APPARATUS AND METHOD FOR ROUTING DATA PACKETS THROUGH A COMMUNICATIONS NETWORK

A method and apparatus for determining the next router that a data packet is transmitted to on its way to a destination host by traversing a routing table using a hardware search engine and a unique search tree. The step of traversing each node in the search tree takes only one memory cycle, decreas...

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Bibliographische Detailangaben
Hauptverfasser:	GUNDERSON, MARLON, BREMER, CLARK, SEVERNS, CHRISTINE, E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A method and apparatus for determining the next router that a data packet is transmitted to on its way to a destination host by traversing a routing table using a hardware search engine and a unique search tree. The step of traversing each node in the search tree takes only one memory cycle, decreasing in half the time it takes to search a routing table and thus forward data packets on a system of computer networks. This is accomplished by storing the decision bit for each node in its parent node rather than in the node itself The apparatus may use a hardware search engine to search the routing table.