Telecommunications Network Management into the 21st Century

Abstract

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Real-time performance monitoring and anomaly detection in the Internet: An adaptive, objective-driven, mix-and-match approach

“…[30][31][32] With the advent and explosive growth of the global Internet and electronic commerce environments, adaptive/automatic network and service anomaly detection in IP wide area data networks and IP-based e-commerce infrastructures (for example, Web-based transaction infrastructures) is fast gaining critical research and practical importance. 5 Therefore, being able to proactively detect performance degradations (termed "soft" faults 1-5 as opposed to "hard" alarms/failures 24,25,[30][31][32] ) in networks and their services is becoming crucial for speedy (that is, real-time) fault correction and recovery, and for prevention of the onset of network/service failures.…”

“…24 Most network elements such as routers and switches are equipped with software agents-for example, simple network management protocol (SNMP) agents-that can emit traps/alarms upon detecting exceptional states such as the condition of a router interface being down or the utilization of a network segment exceeding a predefined threshold (for example, a constant 80% threshold). Event correlation deals with inferring the root cause(s) of network faults from an avalanche of network alarms.…”

From service configuration through performance monitoring to fault detection: implementing an integrated and automated network maintenance platform for enhancing wide area transaction access services

“…The collection, organization, processing and reporting of data is fundamental to operations automation. 2,5 Consequently the data storage and management parts of Operations Support Systems (OSSs) by nature are based largely on database applications. An efficient OSS data architecture plan must tie all the OSSs together on a common infrastructure.…”

“…Specifically, since it is the main place in the TAS network for the storage and retrieval of provisioning, capacity management, customer profile data, and maintenance data, TIMATS closely interacts with the following processes: service provisioning, resource provisioning and inventory, network planning, fault management, performance management and billing. 2 The following list provides a summary of the TIMATS data and capabilities:…”

Network and service management for wide‐area electronic commerce networks

“…All those different type of applications present different traffic characteristics to the network, have different performance objective criteria, may require different quality of service, and create an immediate and pressing need for enhanced automated network management operations. 2,3 The success of network management will depend on three critical success factors: a wellorganized set of network management functions allocated and assigned to instruments and to human skill levels; proper instrumentation with the ability to extract integrated information, to export and import it, to maintain databases, and to provide analysis and performance prediction; personnel who understand their job responsibilities and possess the necessary qualifying skills. 4 In this paper we mainly focus on several aspects of the first two factors.…”