Davies, Nigel and Friday, Adrian and Blair, Gordon S. and Cheverst, Keith (1996) Distributed Systems Support for Adaptive Mobile Applications. Mobile Networks and Applications, 1 (4). pp. 399-408. ISSN 1383-469X
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Abstract
Mobile applications must operate in environments which experience rapid and significant fluctuations in the Quality of Service (QoS) offered by their underlying communications infrastructure. These fluctuations may be the result of explicit changes between networks, increased competition for network resources or degradation of service due to environmental factors. In order to continue to operate effectively mobile applications must be capable of adapting to these changes. This paper reports on the design and implementation of a number of services to support adaptive applications. In particular, the paper describes in detail a Remote Procedure Call protocol (RPC) called QEX which has been designed to adapt to changes in communications QoS and to provide feedback to applications when changes to the QoS occur. QEX has been implemented as part of the ANSAware distributed systems platform and together with a number of other services described in this paper enables ANSAware to support advanced mobile applications.
| Item Type: | Article |
|---|---|
| Journal or Publication Title: | Mobile Networks and Applications |
| Uncontrolled Keywords: | cs_eprint_id ; 1480 cs_uid ; 352 |
| Subjects: | Q Science > QA Mathematics > QA75 Electronic computers. Computer science Q Science > QA Mathematics > QA76 Computer software |
| Departments: | Faculty of Science and Technology > School of Computing & Communications |
| ID Code: | 12972 |
| Deposited By: | ep_importer_comp |
| Deposited On: | 13 Jun 2008 23:30 |
| Refereed?: | Yes |
| Published?: | Published |
| Last Modified: | 26 Jul 2012 15:04 |
| Identification Number: | |
| URI: | http://eprints.lancs.ac.uk/id/eprint/12972 |
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