As network systems become more complex, the reliability and manageability of the entire system becomes more and more important. The high availability of the network includes the monitoring of hardware and software faults and fault recovery. When hardware and software are abnormal, seamless recovery is achieved through redundancy and state synchronization to ensure uninterrupted system services. At the same time, it also undertakes communication, debugging and software upgrade management of distributed systems. Manageability is mainly for the automatic communication between the northbound interface and the southbound interface for complex network node environments (including cloud-based or NVF-based virtual nodes), including asynchronous update and notification mechanisms for configuration data and status data to implement the entire system. Management and maintenance. Enea Element mainly implements distributed management, high availability management, CheckPoint, In Service software upgrade, embedded device management, rack management, LOG management and other functions required by HA. Based on Element, the development and maintenance workload of users deploying HA applications can be greatly reduced. Embedded Management is a standard, modular management system middleware designed for embedded devices. The northbound interface (Northbound API) and the southbound interface (Southbound API) are externally integrated with the operation management system and application. Modeling through YANG language realizes configuration data of embedded devices and real-time management of running state data. Element has 10+ years of field application success stories, such as successful deployment to key areas such as telecommunications equipment, satellite control and defense industry. LINX-based messaging mechanism: Provides a reliable, high-speed inter-process communication mechanism, and transparent transmission mechanism for message publishing/subscription, flow control, and naming services. Debugging framework: Provides system and debugging tools. Debugging tools can provide customizable command services, message trace tracking services. Provides web-based and CLI-based command human-machine interfaces for easy configuration and monitoring of the entire system. System LOG service; common tools: Provides a common API framework and data type conversion capabilities. Error Management: Provides system operation monitoring, status detection, event-driven strategy, and fault proactive notification. The AMF framework is fully compliant with the SAF B.02.01 standard. Supports AMF requirements for 2N, N+M, N-Way, N-Way AcTIve and No Redundancy multiple redundancy model combinations. Checkpoint Service: Element provides a lightweight real-time database to dynamically protect system state information. Abnormal state history: The abnormal conditions of various components in the system can be dynamically recorded and analyzed and tracked. Provides hardware and software interfaces that conform to standard HPI, seamlessly adapts to mainstream ATCA hardware, and supports hardware hot plugging. Node Management: Provides discovery, status monitoring, and HPI management capabilities. Alarm service: Provides hardware exception alarms. Provides a complete online upgrade to avoid disrupting existing ongoing operations during the upgrade process. Provides seamless online upgrades to Element itself and user programs. Embedded Management's standard, modular management system middleware for embedded devices. The northbound interface (Northbound API) and the southbound interface (Southbound API) are externally integrated with the operation management system and application. Modeling through YANG language realizes configuration data of embedded devices and real-time management of running state data. CLI: Similar to the Juniper command line interface XML-RPC: Based on http-based XML-RPC YANG model Organize system configuration and data based on YANG model Support RPC direcTIve Support for complete data types Support for Session and AAA authentication mechanisms Provide mediaTIon layer to support the Session mechanism Integrated AAA authentication mechanism to provide access control Provide account audit information record ACID TransacTIon Support Support Transaction rollback Rollback operation Configure redundant data storage to ensure reliable configuration Configuration data management Configuration data can be exported, imported and permanently saved Support both running and startup configuration storage Southbound interface API Configuration data, configuration update based on configuration object level Status data, configuration updates based on state object level After the configuration data is changed, the application is notified through the asynchronous API interface. Element for uTCA / ATCA platform provides: There are 2 control boards and 4 high-speed data boards inside the Cluster to form 6 Nodes. The Node is interconnected by a high-speed Ethernet card and fiber optics, and the software is interconnected via Enea LINX. Element performs high-availability management of components in the entire system and implements running state backup and recovery through Checkpoint The system runs the Polyhedra in-memory database for massive data management Node uses carrier-grade Enea Linux to provide an operating system platform for the entire Cluster The user background can configure, manage, and query the system through the CLI or Web. The Element Cloud platform provides: Configuration data and operational status data configuration management Standard SAF High Availability Redundancy Solution HA function based on state backup System monitoring Software upgrade management Software release update ACL-based access control configuration operation Cloud-based distributed communication uses the LINX over TCP/IP architecture and integrates with OpenStack.
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