Friday, 29 July 2016

Network Maintence Model

Network maintenance model
1.       FCAPS:
è        It stands for fault management, configuration management, accounting management, performance management and security management.
Fault Management: Use network management software to collect information from routers and switches. Send an e-mail alert when processor utilization or bandwidth utilization exceeds a threshold of 80 percent. Respond to incoming trouble tickets from the help desk.
Configuration management: Require logging of any changes made to network hardware or software configurations. Implement a change management system to alert relevant personnel of planned network changes.
Accounting Management: Invoice IP telephony users for their long-distance and international calls. Keeping track of what is being done on the network and when it is being done.
Performance management: Monitor network performance metrics for both LAN and WAN links. Deploy appropriate quality service (QoS) solutions to make the most efficient use of relatively limited WAN bandwidth, while prioritizing mission-critical traffic.
Security Management: Deploy firewall, virtual private network and intrusion prevention system(IPS) technologies to defend against malicious traffic. Create a security policy dictating rules of acceptable network use. Use an authorization, authentication and accounting (AAA) server to validate user credential, assign appropriate user privileges and log user activity.
è       It defined by ISO.

2.       ITIL
è      IT infrastructure library defines a collection of best practice recommendation that work together to meet IT business management goals.

3.       CISCO lifecycle service
The cisco lifecycle services maintenance model defines distinct phases in the life of a cisco technology in a network. These phases are prepare, plan, design, implement, operate, and optimize. As a result, the cisco lifecycle services model is often referred as the PPDIOO model.

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