WO2002019624A3 - Cluster-based aggregated switching technique (cast) for routing data packets and information objects in computer networks - Google Patents

Cluster-based aggregated switching technique (cast) for routing data packets and information objects in computer networks Download PDF

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Publication number
WO2002019624A3
WO2002019624A3 PCT/US2001/027109 US0127109W WO0219624A3 WO 2002019624 A3 WO2002019624 A3 WO 2002019624A3 US 0127109 W US0127109 W US 0127109W WO 0219624 A3 WO0219624 A3 WO 0219624A3
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WO
WIPO (PCT)
Prior art keywords
cast
routing
cluster
lookups
switching technique
Prior art date
Application number
PCT/US2001/027109
Other languages
French (fr)
Other versions
WO2002019624A2 (en
Inventor
J J Garcia-Luna-Aceves
Arindam Samanta
Original Assignee
Univ California
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ California filed Critical Univ California
Priority to AU2001286954A priority Critical patent/AU2001286954A1/en
Publication of WO2002019624A2 publication Critical patent/WO2002019624A2/en
Publication of WO2002019624A3 publication Critical patent/WO2002019624A3/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/02—Topology update or discovery
    • H04L45/04—Interdomain routing, e.g. hierarchical routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/16—Multipoint routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/46—Cluster building
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/54—Organization of routing tables

Abstract

A scalable packet forwarding approach to speed up unicast and multicast routing-table lookups in the Internet which we refer to as 'Cluster-based Aggregation Switching Technique' or 'CAST'. CAST integrates the use of two mechanisms: (i) organizing table entries into clusters and (ii) using cluster-label swapping so that packets can refer to specific clusters within which the routing-table lookup should take place. The motivation for introducing CAST is the escalating rate of improvement of Internet bandwidth available at backbone routers, which continues to exceed the maximum rate of packet processing power of high-speed routers. Simulations show that the hybrid approach used in CAST to expedite routing table lookups is more attractive for unicast routing than all prior approaches in terms of its lookups power and total memory size. Furthermore, CAST applies equally well to multicast routing, while many prior schemes do not.
PCT/US2001/027109 2000-08-31 2001-08-31 Cluster-based aggregated switching technique (cast) for routing data packets and information objects in computer networks WO2002019624A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001286954A AU2001286954A1 (en) 2000-08-31 2001-08-31 Cluster-based aggregated switching technique (cast) for routing data packets and information objects in computer networks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22964600P 2000-08-31 2000-08-31
US60/229,646 2000-08-31

Publications (2)

Publication Number Publication Date
WO2002019624A2 WO2002019624A2 (en) 2002-03-07
WO2002019624A3 true WO2002019624A3 (en) 2003-02-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/027109 WO2002019624A2 (en) 2000-08-31 2001-08-31 Cluster-based aggregated switching technique (cast) for routing data packets and information objects in computer networks

Country Status (3)

Country Link
US (1) US20020129086A1 (en)
AU (1) AU2001286954A1 (en)
WO (1) WO2002019624A2 (en)

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US20020129086A1 (en) 2002-09-12
AU2001286954A1 (en) 2002-03-13

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