SVI-DRA DIAMETER ROUTING AGENT

Centralised Routing and Reduced Complexity

The SVI-DRA (Diameter Routing Agent) is at the core of a Diameter network providing comprehensive, carrier-grade traffic management enabling service providers’ IMS and LTE core networks to run smoothly.

Diameter Routing Agent DRA

Sitting at the centre of a Diameter signalling network is the Diameter Routing Agent or SVI-DRA reducing complexity. High-volume traffic is managed through dynamic load balancing and configurable throttling whilst multi-vendor support is provided by onboard mediation.

Powerful routing, filtering and message manipulation are available as standard with complex policy building provided through the onboard policy engine. NFV compliant the SVI-DRA provides a secure, scalable, high-availability platform providing total control of an operator’s Diameter network.

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HPMN Home Public Mobile Network

At the core of the DSC is the Diameter Routing Agent or DRA. The DRA centralises the routing of Diameter messages within a service provider’s IMS and LTE core.

Mediation Platform
The DRA acts as a mediation platform allowing complex routing and normalisation of messages across the Diameter network.
Load Balancing
The DRA provides load balancing and throttling to insure the optimum management of the Diameter network.
Sophisticated Throttling
Multiple Transaction Criteria Records (TCRs) can be created to define transaction allowance and actions to take; queue, ignore and reject transactions.
Session Binding
Bind a session to one or a cluster of devices. Start bind – Configure message or AVP to initiate bind. End bind on receipt of correct response or timeout.
Diameter Dictionaries
Define Diameter Messages, AVP formats, contents and ENUM resolution. 3GPP and vendor-specific dictionaries can be used.
Message Filtering
Applied to avoid known issues by comparing message headers and AVP contents against configured black lists and white lists.
Redirects
DRA can act as a redirect server, redirecting messages to other services, and providing advanced load balancing and throttling.
Centralised Routing
DRA provides centralised routing based on message headers and AVPs, re-attempts, load balancing profiles and external lookups.
Message Manipulation
Regular-expression-based manipulation of message header and AVP contents allows for removal, creation and replacement.

High Availability

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

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Specifications

Supporting multiple interface types and legacy SS7 TDM, NGN IP SIGTRAN and IMS / LTE / 4G support.

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OA&M

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

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Training Videos

Watch our series of Diameter Signalling training videos and find out more about our Diameter products.

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Commercial Off The Shelf

Supplied on standard Dell servers optionally with dedicated E1/T1/STM-1 support.

Virtual Deployment

Virtual Machine deployed on industry-standard servers in a data centre environment using a hypervisor, i.e. VMware.

Cloud Deployment

Delivered as a Virtual Network Function (VNF) in AWS, OpenStack, Nokia and Google cloud infrastructure.

Solving the 4G LTE Mobile Roaming Puzzle Whitepaper

Squires Technologies looks at the challenges faced by operators providing roaming services to their subscribers, as the number of 4G LTE networks increases.

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