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Understanding and discussing the security aspects of IT systems during their development is challenging for both domain specialists and IT experts - neglecting this aspect leads to communication problems and, eventually, to less secure systems. An important factor for these challenges is the distribution and variety of basic IT security concepts, attacks, and countermeasures, e.g., in the standard...
We present Badumna Network Suite, a network engine for massively multiplayer online (MMO) applications. MMO applications such as World of Warcraft and Second Life use client-server architecture. This architecture has several drawbacks such as high deployment costs, single point of failure and lack of scalability. Badumna's goal is to scale to truly massive player counts using minimal operator owned...
Grid computing, utility computing, P2P computing, service computing and cloud computing, such as technological development is leading the future of networks resources, services resources, data resources toward shared, on-demand, and the tendency of promoting utility. To develop an internationally advanced course of study on service sciences has enormous opportunities, especially in service composing,...
Name Services for the Internet of Things (specifically, the EPCglobal Network) are distributed systems that serve the following fundamental lookup function: Given an identifier for a real-world object, e.g., an Electronic Product Code (EPC), they return a list of Internet addresses of services, which offer additional information about this object. Without name services acting as a broker between items...
Various security and privacy issues have emerged from the SOA healthcare platform. Large amounts of personal data are transmitted daily through the SOA healthcare platform. For security and privacy reasons, the exchanged data should be encapsulated and encoded by a specific standard, a customized standard even. In this study, we first focused on investigating the importance of data exchange and message...
This paper discusses how to extend service discovery mechanisms to support a scalable querying and indexing system that addresses security requirements related to existing service discovery standards. Through the use of an onion routing protocol, anonymizing the publication and the access to service profiles, combined with a P2P registry infrastructure we propose a scalable and secure service discovery...
Due to their two main applications, instant messaging and file sharing, peer-to-peer (P2P) systems are gaining more and more attention. JXTA, an interoperable and platform independent peer-to-peer computing infrastructure, has been adopted in an increasing number of network applications providing cooperative services and more specifically a file-sharing service through the CMS layer (content manager...
As the evolution of applications, software systems become more and more complex. However, it is a challenge to deliver easy-to-use and reliable large-scale distributed software systems. This paper first reviews current requirements on software systems and the progress made and then reports our effort in delivering a more usable and reliable large-scale distributed software development framework (iFrame)...
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