A DISTRIBUTED AND SCALABLE ROUTING TABLE MANAGER FOR THE NEXT GENERATION OF IP ROUTER
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#1
13-01-2010, 07:19 AM


A DISTRIBUTED AND SCALABLE ROUTING TABLE MANAGER FOR THE NEXT GENERATION OF IP ROUTERS

In recent years, the exponential growth of Internet users with increased bandwidth requirements has led to the emergence of the next generation of IP routers. Distributed architecture is one of the promising trends providing petabit routers with a large switching capacity and high-speed interfaces. Distributed routers are designed with an optical switch fabric interconnecting line and control cards. Computing and memory resources are available on both control and line cards to perform routing and forwarding tasks. This new hardware architecture is not efficiently utilized by the traditional software models where a single control card is responsible for all routing and management operations. The routing table manager plays an extremely critical role by managing routing information and in particular, a forwarding information table. This article presents a distributed architecture set up around a distributed and scalable routing table manager. This architecture also comes provides improvements in robustness and resiliency. The proposed architecture
Technology to use: .NET
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28-03-2010, 07:44 PM

ROUTING TABLE MANAGER FOR THE NEXT GENERATION OF IP ROUTERS
OBJECTIVE :
VIABLE PACKET FORWARDING

TASK SHARING MECHANISM

TO AVOID MEMORY COMPLEXITY OF
CONTROL CARD

RTM UPDATES OF LINE CARD



EXISTING ROUTER ARCHITECTURE:
PROPOSED ARCHITECTURE
EXISTING SYSTEM DISADVANTAGE:
CISCO CRS (new) SERIES

CISCO 12000 (prev) SERIES

ADDITION OF CONTROL CARD (COSTLIER)

COMPLEX SCHEDULING MECHANISM

NOT SCALABLE FOR LARGE NETWORK


ADVANTAGE OF PROPOSED SYSTEM:
PETABIT THROUGHPUT ON SINGLE CHASIS

HIGLY SCALABLE

HIGH AVAILABILITY

ENHANCED ROUTING PROCESS
MODULES :
SOURCE/ CLIENT MODULE
ROUTER
LINE CARD
INGRESS PORT
CONTROL CENTRE/CARD
PACKET FORWARDING CLASS
EGRESS PORT
DESTINATION /CLIENT MODULE

DATA FLOW DIAGRAM :
CLIENT MODULE :
FILE SEND

FILE PACKET

FILE RECIVED

TCP/IP


INGRESS PORT
LINE CARD

MASTER LINE CARD UPDATE OTHER LINE CARD

ROUTER CALC CLASS

PERIODIC UPDATE

N LINE CARD ARE MAINTAINED


ROUTER REQUEST CLASS :
EGRESS PORT :
PACK TO CLIENT

PACK FORWARING CLASS SEND THE PACK TO OTHER ROUTER

ADVERTISING PACK
INTER CONNECTING NETWORK
REFERENCES:
A. ZINI,CISCO IP ROUTING,ADDISON-WELSEY,2002,PP.8011.

O.HAGSAND,M.HIDELL, AND P.SJODIN,DESIGN AND IMPLEMENTATION OF A DISTRIBUTED ROUTER,PROC 5TH IEE INTâ„¢L.

SYMP.SIGNAL PROCESSING AND INFOTECH,DEC.2005,PP.227-32.

H.J.CHAO AND B.LIU, HIGH PERFORMANCE SWITCHES AND ROUTERS,WILEY-INTERSCIENCE,2007.

CISCO SYSTEMS, CISCO 12000 SERIES INTERNET ROUTER ARCHITECTURE ,HTTP://WWW.CISCO.COM
read full report
digital.library.adelaide.edu.au/dspace/bitstream/2440/49352/1/hdl_49352.pdf


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.ppt   Distributed-and-scalable-routing-table-manager-for-the-next-generation-of-ip-routers.ppt (Size: 787.5 KB / Downloads: 82)
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