Abstract
AbstractThis paper proposes a packet switch architecture with scalability suitable for handling Internet traffic. The basis of the architecture is a multistage switch consisting of a combination of bufferless unit switches. In the conventional multistage switches, one problem is resistance to hot spots. A hot spot is generated by the best‐effort traffic characteristic of the Internet. In this paper, a method of control of the multistage switch with resistance to hot spots is proposed. Further, mechanisms for facilitating the installation of multistage switches are also proposed, including prevention of out‐of‐sequence transmission of the packets and reduction of the speed‐up factor. The proposed switch architecture is evaluated by simulation and its effectiveness is confirmed. © 2003 Wiley Periodicals, Inc. Electron Comm Jpn Pt 1, 86(9): 78–89, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/ecja.1175
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