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Effect of Packet Ag...
Effect of Packet Aggregation in Wireless Mesh Networks : Analyzing TCP performance
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- Karlsson, Jonas, 1977- (författare)
- Karlstads universitet,Avdelningen för datavetenskap,Datavetenskap
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- Kassler, Andreas, 1968- (författare)
- Karlstads universitet,Avdelningen för datavetenskap,Datavetenskap
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- Brunström, Anna, 1967- (författare)
- Karlstads universitet,Avdelningen för datavetenskap,Centrum för HumanIT,Datavetenskap
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(creator_code:org_t)
- Uppsala : Uppsala universitet, 2009
- 2009
- Engelska.
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Ingår i: Proceedings of the 9th Scandinavian Workshop on Wireless Adhoc Networks. - Uppsala : Uppsala universitet.
- Relaterad länk:
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Abstract
Ämnesord
Stäng
- Recently, Wireless Mesh Networks (WMNs) have attracted attention as a way to provide alternative Internet connectivity to rural areas or communities. In WMNs, wireless access points communicate with each other wirelessly, forming a true wireless mesh based access network of mesh relay nodes (MRNs). A major problem is, however, scalability of WMNs as well as MAC and PHY layer overhead for packet transmission. Capacity of WMNs can be increased significantly by aggregating (combining) several smaller packets into larger ones. This is in particular beneficial to flows where many packets are of small sizes such as voice flows. TCP could also benefit, as by aggregating several packets together there is a reduced collision risk between TCP DATA and TCP ACKs in addition to the reduced MAC layer contention. In this paper, we investigate the impact of packet aggregation on TCP in Wireless Mesh Networks. Using several different scenarios we demonstrate that packet aggregation can not only increase capacity for TCP in such networks but also improve fairness and reduce end-to-end delay
Ämnesord
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Sciences (hsv//eng)
Nyckelord
- TCP
- packet aggregation
- Wireless Mesh Networks
- transport layer performance
- Computer Science
- Datavetenskap
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