On Maximizing Revenue for Client-Server Based Wireless Data Access in the Presence of Peer-To-Peer Sharing

With the emergence of wireless devices, service delivery for ad-hoc networks has started to attract a lot of attention recently. Ad-hoc networks provide an attractive solution for networking in the situations where network infrastructure or service subscription is not available. We believe that overlay networks, particularly peer-to-peer (P2P) systems, is a good abstraction for application design and deployment over ad-hoc networks. The principal benefit of this approach is that application states are only maintained by the nodes involved in the application execution and all other nodes only perform networking related functions. On the other hand, data access applications in Ad-hoc networks suffer from restricted resources. In this thesis, we explore how to use Cooperative Caching to improve data access efficiency in Ad-hoc network. We propose a Resource-Aware Cooperative Caching P2P system (RACC) for data access applications in Ad-hoc networks. The objective is to improve data availability by considering energy of each node, demand and supply of network. We evaluated and compared the performance of RACC with Simple Cache, CachePath and CacheData schemes. Our simulation results show that RACC improves the lay of query as well as energy usage of the network as compared to Simple Cache, CachePath and CacheData.

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Hybrid Client-Server, Peer-to-Peer framework for MMOG

2010 IEEE International Conference on Multimedia and Expo ◽

10.1109/icme.2010.5583228 ◽

2010 ◽

Cited By ~ 5

Author(s):

Chr Carter ◽

Abdennour El Rhalibi ◽

Madjid Merabti ◽

A. Taleb Bendiab

Keyword(s):

Peer To Peer ◽

Client Server

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Application of Wireless Data Grids for Health Informatics

Encyclopedia of Healthcare Information Systems ◽

10.4018/978-1-59904-889-5.ch009 ◽

2008 ◽

pp. 61-67 ◽

Cited By ~ 1

Author(s):

Omer Mahmood

Keyword(s):

Health Informatics ◽

Data Access ◽

Rural And Remote ◽

Wireless Data ◽

Remote Communities ◽

Remote Areas ◽

Lack Of Information ◽

Health Practitioners ◽

Rural And Remote Areas ◽

Information And Communication

Distance and inaccessibility create special challenges for health practitioners in rural and remote areas. Health professionals in rural and remote areas face problems such as prescription concerns due to lack of information. This occurs due to a gap in knowledge regarding medications, as health practitioners do not have access to medical history of their patients. Frequent migration of patients in rural and remote communities results in the loss of patients’ medical records. In addition, doctors have limited access to therapeutic information, as searching the Internet from most remote communities is expensive and slow. In addition, frequent migration of patients in remote communities results in the loss of patients’ histories. This chapter proposes a refined conceptual health information management model based on the model presented by Mahmood (2006). The discussed model is based on the use of Data Grid technology and Data Recharging techniques employed in conjunction with wireless communication technologies to overcome the problems and challenges faced by health practitioners. The model categorizes the health establishments in remote areas into two categories on the basis of geographical characteristics and data access requirements. The discussed model aims to meet information and communication technology (ICT) requirements of health practitioners operating in each recognized category.

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A Secure Wireless Data Access Service for the Government of Canada

Mobile Government ◽

10.4018/978-1-59140-884-0.ch016 ◽

2007 ◽

pp. 318-338

Author(s):

Howie Macumber ◽

Bing Cheung

Keyword(s):

Data Access ◽

Spectrum Management ◽

Public Works ◽

Wireless Data ◽

Ieee 802.11B ◽

Government Services ◽

Access Service ◽

The Government ◽

Government Of Canada ◽

Technological Perspective

This chapter examines work conducted by Public Works and Government Services Canada, a department of the Government of Canada (GoC), to assess the potential for a Secure Wireless Data Access Service (SWDAS) that is envisaged to be provided as a common service to departments and agencies of the GoC. The main focus of the work has been on Wi-Fi, especially the IEEE 802.11b standard, and its application. Areas examined include technology, security, spectrum management, user surveys, applications, business, ?nance, service trial, future trends, and recommendations for the implementation of Wi-Fi in government. It is demonstrated that the application of Wi-Fi technology in the GoC would be bene?cial for the government workforce from both a ?nancial and a technological perspective.

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Peer-to-Peer Technology for File Sharing

Encyclopedia of Virtual Communities and Technologies ◽

10.4018/978-1-59140-563-4.ch071 ◽

2011 ◽

pp. 372-377

Author(s):

S. H. Kwok ◽

Y. M. Cheung ◽

K. Y. Chan

Keyword(s):

File Sharing ◽

Peer To Peer ◽

Research Projects ◽

P2p Networks ◽

P2p Computing ◽

Client Server ◽

P2p Systems ◽

Internet Users ◽

P2p File Sharing ◽

P2p Applications

A recent survey revealed that 18 millions American Internet users, or approximately 14% of total American Internet population have peer-to-peer (P2P) file-sharing applications running on their computers (Rainie & Madden, 2004). Not surprisingly, P2P applications have become common tools for information sharing and distribution since the appearance of Napster (Napster, 2003) in 1999. P2P systems are the distributed systems in which all nodes are equal in terms of functionality and able to directly communicate with each other without the coordination of a powerful server. Anonymity, scalability, fault resilience, decentralization and self-organization are the distinct characteristics of P2P computing (Milojicic et al., 2002) compared with the traditional client-server computing. P2P computing is believed to be capable of overcoming limitations of the computing environment placed by the client-server computing model. Milojicic et al. (2002), for example, suggested that P2P computing is capable of providing improved scalability by eliminating the limiting factor, the centralized server existing in the client-server computing. In the past few years, P2P computing and its promised characteristics have caught the attention of researchers who have studied the existing P2P networks, and the advantages and disadvantage of P2P systems. Important findings include the excessive network traffic caused by flooding-based searching mechanism that must be tackled in order to fully utilize the improved scalability of P2P systems (Matei, Iamnitchi, & Foster, 2002; Portmann & Seneviratne, 2002). There were proposed efficient searching techniques targeted for both structured and unstructured P2P systems. Other research projects were conducted to study, and were intended to complement, the drawbacks brought by distinct characteristics of P2P systems. For example, the P2P users’ free-riding behavior is generally attributed to the anonymity of such form of communication (Adar & Huberman, 2000). Recent research projects have shifted to a new line of investigation of P2P networks from the economic perspective and applications of P2P systems in workplaces (Kwok & Gao, 2004; Tiwana, 2003).

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