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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yuke Wang Yun Zhang Tiyan Tang Krishnamurthy, A. Damm, G. Bou-Diab, B. |
| Copyright Year | 2004 |
| Description | Author affiliation: Dept. of Comput. Sci., Texas Univ., Richardson, TX, USA (Yuke Wang; Yun Zhang; Tiyan Tang; Krishnamurthy, A.) |
| Abstract | Packet classification is necessary for flow-based network services in Internet routers, such as NAPT, IPsec, ACL, etc. The range-based packet classification function maps input packets to the highest-priority matching rule in a given rule set specified by ranges (P. Gupta and N. McKeown, August 1999, March-April 2001). For instance, multi-field range-based packet classification maps IP packets to security policy rules in an IPsec gateway. The FIS trees based packet classification algorithm has been proposed as a software implementation option of this function. In this paper, we present a novel disjoint graph based algorithm for multi-field range-based packet classification. The novel algorithm constructs a disjoint graph using elementary interval trees and disjoint interval trees for a given rule set, where only a single path traversal is required during a search to classify a packet. Experimental results show that the disjoint graph based packet classification algorithm significantly outperforms the FIS trees based solution. In a network processor implementation with an input rule set of 700 rules, the disjoint graph based packet classification algorithm requires only 45% of the search time, 69% of the data structure buildup time, and 47% of the memory storage of the FIS trees based solution. |
| Starting Page | 1108 |
| Ending Page | 1112 |
| File Size | 477651 |
| Page Count | 5 |
| File Format | |
| ISBN | 0780385330 |
| DOI | 10.1109/ICC.2004.1312672 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2004-06-20 |
| Publisher Place | France |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Tree graphs Classification tree analysis Classification algorithms Tree data structures Databases Data security IP networks Web and internet services Network address translation Computer science |
| Content Type | Text |
| Resource Type | Article |
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