, sub-networks, long distance networks, etc.)  providing extensive routing capabilities and resource management.

An 

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in  in this configuration is also referred to as a Trunking

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(T-

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). In . In NNI deployment the call model does not support registration, refreshes etc. It supports only SIP calls conforming to a highly scalable model. The

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in peering deployment includes the following characteristics:

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0 Figure 1 Peering (NNI) deployments
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Note
This diagram does not reflect that each network in an NNI deployment can have multiple Spacevars 0 product s ( Spacevars 0 product or 3rd-party Spacevars 0 product s) at the border.

Note
The example graphic depicits graphic depicts the SBC 5000, but all the platforms are supported.

 

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Additional topics:

 

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