Network Architectures for Ubiquitous Home Services Warodom WERAPUN, Julien FASSON, Beatrice PAILLASSA University of Toulouse, IRIT Laboratory, INP – ENSEEIHT email: {warodom.werapun, beatrice.paillassa, julien.fasson}@enseeiht.fr Abstract— The on-going growth of connectivity has brought new opportunities for Home Network; Home network will soon be a place of a large amount of services, from the gadget to the home control. In order to provide and render these services, operator should propose a framework for supporting the deployment of new services. This paper focuses on home services, proposing an overview of potential service architectures. Then a photo sharing services validates through implementation the concepts of Home Services and an analysis of architecture complexity is proposed to conclude this work. Keywords— home network, network architecture, home services, P2P, IMS, SIP. I. INTRODUCTION With the rapid growth of the Internet, more and more users have an Internet access at home. This connectivity is rendered by a set top box proposing a set of services. However, most of these services are simple and static (mainly triple play) and are only managed by the network operator. In the same time, web evolution has lead to miscellaneous services like photo sharing (picasaweb), video sharing services (youtube), social networks (facebook), etc. Such services offer more interactivity and can be directly managed by users. Nevertheless, in some cases service providers become owner of personnel data, inducing an issue of privacy for user and an issue of content right for providers. Also, the management by operator of home service enabling a local management and storage of service content solves the issue of privacy that user encounters with web services. Indeed service providers become owner of any piece of information you share through the service. Home service may also simplify the issue of copyright that provider encounters with illegal piece of information. However the responsibility of service provider may be engaged depending on way of referencing the content, as for the P2P trackers for bittorrent. The challenge is to merge the dynamic web services at the set top box so as to propose a direct management of their services to users through their home network. As we aim at integrating service at home, we need a suitable network architecture to support service deployment and data flow. This paper introduces home network concept, their services and their needs. Then convenient network architectures for home services are proposed. A simple service is implemented to illustrate our deployment of home services. Eventually an analysis of network architectures concludes this paper. II. HOME NETWORK AND SERVICES A. Context Home Network (HN) is a small network which connects all home terminal devices together (Figure 1). Deploying services between on the HN will bring a lot of possibilities and new service uses (e.g., view photos from mobile phone on a large television screen; remotely control an air condition from any ubiquitous terminal devices, etc.). Since through the HN a user can access private resources and command all connected terminal devices remotely, the network must be secure. Figure 1: Home network example Home Services (HS) are a set of miscellaneous ubiquitous services that operate at home. A same user may access to his services through miscellaneous types of access networks from a lot of devices, especially with the growth of portable technologies. In addition, these ubiquitous home services can be deployed from home by a network operator or directly by user. They can be controlled both locally and remotely. (e.g., change radio channel from personnel computer at home, check refrigerator information from mobile home remotely). There are different types of HS. A HS can be static or dynamic. A static service is managed by the operator (e.g., TV service) and home user can just use it since they are installed by the network operator. Dynamic services are controlled services that the service owner is able to manage or change without interrupting the system (e.g., multimedia 269 UBICOMM 2010 : The Fourth International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies Copyright (c) IARIA, 2010 ISBN: 978-1-61208-100-7