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Virtual source-based minimum interference path multicast routing in optical virtual private networks

机译:光学虚拟专用网中基于虚拟源的最小干扰路径多播路由

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摘要

Virtual Private Network (VPN) services over the Internet are gaining increased acceptance due to the economic benefits and flexibility. However, with difficulties of providing sufficient transmission capacity for value-added and mission-critical services, the Optical VPN (OVPN) deploying Dense Wavelength-Division Multiplexing (DWDM) technology has been seen as a favorable approach for realizing the future VPN services. In an OVPN, the Routing and Wavelength Assignment problem plays a key role for capacity utilization and therefore the Multicast Routing and Wavelength Assignment problem has been the dominant issue in a DWDM-based OVPN. In this paper, using Virtual Source (VS) nodes that have splitting and wavelength conversion capabilities, we propose a new Multicast Routing and Wavelength Assignment method for multicast sessions. The algorithm combines the VS-based tree generation approach with Multi-Wavelength Mini-rnmum Interference Path Routing (MW-MIPR) that chooses a path that does not interfere too much with potential future multicast session requests.
机译:由于经济利益和灵活性,Internet上的虚拟专用网(VPN)服务正获得越来越多的接受。但是,由于难以为增值和关键任务服务提供足够的传输容量,因此部署密集波分复用(DWDM)技术的光纤VPN(OVPN)已被视为实现未来VPN服务的理想方法。在OVPN中,路由和波长分配问题对于容量利用率起着关键作用,因此,组播路由和波长分配问题已成为基于DWDM的OVPN中的主要问题。在本文中,我们使用具有拆分和波长转换功能的虚拟源(VS)节点,为多播会话提出了一种新的多播路由和波长分配方法。该算法将基于VS的树生成方法与多波长最小卷发干扰路径路由(MW-MIPR)相结合,后者选择的路径不会对未来的潜在多播会话请求产生过多干扰。

著录项

  • 来源
    《Photonic network communications》 |2007年第1期|19-30|共12页
  • 作者单位

    Tongmyong University, 535 Yongdang-Dong, Nam-Gu, Busan, 608-711, Korea;

    Pukyong National University, 599-1 Daeyeon 3-Dong, Nam-Gu, Busan, 608-737, Korea;

    Pukyong National University, 599-1 Daeyeon 3-Dong, Nam-Gu, Busan, 608-737, Korea;

    Pukyong National University, 599-1 Daeyeon 3-Dong, Nam-Gu, Busan, 608-737, Korea;

    Andong National University, 388 Song-chon Dong, Andong, Kyoungbuk, 760-749, Korea;

    Pukyong National University, 599-1 Daeyeon 3-Dong, Nam-Gu, Busan, 608-737, Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    multicast routing and wavelength assignment; MW-MIPR; OVPN;

    机译:组播路由和波长分配;MW-MIPR;虚拟专用网;

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