منابع مشابه
Streaming Capacity in Peer-to-Peer Networks with Topology Constraints
Peer-to-peer (P2P) systems have shown enormous potential in delivering live streaming content for both IPTV and video conferencing. The fundamental capacity limits of the supported streaming rate by P2P, however, remains unclear, especially with topology constraints. We develop the first unifying framework and approximation algorithms that can compute the streaming capacity of a P2P network ove...
متن کاملReplication in Unstructured Peer-to-Peer Networks with Availability Constraints
Random walks have been proven a scalable search strategy for unstructured peerto-peer (P2P) networks. In a random walk, a query message is forwarded at each step to a randomly chosen neighbor for a limited number of hops. If random walks are employed as a search strategy, data replication is an important method to increase the probability of successful search. In this context, we investigate th...
متن کاملشناسایی مبتنی بر میزبان کرم واره ها در شبکه های peer-to-peer
کرم واره ها (کرم های کامپیوتری)، به علت قابلیت انتشار مستقل و اثرات مخربی که می توانند بر جای بگذارند، یکی از بزرگترین تهدیدات شبکه محسوب می گردند. روش های تشخیص کرم واره باید از سرعت بالایی برخوردار بوده، نرخ خطای پایینی داشته و قابلیت تشخیص کرم واره ها ی جدید را نیز داشته باشند. شبکه های جدیدی مانند شبکه peer-to-peer (p2p)باعث به وجود آمدن زمینه جدیدی برای فعالیت کرم واره ها شده اند. کرم واره...
15 صفحه اولGroup Collaboration, Scaffolding Instruction, and Peer Assessment of Iranian EFL Learners Oral Tasks
Peer assessment has gained growing popularity in education and teaching. Being a learning tool, evaluating their peers can equip learners with skills to develop judgments about what forms high-quality work. There have been however research gaps in the literature showing a lack of adequate work on the investigation of peer assessment in a group-oriented classroom context. The present study inten...
متن کاملTAC: A Topology-Aware Chord-based Peer-to-Peer Network
Among structured Peer-to-Peer systems, Chord has a general popularity due to its salient features like simplicity, high scalability, small path length with respect to network size, and flexibility on node join and departure. However, Chord doesn’t take into account the topology of underlying physical network when a new node is being added to the system, thus resulting in high routing late...
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ژورنال
عنوان ژورنال: Trabalhos em Linguística Aplicada
سال: 2008
ISSN: 0103-1813
DOI: 10.1590/s0103-18132008000100002