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i want storing and indexing spatial data in p2p systems iee project documentation and ppt ....etc

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I WANT DOCUMENTATION FOR STORING AND INDEXING SPATIAL DATA FOR P2P SYSTEMS ....etc

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Storing and Indexing Spatial Data in P2P Systems



Abstract

Our goal is to create from scratch a technique that is inherently distributed and also maintains the multidimensionality of data. Our focus is on structured P2P systems that share spatial information. We present SPATIALP2P, a totally decentralized indexing and searching framework that is suitable for spatial data. SPATIALP2P supports P2P applications in which spatial information of various sizes can be dynamically inserted or deleted, and peers can ....etc

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Abstract:
Presented By:
Daniel Stutzbach, Reza Rejaie
Subhabrata Sen
During recent years, peer-to-peer (P2P) le-sharing sys- tems have evolved in many ways to accommodate growing numbers of participating peers. In particular, new features have changed the properties of the unstructured overlay topology formed by these peers. Despite their importance, little is known about the characteristics of these topologies and their dynamics in modern le-sharing applications. This paper presents a detailed characterization of P2P overlay topo ....etc

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The Server Reassignment Problem for Load Balancing in Structured P2P Systems-IEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS, VOL. 19, NO. 2, F
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Abstract
Application-layer peer-to-peer (P2P) networks are considered to be the most important development for next-generation Internet infrastructure. For these systems to be effective, load balancing among the peers is critical. Most structured P2P systems rely on ID-space partitioning schemes to solve the load imbalance problem and have been known to result in an imbalance fa ....etc

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Am looking for designing less structured p2p systems for the expected high churn project code ..if u have post it ....etc

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DESIGNING LESS-STRUCTURED P2P SYSTEMS FOR THE EXPECTED HIGH CHURN

ABSTRACT:

We address the problem of highly transient populations in unstructured and loosely structured peer-to-peer (P2P) systems. We propose a number of illustrative query-related strategies and organizational protocols that, by taking into consideration the expected session times of peers (their lifespan), yield systems with performance characteristics more resilient to the natural instability of their environments. We first dem ....etc

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Spatial Data Query Support in Peer-to-Peer Systems



Motivation

Spatial data sets are used for many applications, e.g., GIS, CAD,
P2P systems provide a distributed platform that is very scalable.
Pros:
Scalability, no central point of failure
Cons:
Very dynamic (unreliable), topology maintenance required

Distributed Hash Tables (DHT)

DHT systems: Content Addressable Network (CAN), Chord, Pastry, etc.
Using DHT to allocate large data sets to many nodes with no ....etc

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