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Jämförelsestudie av lastfördelningsalgoritmer i Cisco-enheter
University West, Department of Engineering Science, Division of Computer, Electrical and Surveying Engineering.
University West, Department of Engineering Science, Division of Computer, Electrical and Surveying Engineering.
2016 (Swedish)Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesisAlternative title
Comparative study of load sharing algorithms in Cisco switches (English)
Abstract [sv]

Vid implementation av OSPF i nätverk med både IPv4- och IPv6-adressering finns det två alternativ. Användning av både OSPFv2 för IPv4 och OSPFv3 för IPv6 samtidigt med två separata processer eller användandet av OSPFv3 Address Families för både IPv4 & IPv6 i en process. Detta examensarbete mäter vilket av OSPF:s två implementationsalternativ som har snabbast SPF-beräkning samt vilket som har lägst konvergeringstid. Först mättes SPF-beräkningstid, därefter konvergeringstid.  I mätningarna användes routrar av modell Cisco 2901 med IOS version 15.4. Mätningarnas resultat visar att OSPFv3 Address Families har en snabbare SPF-beräkning än OSPFv2 och OSPFv3 vid 1250 och fler nätverk. Trots dess snabbare SPF-beräkning har Address Families en högre konvergeringstid.

Abstract [en]

When implementing OSPF in a network that uses both IPv4 and IPv6 addresses there are two ways. One either use OSPFv2 for IPv4 and OSPFv3 for IPV6 at the same time but each with their own separate process or one could use OSPFv3 Address Families for both IPv4 and IPv6 under one process. This university diploma thesis looks at which of the two ways of implementing OSPF that has the quickest SPF-calculation and which one that has the lowest convergence time.The routers used in the tests were of model Cisco 2901 with IOS version 15.4. The results show that OSPFv3 Address Families performs SPF-calculation better than OSPFv2 and OSPFv3 when faced with 1250 or more networks. Even though Address Families has a quicker SPF-calculation it has a higher convergence time than OSPFv2 and OSPFv3.   

Place, publisher, year, edition, pages
2016. , 8 p.
Keyword [en]
OSPF, Address Families, Convergence Time, SPF, Open Shortest Path First
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hv:diva-11063Local ID: EXM301OAI: oai:DiVA.org:hv-11063DiVA: diva2:1117119
Subject / course
Computer enigeering
Educational program
Nätverksteknik med IT-säkerhet
Supervisors
Examiners
Available from: 2017-06-29 Created: 2017-06-28 Last updated: 2017-06-29Bibliographically approved

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  • nn-NB
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Output format
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