In-service QoS monitoring of real-time applications using SM MIB

  • Authors:
  • Yong-Hoon Choi;Iksoon Hwang

  • Affiliations:
  • RAN S/W Group, System S/W Dept, System Research Lab., LG R&D Complex, 533 Hogye-Dong, Dongan-Gu, Anyang-City, Kyongki-Do 431749, Korea;LG Electronics Inc.

  • Venue:
  • International Journal of Network Management
  • Year:
  • 2005

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Abstract

Current network management needs an end-to-end overview of various flows rather than the information that is purely local to the individual devices. The typical manager-centric polling approach, however, is not suitable to understand network-wide behavior of a large-scale Internet. In this paper, we propose a new management information base (MIB) approach called Service Monitoring MIB (SM MIB). The MIB provides a network manager with dynamic end-to-end management information by utilizing special packets. The special packet is an Internet control message protocol (ICMP) application that is sent to a remote network element to monitor Internet services. The SM MIB makes an end-to-end management feasible while it reduces management-related traffic and manager-to- manager interactions. Real examples show that the proposed SM MIB is useful for end-to-end QoS monitoring. We discuss the accuracy of the obtained data as well as the monitoring overhead.