A Photonic IP Switching Technique Using Code Division Multiplexing

Shouhei NISHI  Isamu SAEKI  Hideki TODE  Koso MURAKAMI  

IEICE TRANSACTIONS on Communications   Vol.E83-B   No.10   pp.2321-2330
Publication Date: 2000/10/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Advanced Internetworking based on Photonic Network Technologies)
multiple-encoding,  optical network,  self-routing,  code division multiplexing,  IP switching network,  

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Increasing the capacity and intelligence of the next-generation Internet requires the application of optical technologies to switching nodes as well as transmission lines, and the development of advanced network architectures with end-to-end connection setup processing at the source node and autonomous routing at intermediate nodes. In the present paper, we design a new CDM-based switching scheme and node configurations that are suitable for a photonic IP switching system, in which a set of multiple-encoding CDM codes is utilized as routing information. In addition, we calculate the BER characteristics of the multiple-encoding CDM system by simulation. Under the condition that the chip duration of a certain code is a multiple of that of another code, the BER characteristics of the multiple-encoding system are shown to coincide with that of the single-encoding system by the longer code.