Reconfigurable Application Networks through Peer Discovery and Handovers

This Master thesis work was carried out at theWireless Center at KTH and it is part of a pilot project. This thesis is conducted for the Institute for Microelectronics and Information Technology (IMIT) at the Royal Institute of Technology (KTH) in Stockholm (Sweden) and for the Department of Telecom...

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Main Author: Gioacchino Cascella, Roberto
Format: Others
Language:English
Published: KTH, Mikroelektronik och Informationsteknik, IMIT 2003
Subjects:
Online Access:http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-93115
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spelling ndltd-UPSALLA1-oai-DiVA.org-kth-931152013-01-08T13:51:45ZReconfigurable Application Networks through Peer Discovery and HandoversengGioacchino Cascella, RobertoKTH, Mikroelektronik och Informationsteknik, IMIT2003wireless reconfigurable networksSession Initiation Protocol (SIP)context meta-dataservice discoveryTECHNOLOGYTEKNIKVETENSKAPThis Master thesis work was carried out at theWireless Center at KTH and it is part of a pilot project. This thesis is conducted for the Institute for Microelectronics and Information Technology (IMIT) at the Royal Institute of Technology (KTH) in Stockholm (Sweden) and for the Department of Telecommunications at Politecnico di Torino in Turin (Italy). This thesis addresses an area with significant potential for offering services to mobile users. In such a scenario users should have minimal interaction with applications which, by taking into account available context information, should be able to make decisions, such as setting up delivery paths between peers without requiring a third party for the negotiation. In wireless reconfigurable networks, the mobile users are on the move and must deal with dynamic changes of network resources. In such a network, mobile users should be able to contact other peers or resources by using the current route. Thus although manual configuration of the network is a possible solution, it is not easily used because of the dynamic properties of the system which would demand too much user interaction. However, existing discovery protocols fall short of accomodating the complexity of reconfigurable and heterogeneous networks. The primary objective of this thesis work was to investigate a new approach at the application level for signaling by taking advantage of SIP’s features. The Session Initiation Protocol (SIP) is used to provide naming and localization of the user, and to provide functionality to invite users to establish sessions and to agree on communication parameters. The Specific Event Notification of the SIP protocol provides a framework for the notification of specific events and I believed that it could be instantiated as solution to the problem for reconfigurable application networks. This thesis proposes a method for providing localization information to SIP User Agents in order to establish sessions for service discovery. Furthermore, this method should consider context meta-data to design strategies effective in heterogeneous networks. A viable solution must support (re)location of users at the application layer when they roam between different wireless networks, such as GPRS and WLAN. An analysis of the implications of the proposed model is presented; in this analysis emphasis has been placed on how this model interacts with existing services. Student thesisinfo:eu-repo/semantics/bachelorThesistexthttp://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-93115application/pdfinfo:eu-repo/semantics/openAccess
collection NDLTD
language English
format Others
sources NDLTD
topic wireless reconfigurable networks
Session Initiation Protocol (SIP)
context meta-data
service discovery
TECHNOLOGY
TEKNIKVETENSKAP
spellingShingle wireless reconfigurable networks
Session Initiation Protocol (SIP)
context meta-data
service discovery
TECHNOLOGY
TEKNIKVETENSKAP
Gioacchino Cascella, Roberto
Reconfigurable Application Networks through Peer Discovery and Handovers
description This Master thesis work was carried out at theWireless Center at KTH and it is part of a pilot project. This thesis is conducted for the Institute for Microelectronics and Information Technology (IMIT) at the Royal Institute of Technology (KTH) in Stockholm (Sweden) and for the Department of Telecommunications at Politecnico di Torino in Turin (Italy). This thesis addresses an area with significant potential for offering services to mobile users. In such a scenario users should have minimal interaction with applications which, by taking into account available context information, should be able to make decisions, such as setting up delivery paths between peers without requiring a third party for the negotiation. In wireless reconfigurable networks, the mobile users are on the move and must deal with dynamic changes of network resources. In such a network, mobile users should be able to contact other peers or resources by using the current route. Thus although manual configuration of the network is a possible solution, it is not easily used because of the dynamic properties of the system which would demand too much user interaction. However, existing discovery protocols fall short of accomodating the complexity of reconfigurable and heterogeneous networks. The primary objective of this thesis work was to investigate a new approach at the application level for signaling by taking advantage of SIP’s features. The Session Initiation Protocol (SIP) is used to provide naming and localization of the user, and to provide functionality to invite users to establish sessions and to agree on communication parameters. The Specific Event Notification of the SIP protocol provides a framework for the notification of specific events and I believed that it could be instantiated as solution to the problem for reconfigurable application networks. This thesis proposes a method for providing localization information to SIP User Agents in order to establish sessions for service discovery. Furthermore, this method should consider context meta-data to design strategies effective in heterogeneous networks. A viable solution must support (re)location of users at the application layer when they roam between different wireless networks, such as GPRS and WLAN. An analysis of the implications of the proposed model is presented; in this analysis emphasis has been placed on how this model interacts with existing services.
author Gioacchino Cascella, Roberto
author_facet Gioacchino Cascella, Roberto
author_sort Gioacchino Cascella, Roberto
title Reconfigurable Application Networks through Peer Discovery and Handovers
title_short Reconfigurable Application Networks through Peer Discovery and Handovers
title_full Reconfigurable Application Networks through Peer Discovery and Handovers
title_fullStr Reconfigurable Application Networks through Peer Discovery and Handovers
title_full_unstemmed Reconfigurable Application Networks through Peer Discovery and Handovers
title_sort reconfigurable application networks through peer discovery and handovers
publisher KTH, Mikroelektronik och Informationsteknik, IMIT
publishDate 2003
url http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-93115
work_keys_str_mv AT gioacchinocascellaroberto reconfigurableapplicationnetworksthroughpeerdiscoveryandhandovers
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