Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/1971
| Title: | Data structure and system for IP address lookup and IP address lookup system | Authors: | Luk, RWP Wong, WT |
Issue Date: | 14-Sep-2010 | Source: | US Patent 7,797,348 B2. Washington, DC: US Patent and Trademark Office, 2010. | Abstract: | A tree data structure for storing strings of searchable data divided into substrings has at least one first type node that has a substring associated with it and at least one second type node that does not having a substring associated with it. A second type node is directly linked to a first type node by a fail transition. A first type node is directly linked to a second type node by a match transition. An IP address lookup system has memory for storing a tree data structure and a controller for storing and loading an incoming IP address. The system has a finite state machine having three stages including a first stage for loading the IP address and performing a length calculation, a second stage for searching the data structure to find a match, and a third stage for determine the next-hop address index. | Rights: | Assignee: The Hong Kong Polytechnic University. |
| Appears in Collections: | Patent |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| us7797348b2.pdf | 615.51 kB | Adobe PDF | View/Open |
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