网路管理相关技术.ppt

Agenda 網路發展循環與趨勢 網路管理分類 網路管理相關技術與應用 網路管理的未來 網路發展循環與趨勢 網路發展循環與趨勢 Networks are Increasing in scale and complexity No longer just managing the elements, but the services across it as well QoS, security, uptime, availability Ethernet, Internet 802.11 WIFI WLAN WiMAX ?? 網路管理的分類(FCAPS) ISO defines five functional area of network management Fault Management Configuration Management Accounting Management Performance Management Security Management 網路管理的分類(Fault Management) The process of locating, diagnosing, and correcting network problems 網路管理的分類(Configuration Management) The process of obtaining data from the network and using that data to manage the setup of all network devices Allows access to configuration information Facilitates remote configuration and provisioning Provides an up-to-date inventory of network components 網路管理的分類(Accounting Management) Measuring the usage of network resources by users in order to establish the metrics, check quotas, determine costs and bill users Measures and reports accounting information based on individual groups and users Administers the cost of the network Internal verification of third-party billing for usage 網路管理的分類(Performance Management) Ensuring that the data network remains accessible and has adequate bandwidth Reduces network overcrowding and inaccessibility Provides a consistent level of service to the network user Determine utilization trends to proactively isolate and solve performance problems 網路管理的分類(Security Management) Protecting sensitive information on devices attached to a data network by controlling access points to that information Build network user confidence Secures sensitive information from both internal and external sources Protects the network functionality from malicious attacks 網路管理相關技術 SNMP SNMPv1,SNMPv2, SNMPv3 MIB RMON Syslog Netflow/sFlow 網路管理相關應用(Fault Management) Event logging Syslog server Event consolidation Event correlation Expert system Environment Monitoring Temperature, power Alarm/Automatic