Element Management is concerned with managing network elements on the network element management layer (NEL) of the TMN (Telecommunications Management Network). An Element Management system (EMS) manages one or more of a specific type of telecommunications network elements (NE).

Manages functions and capabilities within each NE but does not manage the traffic between different NEs in the network.

Provides foundation to implement TMN – layered operations support systems (OSS) architectures for better operability and meeting stringent QoS requirements.

OSS Interoperability between EMS and NMS has reached great heights with the introduction of CORBA (Common Object Request Broker Architecture)

[edit] Element Management for Server Appliances

A server appliance is a computing entity that delivers predefined services through an application-specific interface with no accessible operating software. In order to develop a true server appliance, the end-user must be shielded from managing the solution as a general purpose server.

An Element Manager routinely audits the operational condition of core elements, including CPUs, power supplies and disk drives. In the event of hardware or software malfunctions, crashes, runtime errors and system boot failure, the Element Manager phones home and automatically generates a maintenance request. The use of standards-based mechanisms such as SNMP and Syslog ensures full integration with today’s network management systems and provides a unified view of system-wide functionality. The Element Manager uniquely manages the software as an image and not just a collection of software parts.

An Element Manager also includes update services that automate the process and management of delivering updates, patches and other upgrades to server appliances deployed in field, including the operating system and all related applications. The update service provides a secure phone home point for delivering encrypted manifests and patches in the field.

[edit] Sources

EMS FAQs
EMS related case studies
EMS related PDF Documents for download
EMS related Blogs to find definitions and q&a's
Overview of Element Management System
ACE Element Manager - NEI

Server Appliances - NEI

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