Integrated FR traffic policing mechanism in a FR - ATM Interworking 


Vol. 9,  No. 3, pp. 407-412, Jun.  2002
10.3745/KIPSTC.2002.9.3.407


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  Abstract

A FR-ATM interworking function that has FR and ATM interfaces, should guarantee the QoS of both frame relay and ATM networks. The IWF requires the policing mechanisms for FR and ATM respectively, and needs to map the traffic parameters each other. In this case, traffic parameter mapping and policing function are performed independently. In the aspect of FR traffic policing, this function degrades processor performance if it is worked by software, or includes additional hardware function. The best way to solve this is to integrate this function into ATM function because ATM is performed by well defined hardware already. In this paper we propose the integrated traffic control mechanism. That is, frames are segmented to cells first, and then policing mechanism is applied to the cells to guarantee the FR QoS. Therefore proper policing algorithm is essential to the integrated FR traffic mechanism. The evaluations are done with simulations in comparison of existing FR algorithms, ATM VBR and GFR policing algorithms, and the proposed algorithm.

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[IEEE Style]

Y. S. Nam and B. J. Kang, "Integrated FR traffic policing mechanism in a FR - ATM Interworking," The KIPS Transactions:PartC, vol. 9, no. 3, pp. 407-412, 2002. DOI: 10.3745/KIPSTC.2002.9.3.407.

[ACM Style]

Yoon Seok Nam and Bub Joo Kang. 2002. Integrated FR traffic policing mechanism in a FR - ATM Interworking. The KIPS Transactions:PartC, 9, 3, (2002), 407-412. DOI: 10.3745/KIPSTC.2002.9.3.407.

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