Network Management and SNMP
📅
What is network management? 🔗
An
autonomous system (a network)
consists of thousands of interacting hardware and software components.
Other complex systems that need monitoring and control include:- Jet aircraft.
- Nuclear power plants.
- Others?
Network managementinvolves deploying, integrating, and coordinating hardware, software, and human elements to monitor, test, poll, configure, analyze, evaluate, and control network and element resources, meeting real-time operational performance and quality-of-service requirements at a reasonable cost.
Network management infrastructure 🔗
Managing entity
: The central system that collects and manages data.
Managed device
: Each device being managed on the network.
Agent
: Software running on a managed device that collects data and sends it to the managing entity.
Network management protocol
: Handles communication between the managing entity and agents.
Management information base (MIB)
: Where data about managed devices is collected.A
managed device
contains managed objects
, whose data is collected in the management information base
(MIB).