College of Vocational IPB University (SV-IPB) uses a client-server system as an information technology architecture. The server provides several services that are used to assist the teaching and learning process at School. application provide is Modular Object-Oriented Dynamic Learning Environment (MOODLE) which for e-learning. SV-IPB two Virtual Machines web database server. use single replace...

This work proposes an architectural style, a pattern, for SDIs. This style provides a tool and a shared vocabulary to help system architects to design these infrastructures, and facilitates the exchange of knowledge about them. This style is defined under the component-andconnector architectural viewtype, extending the client-server and shared-data styles. The style has been created after analy...

We implement a distributed lock service called SimpleChubby similar to the original Google Chubby lock service[1]. It intends to help implement distributed synchronization. SimpleChubby exposes a simple Unix-like file system interface combined with lock primitives and event subscription. Leveraging such interface, we build three distributed synchronization applications, namely leader election, ...

This paper proposes an architecture for designing fault-tolerant distributed object systems. The proposed architecture attempts to bring advances in client-server, remote procedure call, reliable group communication, and object orientation technologies under a uni ed architecture to ease application developers' work of building reliable distributed systems. The result application systems should...

Video-on-demand (VoD) systems have traditionally been built on the client-server architecture, where a video server stores, retrieves, and transmits video data to video clients for playback. This paper investigates a radically different approach to building VoD systems, one where the server, and hence the primary bottleneck, is completely eliminated. This server-less architecture comprises homo...

Many emerging mobile applications and services require playback of streaming media. In this paper we describe an adaptable system architecture to implement mobile streaming services. The main components of this architecture are the streaming server, the multicast proxy and the mobile client. The main novelty of our approach lies on the client which is designed to fit most mobile devices. The st...

This paper proposes an efficient algorithm for clustering nodes, classifying and replication of content on demand basis for content distribution in p2p overlay networks. Peer-to-peer overlay networks are a good solution for distributed computing than client-server model since nodes in P2P networks act both as client and server. With such functionality of managing replicas is an astonishing task...

In order to access TCP/IP networks (mainly the Internet) through GSM links,. we have designed an architecture based in the indirect model of client/server interaction, where an intermediate element acts as a bridge between GSM and the rest of the data network. We have replaced the TCP connection in the client-proxy link with a simpler protocol. This allows maintaining the protocols in server ma...

Many database applications adopt a client-server architecture, in which data resides on a server that receives queries from a client. For each client’s query, the server often needs to transfer to the client a large amount of data that is an answer to the query. The communication network in these environments could become a bottleneck in the computation. In this paper we study how to minimize t...

We present Sentitext, a client-server architecture, sentiment analysis system for the Spanish language whose most distinctive feature is being knowledge-based. First we describe the lexical knowledge sources that the software uses for its analysis, and then we describe the analyzer itself. We demonstrate the first on-line client application, developer in Adobe Flex.