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Packet Aggregation in Linux
Karlstads universitet, Institutionen för informationsteknologi.
Karlstads universitet, Institutionen för informationsteknologi.
2008 (Engelska)Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
Abstract [en]

Voice over IP (VoIP) traffic in a multi-hop wireless mesh network (WMN) suffers from a large overhead due to mac/IP/UDP/RTP headers and time collisions. A consequence of the large overhead is that only a small number of concurrent VoIP calls can be supported in a WMN[17]. Hop-to-hop packet aggregation can reduce network overhead and increase the capacity. Packet aggregation is a concept which combines several small packets, destined to a common next-hop destination, to one large packet. The goal of this thesis was to implement packet aggregation on a Linux distribution and to increase the number of concurrent VoIP calls. We use as testbed a two-hop WMN with a fixed data rate of 2Mbit/s. Traffic was generated between nodes using MGEN[20] to simulate VoIP behavior. The results from the tests show that the number of supported concurrent flows in the testbed is increased by 135% compared to unaggregated traffic.

sted, utgiver, år, opplag, sider
2008. , s. 68
Emneord [en]
Network, Programing, Linux, Wireless Mesh Networks
HSV kategori
Identifikatorer
URN: urn:nbn:se:kau:diva-1726OAI: oai:DiVA.org:kau-1726DiVA, id: diva2:5705
Uppsök
teknik
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Examiner
Tilgjengelig fra: 2008-07-10 Laget: 2008-07-10 Sist oppdatert: 2018-01-12

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