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Author: search.filters.author.Prabhavat, SumetSubject: search.filters.subject.Load Distribution

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    Load distribution using modified RED for multipath TCP communication
    (2013-01-01)
    Prabhavat, Sumet
    ;
    Varakulsiripunth, Ruttikorn
    ;
    Utsumi, Satoshi
    ;
    Kato, Yasushi
    Demand for large bandwidth network connections is growing continuously while network connections via multiple paths can exist because of high degree of connectivity. Utilization of the multiple paths is an economical solution for provisioning large network capacity to meet the users' requirements but it brings about key issues such as load imbalance (causing a large queue and buffer overflow at a gateway) and packet reordering problems that have significant impacts on TCP connections. In this paper, we propose a load distribution model for TCP transmission, called Load Distribution over Multipath with Extended Drop Slope Random Early Detection (LDM/ExRED). LDM/ExRED takes advantages of RED mechanism to maintain a small queue, avoid buffer overflow at a gateway, and mitigate packet reordering problem. In addition, it reduces peak buffer occupancy by using our modified RED (i.e., ExRED). Our work will be evaluated and compared to the other existing models by simulations under realistic traffic conditions. © 2013 IEEE.
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    On load distribution over multipath networks
    (2012-01-01)
    Prabhavat, Sumet
    ;
    Nishiyama, Hiroki
    ;
    Ansari, Nirwan
    ;
    Kato, Nei
    Efficient utilization of network resources, provided by multiple interfaces available on today devices, is critical in facilitating parallel connections through multiple paths. Load distribution strategies in using multiple interfaces for simultaneous data transmission have been studied. This paper presents a thorough literature review of various existing load distribution models, and classifies them in terms of their key functionalities such as traffic splitting and path selection. Based on a number of significant criteria such as the ability to balance load and to maintain packet ordering, along with several other issues, which affect network performance perceived by users, we analyze various examples of existing models, and then compare and identify their exhibited advantages as well as shortcomings. © 2012 IEEE.