A Design of ATM Firewall Switch using Cell Screening


The KIPS Transactions:PartC, Vol. 8, No. 4, pp. 389-396, Aug. 2001
10.3745/KIPSTC.2001.8.4.389,   PDF Download:

Abstract

A Router-based packet screening has the problem of increasing the cell processing time of an ATM switch which performs high-speed cell transmission because it incurs the overhead of SAR (Segmentation and Reassembly) to apply the packet-level filtering policy to ATM cells. In this paper, we propose the parallelized ATM Firewall Switch designed to perform the high-speed cell screening. The proposed Enhanced ATM Firewall Switch filters packets by looking up only the first two cells of a packet and improves the speed of cell screening process using the policy cache. Furthermore, the independent design of User Cells Filter functional block makes it possible to parallelize the cell screening processes. We expect that the Enhanced ATM Firewall Switch will not only increase scalability but also reduce the cell delay caused by the cell screening.


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Cite this article
[IEEE Style]
S. S. .. Hong, T. M. .. Chung, M. R. Park, J. H. Lee, "A Design of ATM Firewall Switch using Cell Screening," The KIPS Transactions:PartC, vol. 8, no. 4, pp. 389-396, 2001. DOI: 10.3745/KIPSTC.2001.8.4.389.

[ACM Style]
Seung S . Hong, Tai M . Chung, Mi Ryong Park, and Jong Hyup Lee. 2001. A Design of ATM Firewall Switch using Cell Screening. The KIPS Transactions:PartC, 8, 4, (2001), 389-396. DOI: 10.3745/KIPSTC.2001.8.4.389.