Network Topology Effect on QoS Delivering in Survivable DWDM Optical Networks

• Autorzy: Kavian Y. , Rashvand H. , Leeson M. , Ren W. , Hines E. , Naderi M.
• Języki publikacji: EN

Abstrakty

EN

The quality of service (QoS) is an important and considerable issue in designing survivable dense wavelength division multiplexing (DWDM) backbones for IP networks. This paper investigates the effect of network topology on QoS delivering in survivable DWDM optical transport networks using bandwidth/load ratio and design flexibility metrics. The dedicated path protection architecture is employed to establish diverse working and spare lightpaths between each node pair in demand matrix for covering a single link failure model. The simulation results, obtained for the Pan-European and ARPA2 test bench networks, demonstrate that the network topology has a great influence on QoS delivering by network at optical layer for different applications. The Pan-European network, a more connected network, displays better performance than ARPA2 network for both bandwidth/load ratio and design flexibility metrics.

Słowa kluczowe

EN

dedicated path protection; DWDM; network topology; optical networks; QoS; survivability

• Wydawca: Instytut Łączności - Państwowy Instytut Badawczy
• Czasopismo: Journal of Telecommunications and Information Technology
• Rocznik: 2009
• Tom: nr 1
• Strony: 68--71
• Opis fizyczny: Bibliogr. 16 poz., rys., tab.

Twórcy

autor

Kavian Y.

autor

Rashvand H.

autor

Leeson M.

autor

Ren W.

autor

Hines E.

autor

Naderi M.

• University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, United Kingdom,

Bibliografia

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