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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Linwa, A.C.B. Pierre, S. |
| Copyright Year | 2005 |
| Description | Author affiliation: Ecole Polytech. de Montreal, Que., Canada (Linwa, A.C.B.; Pierre, S.) |
| Abstract | Discovering with QoS the geo-located Web services is a great challenge in the client mobility context. In this paper, we propose a mechanism that collects for a particular geo-located Web service in a specific domain controlled by a geo-located discovery server GLWSM (geo-located Web services manager) the network bandwidth and the utilization factor of a supplier application server (SAS). Data collected are used in the application servers' selection and migration criterion. For a specific geo-located Web service, a GLWSM sends periodically a collect traffic request to all SAS that offer the concerned service in his domain. Then, each implicated SAS executes two processes: the network bandwidth quotation and the SAS utilization factor collection. In the network bandwidth quotation, a SAS interact with the mobile anchor point (MAP) of a GLWSM domain, to collect the network bandwidth. Meanwhile, the SAS utilization factor consists of collecting the SAS processor rate. To justify the benefits of our concept, we built a prototype that uses the NS-2 simulator and the RSVP (resource reservation protocol) protocol and we analyzed the consistency of the GLWSA system. Results prove that the proposed concept has a better responsiveness compare to a similar discovery servers with QoS. |
| Starting Page | 5 |
| Ending Page | 12 |
| File Size | 519604 |
| Page Count | 8 |
| File Format | |
| ISBN | 0780391810 |
| DOI | 10.1109/WIMOB.2005.1512943 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-08-24 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Context-aware services Network servers Analytical models Protocols Web services Bandwidth Communication system traffic control Virtual prototyping Synthetic aperture sonar Next generation networking |
| Content Type | Text |
| Resource Type | Article |
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