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Cloud Native

API Exposure Functions

DIAMETER

built by slicce

Enhance the 4G network functions with your self-made services

Slicce DIAMETER API Exposure Function provides a modern, simple approach to integrating DIAMETER functionalities into your applications using a straightforward REST API.

  • Lightweight docker image
  • Orchestrated via ConfigMap or API
  • Ultra-reliable & high performant
  • Carrier-grade alarms and KPIs

The role of DIAMETER in the 4G network

DIAMETER is a protocol used in 4G networks primarily for authentication, authorization, and accounting (AAA). It is a successor to the older RADIUS protocol and provides more advanced and secure capabilities that are critical for modern networks like 4G. Here’s a breakdown of its role in 4G networks:

  • Authentication: DIAMETER is used to verify the identity of users and devices connecting to the network. This ensures that only authorized users or devices can access services. In 4G, authentication typically involves processes such as subscriber authentication using IMSI (International Mobile Subscriber Identity) or other identifiers.
  • Authorization: Once a user or device is authenticated, DIAMETER is used to check whether the user is authorized to access specific services or resources on the network. This involves validating service policies and network configurations for that particular user.
  • Accounting: DIAMETER handles accounting, which involves tracking and recording usage data for services accessed by users. This includes monitoring data usage, session time, and other relevant metrics. This helps in billing processes, especially in mobile data plans.
  • Policy Control: DIAMETER plays a critical role in enforcing policy decisions, such as managing bandwidth usage, service quality, or restrictions for a specific user or group of users. In 4G networks, this is critical for ensuring efficient resource management and delivering a quality user experience.
  • Interoperability and Scalability: DIAMETER offers enhanced scalability compared to RADIUS. It supports a wider range of applications and services, which is essential in 4G networks, where various service types (voice, video, data) and network elements (e.g., gateways, PCRF) must work together seamlessly.
  • Security: DIAMETER provides stronger security features than RADIUS, including support for more sophisticated encryption and integrity checks, which is crucial for protecting sensitive data in 4G networks.
  • Integration with Other Protocols: DIAMETER is often integrated with other key protocols in 4G, such as the Policy and Charging Rules Function (PCRF), to enable dynamic policy decisions in real-time based on user behavior, network conditions, and other factors.
Cloud Native api exposure functions CAMEL gateway DIAMETER gateway SIP gateway MAP gateway USSD gateway SMS gateway SMS and Charging Interworking functions cloud native SS7 load balancers cloud native diameter load balancer cloud native sip load balancer cloud native GTP load balancer

How DIAMETER AEF helps developers in the 4G network

The DIAMETER AEF provides a set of tools and functionalities designed to simplify the interaction with the DIAMETER protocol in modern network applications. In 4G networks, DIAMETER plays a critical role in authentication, authorization, accounting, and policy control. However, directly working with the DIAMETER protocol can be complex. The DMT AEF simplifies this process for developers, offering an abstraction layer that facilitates seamless interaction with DIAMETER services.

Here’s how DIAMETER AEF benefits developers:

  • Simplified Integration: The DMT AEF offers a higher-level API abstraction over DIAMETER, making it easier for developers to integrate DIAMETER-based functionalities without diving into the complexities of the protocol’s message formats and transport mechanisms.
    Developers can now interact with DIAMETER services (authentication, authorization, accounting) via simple API calls instead of manually handling low-level message encoding, decoding, and connection management.
  • API Exposure for Legacy Systems: Existing network elements and services in 4G infrastructure may already utilize DIAMETER behind the scenes. The DMT AEF enables modern applications to access these services through a simple API layer, making it easier to connect new software solutions to legacy network elements. It simplifies communication with crucial network components like PCRF (Policy and Charging Rules Function), HSS (Home Subscriber Server), and AAAs, abstracting the underlying DIAMETER complexities.
  • Faster Development Cycles: By using the DMT AEF, developers can focus on their application logic rather than dealing with the intricacies of DIAMETER. This enables faster development, prototyping, and deployment of services that require authentication, policy enforcement, and accounting functionalities.
    This reduces the time spent on understanding DIAMETER and speeds up the overall development cycle for new services.
  • Standardized Interfaces: The DMT AEF ensures that developers interact with DIAMETER via standardized interfaces. This reduces the risk of errors, compatibility issues, or vendor-specific implementation quirks. The standardized approach helps developers build cross-platform and cross-vendor applications that are more robust and compatible with a variety of network infrastructures.
  • Flexible Service Integration: Developers can use the DMT AEF to create applications that interact with a variety of network services, from managing user authentication and authorization to handling policy control and accounting. This flexibility is crucial when integrating with existing telecom management tools, billing systems, customer care applications, or custom solutions that require real-time policy and charging decisions.
  • Enhanced Security and Scalability: The DMT AEF incorporates the security features already built into DIAMETER, including encryption, authentication, and integrity checks. Developers don’t need to implement security manually and can rely on the API to provide secure communication between systems.
    Furthermore, since DIAMETER is highly scalable, the DMT AEF ensures that applications built on it can scale to handle growing volumes of data and users without sacrificing performance.
  • Support for Real-Time Operations: The DMT AEF supports real-time operations, allowing applications to interact with the network in real time. For instance, developers can make real-time decisions about service quality, policy enforcement, and data usage based on the current conditions of the network.
    This feature is essential in modern 4G networks, where real-time monitoring and dynamic service delivery are critical for maintaining quality and user satisfaction.
  • Interoperability with Other Technologies:With the DMT AEF, developers can integrate DIAMETER-based functionalities with other protocols and technologies, including REST APIs. This interoperability is key to creating hybrid solutions that combine the reliability of DIAMETER with modern web technologies, making it easier to build and deploy advanced services.
  • Monitoring and Analytics: The DMT AEF also provides monitoring and analytics capabilities. Through its APIs, developers can track data related to user activities, policy enforcement, authentication requests, and accounting records. This is particularly useful for network operators and developers who need visibility into the network and want to make informed decisions based on real-time data and performance metrics.
  • Flexibility for Custom Applications: Developers can use the DMT AEF to create custom applications that leverage DIAMETER for a variety of purposes, from personalized billing systems to service quality management and user experience optimization. The DMT AEF provides the flexibility to create tailored solutions that dynamically adjust user policies, service quality, and access controls based on specific needs.
DIAMETER AEF as a standalone microservice DIAMETER AEF as a standalone microservice

Develop converged applications mixing MAP AEF APIs and other API sources

By integrating multiple APIs into an app, you can significantly enhance its intelligence and functionality. Leveraging diverse APIs—such as MAP API for location data, SMS/MMS APIs for communication, IoT APIs for device interaction, and Analytics APIs for insights—enables the app to process real-time data, personalize user experiences, and automate tasks. This interconnected approach allows for smarter decision-making, improved performance, and dynamic user interactions, ultimately creating an app that is more adaptive, responsive, and efficient in addressing user needs.

DMT AEF as part of a workload DMT AEF as part of a workload

functional specs

Software packagingDocker image, RPM or DEB package.
S6aMME to HSS
S6dSGW to HSS
GxPCEF to PCRF
GyPGW to OCS
SyPCRF to OCS
RoCSCF to OCS
RfCSCF to OCS
ShMTAS to HSS
S13MME to EIR

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