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SVI-BSF BINDING SUPPORT FUNCTION

Policy Control Function support for session data binding to network functions across 4G/5G networks.

Scale your policy/charging function (PCF/CHF) network with the SVI Binding Support Function.

Binding Support Function BSF

The SVI_BSF harmonises 5G network functions, matching session data to a specific PCF in a multi-PCF network for the duration of a subscriber’s registered session. Enhance Quality of Service (QoS) configuration to enhance traffic prioritisation and reduce session delay, packet drops, and network downtime.

Ensure voice over new radio (VoNR) 5G calls utilise the same PCF used when creating an N7 session in the 5G core. Support 5G core network capabilities for third parties using network exposure functions (NEF). Utilise reporting and monitoring through network data analytics functions (NWDAF) to modify the interactions of network functions (NF) with the 5G core.

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Harmonising 5G Core Networks

The proliferation of network traffic from 5G and IoT applications threatens to complicate networks as operators deploy multiple PCFs to manage sessions.

The BSF matches Protocol Data Unit (PDU) session information for either voice or data services to the correct PCF when an Application Function (AF) requests a specific PDU session and is used in the following ways:

  1. Register User Equipment (UE) binding information through the PCF.

  2. Discover the unique session PCF from the NEF, AF, or NWDAF side.

  3. Update existing UE session binding information via the PCF.

  4. Deregister UE binding information through the PCF.

Data session location, altering and binding

The BSF enables you to easily track, update and bind data sessions with shared information elements anywhere on a network.

SVI_BSF diagram

Thanks to the forwards and backwards compatibility of Squire Technologies’ SIGLA platform, the SVI_BSF module can co-exist with a 4G Diameter Routing Agent (DRA) or Diameter Edge Agent (DEA) module to provide binding support for both 4G and 5G networks at the same time.

Deploy in any environment. The SVI_BSF can run on commercial off-the-shelf hardware, in a virtual machine environment on data servers, or fully virtualised in the cloud as a Virtual Network Function (VNF) in AWS, Azure, OpenStack, Nokia, Oracle Cloud and Google Cloud infrastructures.

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High Availability

Carrier-grade reliability is supplied through a comprehensive range of high-availability options.

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Specifications

Supporting multiple interface types, including support for HTTP/2, 5G SA core, IMS / 4G / LTE and legacy SS7 TDM, and NGN IP SIGTRAN.

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OA&M

A comprehensive web-based management system delivers on-board configuration, monitoring and debugging.

Commercial Off The Shelf

Supplied on standard Dell servers.

Virtual or Cloud Deployment

Virtual Machine deployed on industry-standard servers in a data centre environment using a hypervisor, i.e. VMware, or Cloud deployment as Virtual Network Function (VNF) in AWS, Azure, OpenStack, Nokia, Oracle Cloud and Google Cloud infrastructure.

Enhanced Network Functions

Network functions are faster with network function virtualisation architectures and containerisation.

Trusted by Customers Worldwide

Squire Technologies solutions enable over 30 billion transactions per second and 11 trillion transactions per year. We have deployments in over 6 continents, in 150+ countries and with 400+ customers. 

30

Transactions per second

11

Transactions per year

400

Telecom Operators

150

Countries

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