| Summary: | 碩士 === 國立交通大學 === 資訊管理所 === 91 === In the beginning, the network was designed for academic or military use, and there was not any network management issue since the scale of the network was still small. With the network developing, there are more and more various information provider and online services through the network. The system techniques are also developed from single-tier to multi-tier architecture. In the multi-tier system architecture, all network tiers are independent. The network devices and hosts placed in difference tiers cannot connect each other, include the network management information.
To solve this problem, a reliable data replication model for SNMPv1 proxy was proposed. The proposed model can eliminate the single failure point problem of SNMP proxy in the multi-tier network architecture.
The proposed proxy architecture also integrates the cache mechanism and stores the managed SNMP MIB object values in the local cache storage. When the managed devices or hosts crashed, network administrator can retrieve latest object values from the cache of proposed proxy to assist the investigation of network fault management.
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