article · 2006

Variable-bandwidth optical paths: comparison between optical code-labeled path and OCDM path

Shaowei Huang, Student Member, Ken-ichi Baba, Masayuki Murata

Cited by 0Abstract and details only

Abstract

Abstract—In a conventional wavelength-routed network, the bandwidth of one wavelength is considered as the minimum granularity for a given connection request. Therefore, no multiple connection requests can be accepted by using a single wavelength simultaneously. This may cause inefficiency in the bandwidth utilization in some cases. In this paper, the focus is on the variablebandwidth approach called an optical code (OC)-based path to improve this bandwidth utilization. The concept of OC-enabling paths is investigated, which shows its potential in resolving the above granularity problem inherent to the wavelength-routed network. First, two optical paths, called the OC-labeled and OC division multiplexing (OCDM) paths, are proposed. The former is based upon label switching and statistical multiplexing, while the latter is based upon OCDM. Next, OC-label and OCDM optical cross connects are described to support OC-labeled and OCDM paths, respectively. In this paper, a coherent time-spread OC is adopted. A two-state flow-fluid traffic model is addressed and regarded as the general analysis model. Finally, the performances between these proposed paths are qualified and compared, and numerical results show that the OC-labeled path outperforms the OCDM path under short burst duration time, whereas the OCDM path, provides higher flexibility than the OC-labeled path, owing to its independence of burst duration time. Index Terms—Optical code division multiplexing (OCDM) optical cross connect (OXC), optical code division multiplexing (OCDM) path, optical code (OC)-labeled optical cross connect (OXC), optical code (OC)-labeled path, variable-bandwidth optical path. I.

Cite this paper

APA 7

Huang, S., Member, S., Baba, K.-I., & Murata, M. (2006). Variable-bandwidth optical paths: comparison between optical code-labeled path and OCDM path.

MLA 9

Huang, Shaowei, et al. “Variable-bandwidth optical paths: comparison between optical code-labeled path and OCDM path.” 2006.

Chicago

Huang, Shaowei, Student Member, Ken-ichi Baba, and Masayuki Murata. 2006. “Variable-bandwidth optical paths: comparison between optical code-labeled path and OCDM path.”

Harvard

Huang, S. et al. (2006) ‘Variable-bandwidth optical paths: comparison between optical code-labeled path and OCDM path’.

BibTeX

@article{huang2006variable,
  title = {{Variable-bandwidth optical paths: comparison between optical code-labeled path and OCDM path}},
  author = {Huang, Shaowei and Member, Student and Baba, Ken-ichi and Murata, Masayuki},
  year = {2006}
}

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