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

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.

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INDEX TERMS

Primary Classification:
  C. Computer Systems Organization
  C.2 COMPUTER-COMMUNICATION NETWORKS
      C.2.3 Network Operations
          Subjects: Network management

Additional Classification:
  C. Computer Systems Organization
  C.2 COMPUTER-COMMUNICATION NETWORKS
      C.2.2 Network Protocols
          Subjects: Protocol verification; Applications (SMTP, FTP, etc.)
      C.2.3 Network Operations
          Subjects: Network monitoring
  C.4 PERFORMANCE OF SYSTEMS
      Subjects: Measurement techniques; Design studies

General Terms:
Algorithms, Management, Performance