Data-centric networking using multiwavelength headers/labels in packet-over-wdm networks: a comparative study
Journal of Lightwave Technology(2003)
摘要
In this paper, various issues related to packet transportation in dynamically reconfigurable networks are studied and techniques for transmitting the associated signaling are discussed. A novel transportation frame based on multisymbol coding is presented, its functionality is analyzed, and the various alternatives for transmitting multiwavelength label/headers are reviewed and benchmarked. A physical layer performance comparison between two multiwavelength schemes, i.e., the bit-parallel and the multilevel (M-ary) coded, is carried out using analytic modeling as well as simulation tools. It is shown that the multilevel coding is an interesting solution, particularly in a wide-area network environment deploying line rates higher than 10 Gb/s.
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关键词
Intelligent networks,Transportation,Wavelength division multiplexing,SONET,Optical packet switching,Physical layer,Optical modulation,WDM networks,Optical fiber networks,Synchronous digital hierarchy
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