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Optical-LSP Establishment and a QoS Maintenance Scheme Based on Differentiated Optical QoS Classes in OVPNs

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Abstract

A “virtual private network (VPN) over Internet” has the benefit of being cost-effective and flexible. However, it has difficulties providing sufficient QoS and adequate transmission capacity for high bandwidth services. Given the increasing demand for high bandwidth Internet and the demand for QoS assurances in a “VPN over Internet”, IP/generalized multi-protocol label switching (GMPLS) based on a control plane combined with a high-bandwidth, dense-wavelength division multiplexing (DWDM) optical network is seen as a very favorable approach for realizing the future “optical VPN (OVPN) over IP/GMPLS over DWDM”. Within this architecture, providing QoS guaranteed multimedia services with a differentiated QoS guaranteed protocol framework with QoS recovery is one of the key issues to implement. Therefore, we suggest in this paper optical-label switched path (O-LSP) establishment and its QoS maintenance scheme based on differentiated optical QoS-service (DOQoS) classes. They are the key components for this DOQoS framework in assuring end-to-end QoS in an “OVPN over IP/GMPLS over DWDM” architecture.

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Authors and Affiliations

  1. Pukyong National University, 599-1 Daeyeon 3-Dong Nam-Gu, Pusan, 608-737, Korea

    Mi-Ra Yoon, Ju-Dong Shin, Chang-Hyun Jeong & Sung-Un Kim

  2. Department of Computer Engineering, Kyungpook National University, Daegu, 702-701, Korea

    Jun-Mo Jo

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

    Oh-Han Kang

Authors
  1. Mi-Ra Yoon
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  2. Ju-Dong Shin
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  3. Chang-Hyun Jeong
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  4. Jun-Mo Jo
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  5. Oh-Han Kang
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  6. Sung-Un Kim
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Correspondence to Sung-Un Kim.

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Yoon, MR., Shin, JD., Jeong, CH. et al. Optical-LSP Establishment and a QoS Maintenance Scheme Based on Differentiated Optical QoS Classes in OVPNs. Photonic Network Communications 7, 161–178 (2004). https://doi.org/10.1023/B:PNET.0000012435.48647.ba

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  • DOI: https://doi.org/10.1023/B:PNET.0000012435.48647.ba

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