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QoS of communication networks using MPLS protocol

QoS of communication networks using MPLS protocol

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This chapter describes the place of multiprotocol label switching (MPLS) in current state-of-the-art computer networking systems which emphasize the use of MPLS as a quality of service (QoS) technique in different networking environments such as data centers and multimedia networking as backbone networks. The chapter also includes practical experiments, which are applied using the OPNET network simulation tool for transmitting multimedia over IP/MPLS networks and a fat tree data center architecture employing MPLS. The examples show the feasibility of MPLS as a QoS tool compared to best-effort IP networks. In addition, this chapter describes an effort of designing a network-on-chip system engaging MPLS mechanism as on-chip communication method which has been completely developed in Cþþ. However, all results clearly confirm that MPLS is an efficient QoS tool.

Chapter Contents:

  • 8.1 Introduction
  • 8.2 Definitions related to chapter context
  • 8.3 Quality of service principles
  • 8.3.1 QoS models
  • Integrated service (IntServ) model
  • Differentiated service (DiffServ) model
  • Traffic engineering
  • MPLS as QoS approach
  • 8.4 MPLS principles
  • 8.4.1 MPLS related terms
  • 8.4.2 The MPLS router
  • Traditional router structure
  • The elementary router functions
  • The advanced router functions related to QoS
  • The difference between IP and MPLS router
  • 8.4.3 MPLS operation
  • 8.5 MPLS and multimedia
  • 8.5.1 Multimedia session
  • 8.5.2 Multimedia protocols
  • 8.5.3 VoIP application
  • 8.5.4 Example: multimedia over MPLS networks
  • 8.6 MPLS mechanism and data center design
  • 8.6.1 Data center structure
  • Core layer
  • Aggregation layer (distribution layer)
  • Access layer
  • 8.6.2 Example of fat tree data center structure
  • 8.7 MPLS-based network-on-chip simulator
  • 8.7.1 Interconnection network
  • 8.7.2 The proposed simulator architecture
  • The fat tree generation process
  • The simulator main process
  • The node structure
  • 8.7.3 The switch structure
  • The arbiter
  • The MPLS unit
  • The routing unit
  • The input/output link controllers
  • 8.7.4 Example and simulation results
  • 8.8 Conclusion
  • References

Inspec keywords: telecommunication traffic; IP networks; multiprotocol label switching; computer centres; telecommunication network routing; network-on-chip; quality of service; computer network management; multimedia communication

Other keywords: efficient QoS tool; backbone networks; best-effort IP networks; communication networks; network-on-chip system; fat tree data center architecture; OPNET network simulation tool; MPLS mechanism; data centers; networking environments; computer networking systems; MPLS protocol; quality of service technique

Subjects: Communication switching; Computer communications; Communication network design, planning and routing; Multimedia communications; Network-on-chip; Network-on-chip; Multimedia; Protocols; Protocols; Computer networks and techniques

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