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MATRIXX Architecture
CAMEL Gateway
In a MATRIXX environment in which Call Control Framework (CCF) is enabled, you can deploy multiple CAMEL Gateway servers in separate pods outside MATRIXX Engine.

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- About MATRIXX Architecture
  MATRIXX Architecture provides a high-level overview of MATRIXX core components and functionality. It also provides reference architectures for MATRIXX deployments.
- MATRIXX Introduction
  MATRIXX is a real-time, transactional system designed to more efficiently support the growing volume and complexity of services that require real-time processing.
- MATRIXX Overview
  MATRIXX core components receive network messages, perform event-transaction processing, archive data needed for engine high availability or for disaster recovery, and publish or store event-transaction data for use by other systems.
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  MATRIXX SBA Gateway provides a 5G interface for a Charging Server (OCS) and converged charging service (CCS) (including authorization and authentication) and is the consumer for Nchf_ConvergedCharging and Nchf_SpendingLimitControl for spending limit reporting. It is delivered as several images.
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  MATRIXX TM Forum Gateway (TMF Gateway) is deployed in a cloud native environment and implements the set of TMF microservice APIs supported by MATRIXX.
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  MATRIXX Business API Gateway includes the Rest Services (RS) Gateway and Gateway Proxy that translate REST and Java communication into the MATRIXX Data Containers (MDCs) that the other MATRIXX components use to communicate. This gateway is implemented as a high availability (HA) pair for reliability.
- MATRIXX Business API SDK
  The Business API SDK is a framework that includes a set of tools to manage, customize, and extend RS Gateway for your business needs.
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  The MATRIXX Traffic Routing Agents (TRAs) load balance and route traffic among the MATRIXX components and provide high availability (HA) protection. Depending on their function, the TRAs can also load balance traffic and serve as a Diameter peer. In addition to HA protection, TRAs also provide a single virtual IP address point of access for BSS systems and network nodes to send network traffic to.
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  The MATRIXX SIGTRAN Network Enabler is a MATRIXX service that load balances TCAP messages across the MATRIXX Engine processing servers, which provides charging and balance control operations. In terms of RFC4666 (M3UA), each Network Enabler acts as a signaling gateway process (SGP) and the MATRIXX services on the processing servers act as application server processes (ASPs).
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  Used in environments in which the MATRIXX Event Streaming feature is enabled, or where event loading with MATRIXX Event File (MEF) is used, the Event Streaming Framework is a gateway that connects a MATRIXX Engine cluster to external systems that consume the event streams.
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- MATRIXX Security
  MATRIXX should be deployed within a secure area of a carrier's network. Servers should have limited access points for event processing, business support systems, maintenance and monitoring, and local access.
- CAMEL Gateway
  In a MATRIXX environment in which Call Control Framework (CCF) is enabled, you can deploy multiple CAMEL Gateway servers in separate pods outside MATRIXX Engine.
  - CAMEL Gateway Deployment Architecture
    ccf/c_ext_camel_gw_arch.html#concept_t2j_c21_rwb__fig_e5s_w21_rwb shows the connections between CAMEL Gateway, Network Enabler, and MATRIXX Engine when CAMEL Gateway servers are deployed in a Kubernetes cluster in separate pods from MATRIXX Engine.
  - CAMEL Gateway Single Sub-Domain Deployment
    In Call Control Framework (CCF) deployments where there is a single sub-domain in a single Kubernetes cluster and CAMEL Gateway is deployed outside MATRIXX Engine, Network Enablers (NEs) connect directly to CAMEL Gateway pods, which connect directly to the engine processing pods through Kubernetes ClusterIP services.
  - CAMEL Gateway Multi Sub-Domain Deployment
    Sub-domain routing is required for Call Control Framework (CCF) deployments where there are multiple sub-domains in a single Kubernetes cluster.
- MATRIXX Traffic Routing Agent DR Features
  MATRIXX Traffic Routing Agent (TRA) provides an isolation layer between the network and the MATRIXX Engines configured as a Disaster Recovery (DR) group. It is installed on a pod located between the network and the MATRIXX Engine DR group and provides a single virtual IP address to which the network sends traffic independent of which engine is active at any given time.
- Transaction Replay
  Transactions are replayed first from all MATRIXX Engine processing pods in an engine to the active publishing pod in that engine. This creates the first redundant set of transaction events.
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Glossary

CAMEL Gateway

In a MATRIXX environment in which Call Control Framework (CCF) is enabled, you can deploy multiple CAMEL Gateway servers in separate pods outside MATRIXX Engine.

In a Kubernetes cluster, you can deploy multiple cloud native CAMEL Gateway pods in the same access group as Network Enabler (NE). Each separate CAMEL Gateway pod connects to the processing pods in a specific MATRIXX Engine sub-domain.

The Route Cache for sub-domain routing is held on NE servers. When processing network traffic, NEs look up the sub-domain in the Route Cache and load share the traffic for each sub-domain across all the CAMEL Gateways on that sub-domain. CAMEL Gateways then load share the network traffic across all active processing servers to which they are connected.