Presentation 2010-03-04
Flow-based Path Selection Scheme with Waiting Status in Intermittently Connected Networks
Yuya YAMADA, Hitomi TAMURA, Masato UCHIDA, Masato TSURU, Yuji OIE,
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Abstract(in English) To meet the emerging demand for ubiquitous information services, the networking technologies applicable to challenged networks in which link states (e.g., packet loss, delay, and connectivity) heavily vary are required. In particular, the spatial and temporal dynamic resource allocation/selection is essential. Our work focuses on how to assign each incoming traffic flow to a path among multiple wireless access paths connected to the Internet, some are broadband but with intermittent connectivity and some are stable but narrowband. In our previous work, we investigated a path selection scheme which allows an incoming flow to wait for the recovery of a currently disconnected path within a pre-defined fixed waiting time. The scheme has a potential but its performance limitation results from the fact that the waiting time could not be changed depending on the situation of the paths and the flows. In this study, therefore, we propose a new scheme that selects a path based on some metric which could be dynamically changed depending on the paths and flows conditions. This scheme can implicitly wait for the resumption of a disconnected path. We investigate what kind of information on the paths and flows is essential to define a good metric for the best path selection reducing flow transmission delay time.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Intermittently Connected Networks / Path Selection / Waiting Option / DTN
Paper # NS2009-168
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Committee NS
Conference Date 2010/2/25(1days)
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Registration To Network Systems(NS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Flow-based Path Selection Scheme with Waiting Status in Intermittently Connected Networks
Sub Title (in English)
Keyword(1) Intermittently Connected Networks
Keyword(2) Path Selection
Keyword(3) Waiting Option
Keyword(4) DTN
1st Author's Name Yuya YAMADA
1st Author's Affiliation Graduate School of Computer Science and Systems Engineering, Kyushu Institute of Technology()
2nd Author's Name Hitomi TAMURA
2nd Author's Affiliation National Institute of Information and Communications Technology(NICT):Network Design Research Center, Kyushu Institute of Technology
3rd Author's Name Masato UCHIDA
3rd Author's Affiliation Network Design Research Center, Kyushu Institute of Technology
4th Author's Name Masato TSURU
4th Author's Affiliation National Institute of Information and Communications Technology(NICT):Network Design Research Center, Kyushu Institute of Technology
5th Author's Name Yuji OIE
5th Author's Affiliation Network Design Research Center, Kyushu Institute of Technology
Date 2010-03-04
Paper # NS2009-168
Volume (vol) vol.109
Number (no) 448
Page pp.pp.-
#Pages 6
Date of Issue