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MPLS kontra traditionell IP-routing: en jämförelse av resursåtgång
Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
2011 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Multi Protocol Label Switching (MPLS) är en routingteknik som blir allt vanligare i dagens nätverk. Vid implementation av MPLS i nätverk är det grundläggande att hårdvaran har tillräckligt hög prestanda för att hantera tekniken. Om så inte är fallet kan det leda till negativa konsekvenser såsom paketförluster eller i värsta fall att routern havererar. Syftet med arbetet var att ta reda på hur processorbelastningen på en router skiljer sig när MPLS var implementerat jämfört med traditionell IP-routing. Routingprotokollen BGP, OSPF och RIP användes tillsammans med de olika routingteknikerna för att se vilket av dessa som krävde minst processorkraft.

För att ta reda på hur processorbelastningen påverkades skapades en experimentmiljö. Varje routingprotokoll konfigurerades tillsammans med MPLS respektive traditionell IP-routing, vilket gav oss sex olika scenarion. Trafik skickades sedan genom nätverket med hjälp av applikationen Ostinato för att belasta enheterna.

Resultatet av testerna visade att processorbelastningen blev högre för MPLS än för traditionell IP-routing. Det gällde för samtliga routingprotokoll. Det routingprotokoll som tillsammans med MPLS lyckades hålla processorbealstningen lägst var BGP, medans OSPF orsakade högst processorbelastning. Skillnaden mellan routingprotokollen OSPF och RIP var marginell.

Abstract [en]

Multi Protocol Label Switching (MPLS) is a growing routing technology. It is getting more common in today’s modern networks. When implementing MPLS, it is essential that the hardware is capable of handling such technology. If not, this could lead to packet loss or even network outage. The purpose of this study was to examine differences between MPLS and traditional IP-routing in aspect of CPU utilization. Routing protocols BGP, OSPF and RIP were configured together with the technologies in order to see which of the mentioned routing protocols that was the most efficient in terms of CPU utilization.

An environment was created for the experiment. Each routing protocol was configured together with MPLS and traditional IP-routing respectively, which lead to a total of six scenarios. Traffic was sent through the network with an application called Ostinato with the purpose of increasing the load of the devices.

The results showed higher CPU utilization with MPLS compared to traditional IP-routing. This was the case with each routing protocol. BGP had the lowest CPU utilization of the routing protocols in conjunction with MPLS whilst OSPF had the highest. The result between OSPF and RIP was slightly different.

Place, publisher, year, edition, pages
2011. , 25 p.
Keyword [en]
MPLS, BGP, OSPF, RIP, SNMP, CPU utilization
Keyword [sv]
MPLS, BGP, OSPF, RIP, SNMP, processorbelastning
National Category
Computer Science
Identifiers
URN: urn:nbn:se:lnu:diva-12813OAI: oai:DiVA.org:lnu-12813DiVA: diva2:425179
Subject / course
Computer Science
Educational program
IT Technician, 120 credits
Presentation
2011-05-31, Ny104, Kalmar Nyckel, Kalmar, 11:00 (Swedish)
Uppsok
Technology
Supervisors
Examiners
Available from: 2011-06-21 Created: 2011-06-20 Last updated: 2011-06-21Bibliographically approved

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Öhlin, AntonViking, Sebastian
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