A Policy Management Framework Using Traffic Engineering in DiffServ Networks

  • Elionildo da Silva Menezes
  • Djamel Fawzi Hadj Sadok
  • Judith Kelner
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1989)


The increasing growth and complexity of current corporate networks calls for higher level models and tools for managing network resources. In this sense, Service Level Management represents an important recent shift in system management. Furthermore, recently the IETF (Internet Engineering Task Force) DiffServ working group, has defined an architecture for implementing scalable service differentiation in the Internet, where network resources are allocated to traffic streams by service provisioning policies. This work presents and evaluates a functional architecture and a framework for mapping service management policies and constraints into DiffServ mechanisms. Various simulation scenarios described through the use of service policies are introduced and analyzed. It is shown that the use of service level management allows for efficient dynamic traffic engineering of DiffServ backbones.


Quality of Service DiffServ Service Level Management Network Management Policies 


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  1. 1.
    Awduche, D., et al.: Requirements for Traffic Engineering over MPLS. draft-ietf-mpls-traffic-eng-01.txt. June 1999.Google Scholar
  2. 2.
    Black, D.: An Architecture for Differentiated Services. RFC2475. December 1998.Google Scholar
  3. 3.
    Braden, R., Clark, D. & Shenker, S.: Integrated Services in the Internet Architecture: An Overview. RFC 1633. June 1994.Google Scholar
  4. 4.
    Braden, R., et al.: Resource ReserVation Protocol (RSVP). Version 1 Functional Specification. RFC 2005. September 1997.Google Scholar
  5. 5.
    Boyle, J., et al.: The COPS (Common Open Police Service) Protocol. draft-ietf-rap-cops-06.txt. February 1999.Google Scholar
  6. 6.
    Lewis, Dr. Lundy: Spectrum Service Level Management. Definition, Offerings, and Strategy. March 1998.
  7. 7.
    Calvert, Kenneth L., Doar, M. B. & Zegura, E. W.: Modeling Internet Topology. IEEE Communications Magazine. June 1997.Google Scholar
  8. 8.
    Case, J. D., et al.: Simple Network Management Protocol (SNMP). RFC 1157. May 1990.Google Scholar
  9. 9.
    Crawley, E., et al.: A Framework for QoS-Based Routing in the Internet. RFC 2386. August 1998.Google Scholar
  10. 10.
    Fielding, E., et al.: HyperText Transfer Protocol. HTTP/1.1. RFC 2616. June 1999.Google Scholar
  11. 11.
    Heinamen, J., et al.: Assured Forwarding PHB Group. RFC 2597. February 1999.Google Scholar
  12. 12.
    Howard, L.: An Approach for using LDAP as a Network Information Service. RFC 2307. March 1998.Google Scholar
  13. 13.
    InfoVistaTM-Service Level Management Solution: Building a Service Management Environment. March 1998.
  14. 14.
    Internet2, QBone Initiative. Available at
  15. 15.
    Introduction to QoS Policies. White Paper. July 1999.
  16. 16.
    Jacobson, V. & Nichols, K.: An Expedited Forwarding PHB. RFC 2598. February 1999.Google Scholar
  17. 17.
    Kurose, James F., and Ross, Keith W.: Computer Networking. A Top-Down Approaching Featuring the Internet.
  18. 18.
    Mahon, H., Bernet, Y., and Herzop, S.: Requirements for a Policy Management System. draft-ietf-policy-req-01.txt. October 1999.Google Scholar
  19. 19.
    McConnell, John: Service Level Management. Leveraging Your Network Investments. July 1998.
  20. 20.
    Murphy, Sean: Some notes on the use of my ns DiffServ Software. September 1999.Google Scholar
  21. 21.
    Rosen, et al.: Multiprotocol Label Switching Architecture. draft-ietf-mpls-arch-05.txt. April 1999.Google Scholar
  22. 22.
    Saltzer, et al.: End to End Arguments in System Design. ACM Transactions in Computer Systems. November 1984.
  23. 23.
    Service Level Management with Netsys: A Model-Based Approach. July 1998.
  24. 24.
    Strassner, J., et al.: Terminology for Describing Network Policy and Services. draft-ietf-policy-terms-01.txt. February 1999.Google Scholar
  25. 25.
    The HP IT Service Management Reference Model-White Paper. March 1998.
  26. 27.
    Xiao, X. & Ni, L. M.: Internet QoS: A Big Picture. IEEE Network. March/April 1999.Google Scholar
  27. 28.
    Gibbens, R. J., et al.: Na Approach to Service Level Agreements for IP Networks with Differentiated Services. Article submitted to Royal Society. 2000.Google Scholar
  28. 29.
    Pereira, P., and Pinto, P.: Algorithms and Contracts for Network and Systems Management. IEEE Latin American Networks Operations and Management Symposium. December 1999.Google Scholar
  29. 30.
    Wies, René: Policies in Networ and Systems Management-Formal Definition and Architecture. Journal of Network and Systems Management. Plenum Publishing Corp. pp. 54–61. March 1994Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Elionildo da Silva Menezes
    • 1
  • Djamel Fawzi Hadj Sadok
    • 1
  • Judith Kelner
    • 1
  1. 1.Centro de InformáticaUniversidade Federal de PernambucoRecife PE BrasilBrazil

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