Reliable Distributed Network Management by Replication
Journal of Network and Systems Management
Traffic flooding attack detection with SNMP MIB using SVM
Computer Communications
Design and Implementation of an SNMP-Based Traffic Flooding Attack Detection System
APNOMS '08 Proceedings of the 11th Asia-Pacific Symposium on Network Operations and Management: Challenges for Next Generation Network Operations and Service Management
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Abstract: A network management system must be fault-tolerant in order to provide the required fault management functionality. It is often useful to examine MIB objects of a faulty agent in order to determine why it is faulty. This paper presents a new framework for replicating of SNMP management objects in local area networks. The framework is based on groups of agents that communicate with each other using reliable multicast. A group of agents provides fault-tolerant object functionality. A SNMP service is proposed that allows replicated MIB objects of a faulty agent of a given group to be accessed through fault-free agents of that group. The presented framework allows the dynamic definition of agent groups, and management objects to be replicated in each group. A practical fault-tolerant tool for local area network fault management was implemented and is presented. The system employs SNMP agents that interact with a group communication tool. As an example, we show how the examination of TCP-related objects of faulty agents have been use d in the fault diagnosis process. The impact of replication on network performance is evaluated as well as a probabilistic analysis of replicated object consistency.