I-TCP: indirect TCP for mobile hosts

IP based solutions to accommodate mobile hosts within existing internetworks do not address the distinctive features of wireless mobile computing. IP-based transport protocols thus suffer from poor performance when a mobile host communicates with a host on the fixed network. This is caused by freque...

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Bibliographic Details
Published in:Proceedings of 15th International Conference on Distributed Computing Systems pp. 136 - 143
Main Authors: Bakre, A., Badrinath, B.R.
Format: Conference Proceeding
Language:English
Published: IEEE 1995
Subjects:
Internet
Mobile communication
Mobile computing
TCPIP
Testing
Throughput
Transport protocols
ISBN:9780818670251, 0818670258
ISSN:1063-6927
Online Access:Get full text
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Summary:IP based solutions to accommodate mobile hosts within existing internetworks do not address the distinctive features of wireless mobile computing. IP-based transport protocols thus suffer from poor performance when a mobile host communicates with a host on the fixed network. This is caused by frequent disruptions in network layer connectivity due to i) mobility and ii) unreliable nature of the wireless link. We describe I-TCP, which is an indirect transport layer protocol for mobile hosts. I-TCP utilizes the resources of Mobility Support Routers (MSRs) to provide transport layer communication between mobile hosts and hosts on the fixed network. With I-TCP, the problems related to mobility and unreliability of wireless link are handled entirely within the wireless link; the TCP/IP software on the fixed hosts is not modified. Using I-TCP on our testbed, the throughput between a fixed host and a mobile host improved substantially in comparison to regular TCP.
ISBN:9780818670251
0818670258
ISSN:1063-6927
DOI:10.1109/ICDCS.1995.500012