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Prestandamätning av en 10 Gbps-länk med olika paketstorlekar
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.
2017 (Swedish)Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
Abstract [sv]

Eftersom det i dagens samhälle krävs allt snabbare uppkoppling läggs det större krav på våra nätverk. Det är viktigt att utnyttja den kapacitet som finns maximalt. Detta examensarbete undersöker hur nära teoretiskt maxhastighet det går att komma på en 10 Gbps-länk beroende på vilken paketstorlek som används.  För att ta reda på detta görs en serie tester på en 10 Gbps-länk mellan två Cisco 6504. Paketstorlekar mellan 64B och 4 092B används och jämförs mot en uträknad maxhastighet enligt ethernet-standarden IEEE 802.3-2015. Resultatet visar att det är svårt att uppnå teoretisk maxhastighet med små paket. När paketstorleken ökar blir skillnad mindre mellan uppmätt hastighet och teoretisk maxhastighet. Med en paketstorlek på 4 092B uppnås en hastighet som är 99,96% utav teoretiskt max.

Abstract [en]

Today’s society requires faster connections which adds greater demands on our networks and it is important to utilize the maximum capacity of our links. This thesis examines how close the theoretical maximum speed it is possible to reach on a 10 Gbps link, depending on the packet size used. To determine this a series of tests was performed on a 10 Gbps link between two Cisco 6504. Packet sizes between 64B and 4 092B were used and compared against a calculated theoretical maximum speed according to the Ethernet standard IEEE 802.3-2015. The results show that it is difficult to achieve the theoretical maximum speed with small packets. When the packet size increases the difference between the test result and the theoretical maximum speed grows smaller and smaller. With a packet size of 4 092B a speed equivalent to 99.96% of the theoretical maximum was achieved.

Place, publisher, year, edition, pages
2017. , 15 p.
Keyword [sv]
10 Gbps, Hastighet, Ethernet, Interpacket gap, Paketstorlek, SFP+, Cisco
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:hv:diva-11058Local ID: EXM301OAI: oai:DiVA.org:hv-11058DiVA: diva2:1117074
Subject / course
Computer enigeering
Educational program
Informatik
Supervisors
Examiners
Available from: 2017-06-29 Created: 2017-06-28 Last updated: 2017-06-29Bibliographically approved

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  • apa
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  • nn-NO
  • nn-NB
  • sv-SE
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