Telco Core Platforms | Diameter Portfolio
Diameter solutions with unique capabilities and carrier grade performance
The Diameter protocol is a crucial signalling protocol used in modern telecommunications networks, particularly for authentication, authorization, and accounting (AAA) functions. Diameter provides the framework for determining whether a user can access a network (authentication), what services they are allowed to use (authorization), and tracking their usage for billing purposes (accounting).
Effortless integration. Lightning-fast performance. Built for what’s next.
2.5ms
MSISDN / IMSI Lookups against DB of 20m subs
322 k/s
Transforms: Adding / Deleting / Adjusting AVP’s
252 k/s
Transforms: Adding / Deleting / Adjusting the structure of AVP’s
High Performing Diameter Interworking
Diameter <> RADIUS
Diameter <> CAP/CAMEL
Diameter <> Bespoke
Telco Core Platforms | Diameter Portfolio
Diameter solutions with unique capabilities and carrier grade performance
The Diameter protocol is a crucial signalling protocol used in modern telecommunications networks, particularly for authentication, authorisation, and accounting (AAA) functions. Diameter provides the framework for determining whether a user can access a network (authentication), services they are allowed to use (authorization), and track their usage for billing purposes (accounting).
Effortless integration. Lightning-fast performance. Built for what’s next.
2.5ms
MSISDN / IMSI Lookups against DB of 20m subs
322 k/s
Transforms: Adding / Deleting / Adjusting AVP’s
252 k/s
Transforms: Adding / Deleting / Adjusting the structure of AVP’s
High Performing Diameter Interworking
Diameter <> RADIUS
Diameter <> CAP/CAMEL
Diameter <> Bespoke
The TruTeq Diameter Portfolio’s adaptability and enhanced features have made it an essential component of next-generation mobile networks.
Why Choose TruTeq’s Diameter Solutions?
Diameter is a framework rather than a fixed protocol – it is heavily dependent on attribute values (AVPs) and their content. Because vendors implement Diameter differently, there is a requirement for a solution that can normalize these protocols to a common standard and provide routing between any Diameter-capable elements.
Scalable
Architecture
Efficient in-memory cache with replication across nodes. Improves performance and simplifies architecture. All nodes become aware of transaction states.
Future-Proof Technology
Many common telecommunications and banking interfaces already supported and the TruTeq software framework makes it possible to rapidly add more.
Lower Cost of Ownership
Supports encrypted interfaces and token-based authentication. Trusted by telecommunications and banking customers.
Rapid Service Deployment
The API Gateway can perform protocol translations; it is not limited to a single interface technology. Allows modern services to communicate with legacy systems.
Seamless Multi-Network Integration
More than just an API Proxy. Enables response transformations and customised business logic based on a variety of factors.
Diameter Portfolio
Diameter Routing Function
The TruTeq Diameter product suite simplifies all Diameter related integrations. The transform and normalising capability ensures seamless integrations between different vendors and partners.
Interoperability & Integration
Supports all DRA related functions/procedures as specified by 3GPP TS 23.203.
Sophisticated Load-sharing
The system as a whole distributes messages to connected, external elements based on either a Round-Robin equal load algorithm, or in a master/failover mode. Each external entity can be configured to suit the performance of that node.
Advanced Routing
Routing decisions can be made in real time based on various information elements, either on information inside the diameter packet (i.e., one or more AVPs), a local provisioning DB or based on an external interface that supplies information supplied by an external query.
Virtual Mobile Network Support
TruTeq’s Diameter Router is an ideal solution for MNOs, MVNEs or MVNOs who need to simplify complex integrations and need to ensure that charging or service requests reach the right destination.
Diameter Portfolio
Diameter Edge Agent
The Diameter Edge Agent (DEA) relays messages, acting as a proxy, which is vital for network scalability and security especially when connecting to parties outside of your secured core network.
Topology Hiding
The DEA masks internal network elements by normalising all diameter exchange information and screening external connection points from internal Diameter nodes. No internal element will communicate directly with an external element.
Roaming Services
For services such as LTE roaming, a DEA is essential.
Connections via hubs or directly to foreign / partner networks all pass via the Edge Agent to protect your home network and to simplify architecture and integration efforts.
Security
- All DEA nodes and other TruTeq Diameter nodes have on-board firewall capability.
- Protection from Diameter flooding attacks.
- Diameter message validation ensures that malicious events do not reach your core network.
Message Normalisation and Validation
All diameter messages can be subject to message validation; using specialised transforms to normalise and validate specific AVPs inside the Diameter message.
Only the DEA transform needs to be adapted when a partner interface changes, internal systems remain unaffected. Changes in external or internal networks do not require complex re-integrations
Diameter Portfolio
Diameter Proxy
The TruTeq Proxy Agent can act as both a Proxy and Relay at the same time. The Diameter proxy acts as an intermediary, sitting between the Diameter clients and servers. This allows for many useful functions that would be difficult or impossible without the proxy.
Transforms
Multiple transforms can be performed at either entry or exit points.
Transforms can be applied on either request or answer messages.
Protocol Adaption & Translation: TruTeq specialises in the more complex Diameter Translation requirements. The TruTeq translation capabilities go much further than simply translating from one implementation of Diameter to another.
Real-time translation, interworking and mediation capabilities.
Protocol Adaption & Translation
The TruTeq Proxy can be employed to do reliable, high-speed translation between Diameter and legacy network protocols or vendor specific protocols.
Existing Interfaces
A large existing Interface library is available that caters to several Ericsson, Huawei, NSN diameter variants, as well as Redknee’s IN interface, Alcatel, ZTE, various ASN.1, LDAP and custom TCP/IP integrations.
Transform Hot Deployment
Allows loading of new transform code on-the-fly through the use of dynamic class path configurations, resulting in zero downtime. Simple configuration changes are made through a web GUI using role-based access.
Diameter Portfolio
Diameter AAA Server
Diameter plays a crucial role in Authentication, Authorization, and Accounting (AAA) within modern telecommunications networks, particularly in 4G/LTE, 5G, and beyond.
Centralized AAA
Diameter servers provide a centralised platform for handling AAA functions, replacing older protocols like RADIUS. This allows for consistent and scalable management of user access and service usage.
Subscriber Locater Function
The SLF module uses signalling information to determine subscriber location. If additional interfaces are available to determine subscriber location, these can be implemented within the SLF, or as a stand-alone sub-system which will be customised to requirements.
Real-time Accounting
Diameter supports real-time accounting, allowing network operators to track user activity and service consumption accurately. This is vital for billing and usage monitoring.
Policy Enforcement
Diameter enables dynamic policy enforcement based on user profiles, network conditions, and service requirements. This is essential for managing quality of service (QoS), charging, and access control.
Diameter Portfolio
Diameter
Protocol Converter
The CAMEL Application Part (CAP) is a signalling protocol used in the Intelligent Network (IN) architecture. TruTeq offers a CAP to Diameter protocol converter module as an enhancement to the Diameter suite.
CAP / CAMEL
CAP has been defined in the 3GPP specifications in four phases, each of which has an accompanying specification that builds upon the previous phase.
Protocol Conversion
The module is able to accept CAMEL Phase 2 based events via an SS7 interface, transform those events into the required Diameter format, route those events to the OCS and then reply with a CAMEL Phase 2 response according to the Diameter reply from the OCS.
Diameter based charging without reintegrating existing services
Integrate existing CAP based custom service logic with your modern Online Charging System. This allows you to continue offering Value Added Services implemented with CAP, along with the powerful flexibility of Diameter based charging.
Diameter Portfolio
Diameter – OCS Bypass
Intelligent bypass of OCS responses to ensure no service disruption for certain customer categories
Bypass
The OCS Bypass Module uses the TruTeq transform capability to send automatic replies to core network charge requests, without the need for a reply from the OCS.
For instance, in cases where the OCS becomes unavailable due to overload or maintenance work, the TruTeq Diameter node can be placed into Intelligent Bypass mode, where it responds with positive acknowledgements to charge requests from the core, allowing services to continue for customers or a subset of customers.
Intelligent Bypass
The bypass may be limited to a subset of customers or a subset of service types:
- A white list of customers (usually identified by IMSI) may be provisioned on the node. When Bypass mode is toggled ON, those customers’ services will always remain available.
- Transforms may also be created for each relevant bearer type, e.g., Voice, SMS, Data, etc.
Data Records
While Intelligent Bypass is toggled on, the node retains CDRs for later ingestion and reconciliation by the OCS or BSS stack.
Diameter Portfolio
Diameter – Diameter Transform Engine
A core feature of the TruTeq Diameter Portfolio
Diameter Transform Engine
The Diameter Transform Engine can, in real time, modify Diameter command content in order to alter it to a peering element’s requirements.
Provides compatibility between different elements and value-added services, enforcing business rules on different commands, performing administrative tasks for a specific realm or generating service triggers to other core systems.
Connections and transforms to destination peers are created and added in real time and require no restarts or downtime.
Used extensively in the Diameter Portfolio
Diameter transforms are used in:
- Diameter message validation and normalisation
- Interworking and mediation
- Policy Enforcement
- Protocol Conversion
- Intelligent Bypass
..and more
Diameter Portfolio
Diameter
Service Triggers
When one of the TruTeq Diameter Solutions are in use, it can also be utilised to create service triggers based on defined events passing through the node. Service triggers may be used to initiate various workflows, processes or messages.
Diameter Transform Engine
Service Triggers may be generated using TruTeq’s Diameter Transform engine to examine and act on the contents of Diameter messages passing through the system.
Using this capability, practically any Attribute-Value Pair (AVP) in a Diameter message may be used to initiate a service trigger.
API Integration
In simpler use cases, service triggers could be sent directly from the TruTeq Diameter node to the interface exposed by the systems in the core network.
More complex environments would use the <TruTeq API Gateway> to co-ordinate the flow of triggers.
Existing Support & Rapid Development
Likewise, TruTeq has references from satisfied customers, with successful integrations to a multitude of standards-based interfaces exposed by OSS & BSS systems.
Should a bespoke interface be required, TruTeq is able to rapidly integrate using the capabilities of the Diameter Transform engine and TruTeq API Gateway.
Diameter Portfolio
Diameter – Multiplexer
Deployed to assist with connection management and traffic distribution
Efficient use of the provisioned Diameter capacity
The Diameter MUX manages incoming Diameter connections and will establish its own binds to the configured primary nodes. The incoming traffic for new sessions is distributed evenly across the available primary nodes while updates to open sessions are routed to the primary node managing that session. This allows for efficient use of the provisioned Diameter capacity.
Message Copy Capability
The MUX can also send a copy of Diameter events to an alternate Diameter node. This may be all events, or a filtered subset. This is a useful capability for troubleshooting, QA and load-testing activities.
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