Group-communication applications are a very promising opportunity for developing valuable MANET-based applications. However, real-world experimental studies are required to indicate the best solutions to implement them. We have implemented a real prototype in which alternative networking stacks can be used to support a distributed Whiteboard application. By means of experimental results we show...

After the spread of Covid-19 outbreak had an effect on world education, changes to learning system were directed online home study policy. This aims determine management competency achievement in Pastry course. research method uses a quantitative by comparing student outcomes during pandemic and before course at IKK FPP UNP department. The is basic practical that requires more direct lecturer g...

In particular, we address the problem of each peer choosing the k best pointers to store in addition to its index pointers to minimize the average query lookup times. We focus on two popular P2P systems, namely Pastry and Chord: we exploit the inherent structure of these systems to develop efficient, scalable algorithms for optimally choosing the k additional pointers. Simulations with Chord an...

Current Instant Messaging systems rely on architectures that include central, or only partly distributed, server(s). Although some systems can exchange messages peer-to-peer, the user registration and lookup are still based on a centralized solution. We have implemented a fully distributed instant messaging system by utilizing the Pastry peer-to-peer routing substrate. We use the Pastry object ...

Background & Aims of the Study: Given the importance of microbial contamination in creating food-borne diseases, this study was conducted to assess level of microbial contamination of pastry creams in Hamedan, Iran. Materials and Methods: Totally, 80 samples were randomly collected from the confectioneries and analyzed for microbial contamination according to Iranian nati...

Overlay networks are widely used for locating and disseminating information by means of custom routing and forwarding on top of an underlying network. Distributed Hash Table (DHT) based overlays in particular, provide good scalability and load balancing properties. However, these come at the cost of inefficient routing, caused by the lack of adaptation to the underlying network, as DHTs often o...