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WDM網(wǎng)絡(luò)動(dòng)態(tài)組播業(yè)務(wù)管道失效保護(hù)

程曉軍 葛寧 馮重熙

程曉軍, 葛寧, 馮重熙. WDM網(wǎng)絡(luò)動(dòng)態(tài)組播業(yè)務(wù)管道失效保護(hù)[J]. 電子與信息學(xué)報(bào), 2006, 28(3): 451-454.
引用本文: 程曉軍, 葛寧, 馮重熙. WDM網(wǎng)絡(luò)動(dòng)態(tài)組播業(yè)務(wù)管道失效保護(hù)[J]. 電子與信息學(xué)報(bào), 2006, 28(3): 451-454.
Cheng Xiao-jun, Ge Ning, Feng Chong-xi. Provisioning of Protection for Dynamic Multicast Traffic Against Single Duct Failures in WDM Networks[J]. Journal of Electronics & Information Technology, 2006, 28(3): 451-454.
Citation: Cheng Xiao-jun, Ge Ning, Feng Chong-xi. Provisioning of Protection for Dynamic Multicast Traffic Against Single Duct Failures in WDM Networks[J]. Journal of Electronics & Information Technology, 2006, 28(3): 451-454.

WDM網(wǎng)絡(luò)動(dòng)態(tài)組播業(yè)務(wù)管道失效保護(hù)

Provisioning of Protection for Dynamic Multicast Traffic Against Single Duct Failures in WDM Networks

  • 摘要: 在光網(wǎng)絡(luò)的建設(shè)中,為降低建設(shè)成本,多條鏈路往往經(jīng)過(guò)同一條管道。在很多情況下,光纖鏈路的失效是由管道故障引起的,需要為網(wǎng)絡(luò)的管道故障提供保護(hù)。該文研究了動(dòng)態(tài)組播業(yè)務(wù)的單管道故障保護(hù),給出了兩種專(zhuān)有保護(hù)算法(SDP-DP和SDS-DP)和一種保護(hù)波長(zhǎng)共享保護(hù)算法(SDS-SDP),并對(duì)各算法的連接阻塞率進(jìn)行了仿真分析。仿真表明,在大部分情況下,由于SDS-SDP共享了連接請(qǐng)求之間的保護(hù)波長(zhǎng),SDS-SDP算法的連接阻塞率最低;而在低網(wǎng)絡(luò)負(fù)載的情況下,SDP-DP算法有最低的連接阻塞率。
  • Doshi B T, Dravida S, Harshavardhana P, Hauser O, Wang Y. Optical network design and restoration[J].Bell Labs Technical Journal.1999, 4(1):58-[2]Liu Y. Spare capacity location: model, analysis and algorithm. [Ph.D. Dissertation], Pittsburgh: University of Pittsburgh, 2001.[3]Zang H, Ou C, Mukherjee B. Path-protection routing and wavelength assignment in WDM mesh networks under duct-layer constraints. IEEE J on SAC, 2003, 11(2): 248.258.[4]Sahasrabuddhe L H, Mukherjee B. Light trees: optical multicasting for improved performance in wavelength routed networks[J]..IEEE Communications Magazine.1999, 37(2):67-[5]Singhal N K, Sahasrabuddhe L H, Mukherjee B. Provisioning of survivable multicast sessions against single link failures in optical WDM mesh networks[J].Journal of Lightwave Technology.2003, 21(11):2587-[6]Ou C, Zhang J, Sahasrabuddhe L H, Mukherjee B. Near-optimal approaches for shared-path protection in WDM mesh network. IEEE ICC2003, Anchroage, Alaska, USA, 2003: 1320.1324.[7]Takahashi H, Matsuyama A. An approximate solution for the Steiner problem in graphs. Math. Japonica, 1980, 24(6): 573. 577.
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  • 收稿日期:  2004-09-07
  • 修回日期:  2005-01-18
  • 刊出日期:  2006-03-19

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