Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2014, Vol. 37 ›› Issue (1): 62-65,89.doi: 10.13190/j.jbupt.2014.01.014

• Papers • Previous Articles     Next Articles

Combined Circuit/Packet Switching Fabric and Dispatching Scheme

ZHANG Mao-sen, QIU Zhi-liang, GAO Ya   

  1. State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an 710071, China
  • Received:2013-05-07 Online:2014-02-28 Published:2014-01-07

Abstract:

Both circuit and packet traffics are supported in present communication networks. Forwarding those two traffics over the same switching fabric favors the sharing of network devices and the integration of networks. A combined circuit/packet switching fabric and dispatching scheme was proposed based on Clos-network switches. Dedicated paths were reserved for circuit traffic by dispatching scheme in the switching fabric. Meanwhile the remaining bandwidth is used to provide packet traffic with best-effort forwarding. Simulation shows that quality of service requirement of circuit traffic is satisfied, and a high throughput is achieved for packet traffic.

Key words: circuit switching, packet switching, dispatching scheme, quality of service

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