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The document proposes an asymmetric cooperative caching approach for wireless peer-to-peer networks. It aims to reduce overhead by transmitting data requests to all node caches but replies only to intermediate caches that need to store the data. This allows data pipelining to reduce end-to-end delay. The paper describes designing and implementing this cooperative cache for a wireless P2P network and solutions for determining optimal cache locations.
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This document provides a software requirement specification for a social networking site. It describes the purpose of the site as connecting people to discuss ideas through communities. It outlines the existing system's focus on business and entertainment but inability to conduct debates. The proposed system would provide a common platform for online debates, tagging social responsibilities. It includes functional requirements for users to login, create profiles, and post views. Non-functional requirements include scalability, speed, security, and authentication. Finally, it models the system through class, sequence, use case, and state diagrams and provides screenshots of the signup, login, home, and commenting pages.
Peer to peer Networks
What is P2P networks, history, architecture, advantages and weaknesses, Legal issues, Security and Privacy issues, Economic issues, Applications of use and Future developments (April, 2010).
Peer to peer system
This document contains study of Peer to Peer Distributed system.Three Models of Distributed system.Such as Centralizes,Decentralized,Hybird Model and Pros and cons of these models. Skpye and Bit torrent architecture is also discussed.This tutorial can be very help full for those who are beginners.
Social networking
This document provides a software requirements specification for a social networking website. It contains 3 milestones that outline the purpose, functions, and design of the social networking site. Milestone 1 introduces the document and defines the product scope. Milestone 2 describes the product perspective, functions, operating environment, and interface requirements. It includes flow diagrams and interface designs. Milestone 3 covers the design phase, work distribution, and planning chart for the social networking website project. The document was prepared by 5 individuals and provides a requirements specification for developing a social media site.
Social Networking Project (website) full documentation
This document discusses the scope and requirements for developing a social networking site called Netlink. It will include features for profile management, friend organization, photo sharing, communities, and messaging. The system will allow users to create profiles, manage friend lists, upload photos to personal albums, join interest-based communities, and communicate with friends. It will be developed by SYSINNOVA InfoTech, an ISO-certified software company based in Bangalore, India specializing in web and enterprise applications. Functional requirements include classes for user accounts, profiles, privacy settings, chat, events, links, notes, and pages to support the key social networking features.
Ad-Hoc Networks
The document discusses ad-hoc networks and their key characteristics. It describes several challenges in ad-hoc networks including limited battery power, dynamic network topology, and scalability issues. It also summarizes several ad-hoc network routing protocols (e.g. DSDV, AODV, DSR), addressing both table-driven and on-demand approaches. Additionally, it outlines some ad-hoc MAC protocols like MACA and PAMAS that aim to manage shared wireless medium access.
Mobile Ad hoc Networks
Mobile ad hoc networks (MANETs) are formed spontaneously by wireless devices without any preexisting infrastructure. Nodes in a MANET are free to move and dynamically change the network topology. MANETs have applications in military operations, emergency response, education, and home/office use. Key challenges include dynamic topology, limited resources, and lack of centralized management. Media access control protocols address issues like hidden and exposed terminals. Routing protocols can be proactive (table-based) or reactive (on-demand) to find routes between nodes in the changing network.
Bhopal Gas Tragedy case study
The Bhopal gas tragedy was one of the worst industrial disasters, exposing over 500,000 people to toxic gas. On December 3, 1984, a leak of methyl isocyanate gas and other chemicals from the Union Carbide pesticide plant in Bhopal, India exposed nearby residents. Over 20,000 people died in the initial aftermath and thousands more died from complications in later years. The toxic gases and chemicals caused numerous injuries and long-term health issues among survivors. While Union Carbide and later Dow Chemical denied full responsibility, the incident highlights the human and environmental costs of industrial accidents.
Peer To Peer Networking
Peer-to-peer (P2P) networks are a type of computer network architecture where individuals form a loose group to share resources directly with others in the group without a centralized server. There are two main types of P2P network structures - unstructured and structured. Unstructured networks do not use algorithms to organize the network, while structured networks use algorithms to optimize routing. Popular applications of P2P networking include file sharing, media streaming, grid computing, instant messaging, and voice over internet protocol.
Bhopal gas tragedy - best presentation ever
The document summarizes the 1984 Bhopal gas tragedy in India, one of the world's worst industrial disasters. On the night of December 2-3, 1984, a leak of methyl isocyanate (MIC) gas from a pesticide plant owned by Union Carbide India Limited (UCIL) resulted in extreme exposure and death for thousands of people in the surrounding area. Key factors that contributed to the magnitude of the leak included improperly storing MIC in large tanks at unsafe temperatures, failures of safety systems, lack of operator training, and negligence in maintaining safety protocols. The official death toll was over 3,000 though other estimates suggest thousands more may have died from long term effects of the toxic gas exposure.
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Evaluation of a topological distance
In the last decade Peer to Peer technology has been thoroughly explored, becauseit overcomes many limitations compared to the traditional client server paradigm. Despite its advantages over a traditional approach, the ubiquitous availability of high speed, high bandwidth and low latency networks has supported the traditional client-server paradigm. Recently, however, the surge of streaming services has spawned renewed interest in Peer to Peer technologies. In addition, services like geolocation databases and browser technologies like Web-RTC make a hybrid approach attractive.
In this paper we present algorithms for the construction and the maintenance of a hybrid P2P overlay multicast tree based on topological distances. The essential idea of these algorithms is to build a multicast tree by choosing neighbours close to each other. The topological distances can be easily obtained by the browser using the geolocation API. Thus the implementation of algorithms can be done web-based in a distributed manner.
We present proofs of our algorithms as well as experimental results and evaluations.
International Journal of Computational Engineering Research(IJCER)
International Journal of Computational Engineering Research(IJCER) is an intentional online Journal in English monthly publishing journal. This Journal publish original research work that contributes significantly to further the scientific knowledge in engineering and Technology
A NEW ALGORITHM FOR CONSTRUCTION OF A P2P MULTICAST HYBRID OVERLAY TREE BASED...
In the last decade Peer to Peer technology has been thoroughly explored, because it overcomes many limitations compared to the traditional client server paradigm. Despite its advantages over a traditional approach, the ubiquitous availability of high speed, high bandwidth and low latency networks has supported the traditional client-server paradigm. Recently, however, the surge of streaming services has spawned renewed interest in Peer to Peer technologies. In addition, services like geolocation databases and browser technologies like Web-RTC make a hybrid approach attractive.
A NEW ALGORITHM FOR CONSTRUCTION OF A P2P MULTICAST HYBRID OVERLAY TREE BASED...
In the last decade Peer to Peer technology has been thoroughly explored, because it overcomes many limitations compared to the traditional client server paradigm. Despite its advantages over a traditional approach, the ubiquitous availability of high speed, high bandwidth and low latency networks has supported the traditional client-server paradigm. Recently, however, the surge of streaming services has spawned renewed interest in Peer to Peer technologies. In addition, services like geolocation databases and browser technologies like Web-RTC make a hybrid approach attractive. In this paper we present algorithms for the construction and the maintenance of a hybrid P2P overlay multicast tree based on topological distances. The essential idea of these algorithms is to build a multicast tree by choosing neighbours close to each other. The topological distances can be easily obtained by the browser using the geolocation API. Thus the implementation of algorithms can be done web-based in a distributed manner. We present proofs of our algorithms as well as practical results and evaluations.
Analyse the performance of mobile peer to Peer network using ant colony optim...
The document describes analyzing the performance of a mobile peer-to-peer network using ant colony optimization. It proposes using a distributed spanning tree (DST) structure to improve efficiency by reducing the large number of messages. The DST is optimized using ant colony optimization to give an optimal solution. Simulation results show the approach reduces the number of messages, average delay, and increases packet delivery ratio in the network.
AN INITIAL PEER CONFIGURATION ALGORITHM FOR MULTI-STREAMING PEER-TO-PEER NETW...
The growth of the Internet technology enables us to use network applications for streaming audio and
video.Especially, real-time streaming services using peer-to-peer (P2P) technology are currently
emerging.An important issue on P2P streaming is how to construct a logical network (overlay network) on
a physical network (IP network). In this paper, we propose an initial peer configuration algorithm for a
multi-streaming peer-to-peer network. The proposed algorithm is based on a mesh-pull approach where
any node has multiple parent and child nodes as neighboring nodes, and content transmitted between these
neighboring nodes depends on their parent-child relationships. Our simulation experiments show that the
proposed algorithm improves the number of joining node and traffic load.
AN INITIAL PEER CONFIGURATION ALGORITHM FOR MULTI-STREAMING PEER-TO-PEER NETW...
The growth of the Internet technology enables us to use network applications for streaming audio and
video.Especially, real-time streaming services using peer-to-peer (P2P) technology are currently
emerging.An important issue on P2P streaming is how to construct a logical network (overlay network) on
a physical network (IP network). In this paper, we propose an initial peer configuration algorithm for a
multi-streaming peer-to-peer network. The proposed algorithm is based on a mesh-pull approach where
any node has multiple parent and child nodes as neighboring nodes, and content transmitted between these
neighboring nodes depends on their parent-child relationships. Our simulation experiments show that the
proposed algorithm improves the number of joining node and traffic load.
Effective Data Retrieval System with Bloom in a Unstructured p2p Network
1) Bloomcast is an efficient and effective full-text retrieval scheme for unstructured peer-to-peer (P2P) networks. It guarantees perfect recall rates with high probability while reducing communication costs.
2) Bloomcast replicates documents across the P2P network using Bloom filters rather than the raw data. This reduces storage and communication costs for replication.
3) By leveraging a hybrid P2P protocol, Bloomcast uniformly distributes items randomly across the network. This allows for random node sampling and network size estimation while guaranteeing recall at a communication cost of O(√N), where N is the network size.
Effective data retrieval system with bloom in a unstructured p2p network
1) Bloomcast is an efficient and effective full-text retrieval scheme for unstructured peer-to-peer (P2P) networks. It guarantees perfect recall rates with high probability while reducing communication costs.
2) Bloomcast replicates documents across the P2P network using Bloom filters rather than the raw data. This reduces storage and communication costs for replication.
3) By leveraging a hybrid P2P protocol, Bloomcast uniformly distributes items randomly across the network. This allows for random node sampling and network size estimation while supporting full-text searches with guaranteed recall within an O(√N) communication cost, where N is the network size.
Peer Sim & P2P
Brief description on P2P networks and then some slides about PeerSim simulation on Max Min observer functions.
Final peersimp pt
This document discusses web and social computing and peer-to-peer networks. It provides an overview of peer-to-peer network types including unstructured and structured networks. It also describes PeerSim, a peer-to-peer network simulator. The document outlines implementing maximum and minimum functions in PeerSim and analyzing the results. New methods were designed, run, and graphs of the outputs were generated to study how the maximum and minimum values changed over simulations.
Managing Multidimensional Historical
This document proposes a framework for managing and querying multidimensional historical data distributed across an unstructured peer-to-peer network. When data is published, it is summarized into a synopsis containing an index and sub-synopses storing compressed data portions. The index and sub-synopses are distributed across the network with suitable replication to provide coverage for queries. The framework supports data publication and querying while ensuring peer autonomy and handling volatile peers through prompt reaction to disconnections to prevent broken index references.
Design and evaluation of a proxy cache for
The document describes the design and evaluation of pCache, a proxy cache for peer-to-peer (P2P) traffic. Key contributions include:
1) A new storage system optimized for P2P caching that efficiently handles requests for object segments of arbitrary lengths.
2) An algorithm to infer information required for caching P2P traffic when this information is not directly available.
3) Achieving full transparency in the proxy cache and efficiently handling non-P2P connections to reduce processing overhead.
Extensive experiments evaluate pCache using real P2P traffic and show that it benefits both clients and ISPs without hurting P2P network performance.
Architecture and Evaluation on Cooperative Caching In Wireless P2P
The document summarizes research on cooperative caching in wireless peer-to-peer (P2P) networks. It proposes using an asymmetric cooperative caching approach with Dynamic Source Routing (DSR) to improve performance. DSR routing is chosen over AODV routing because it supports one-way links and source routing. The key aspects of the proposed approach are:
1) Data requests follow the normal routing path but data responses can follow a different path if intermediate nodes need to cache the data. This reduces overhead.
2) Only nodes that need to cache data receive the full data, others just get the routing layer, minimizing copying overhead.
3) Route discovery in DSR works by broadcasting route requests
Routing performance of structured overlay in Distributed Hash Tables (DHT) fo...
This paper presents a routing performance analysis of structured P2P overlay network. Due to the rapid development and hectic life, sharing data wirelessly is essential. P2P allows participating peers move freely by joining and leaving the network at any convenience time. Therefore, it exists constraint when one measuring the network performance. Moreover, the design of structured overlay networks is fragmented and with various design. P2P networks need to have a reliable routing protocol. In order to analyse the routing performance, this work simulates three structured overlay protocols-Chord, Pastry and Kademlia using OMNeT++ with INET and OverSim module. The result shows that Pastry is the best among others with 100% routing efficiency. However, Kademlia leads with 12.76% and 18.78% better than Chord and Pastry in lookup hop count and lookup success latency respectively. Hence, Pastry and Kamelia architectures will have a better choice for implementing structured overlay P2P network.
Ff36968971
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
ANALYSE THE PERFORMANCE OF MOBILE PEER TO PEER NETWORK USING ANT COLONY OPTIM...
A mobile peer-to-peer computer network is the one in which each computer in the network can act as a
client or server for the other computers in the network. The communication process among the nodes in the
mobile peer to peer network requires more no of messages. Due to this large number of messages passing,
propose an interconnection structure called distributed Spanning Tree (DST) and it improves the efficiency
of the mobile peer to peer network. The proposed method improves the data availability and consistency
across the entire network and also reduces the data latency and the required number of message passes for
any specific application in the network. Further to enhance the effectiveness of the proposed system, the
DST network is optimized with the Ant Colony Optimization method. It gives the optimal solution of the
DST method and increased availability, enhanced consistency and scalability of the network. The
simulation results shows that reduces the number of message sent for any specific application and average
delay and increases the packet delivery ratio in the network.
Centrality-Based Network Coder Placement For Peer-To-Peer Content Distribution
Network coding has been shown to achieve optimal multicast throughput, yet at an expensive computation
cost: every node in the network has to code. Interested in minimizing resource consumption of network
coding while maintaining its performance, in this paper, we propose a practical network coder placement
algorithm which achieves comparable content distribution time as network coding, and at the same time,
substantially reduces the number of network coders compared to a full network coding solution in which all
peers have to encode, i.e. become encoders. Our algorithm is derived from two key elements. First, it is
based on the insight that coding at upstream peers eliminates information duplication to downstream peers,
which results in efficient content distribution. Second, our placement strategy exploits centrality
characteristics of the network topology to quickly determine key positions to place encoders. Performance
evaluation using various topology and algorithm parameters confirms the effectiveness of our proposed
method.
Improving the search mechanism for unstructured peer to-peer networks using t...
In a traditional file search mechanism, such as flooding, a peer broadcasts a query to its neighbours through an unstructured Peer-to-Peer (P2P) network until the Time-To-Live (TTL) decreases to zero.
The proposed method called the Statistical Matrix Form (SMF), which improves the flooding mechanism by selecting neighbors according to their capabilities.
OSI layer
The document discusses the seven-layer OSI model for network communication. It describes each layer of the model from the physical layer to the application layer, their functions, and some common protocols used. The OSI model provides a standard framework for understanding how applications can communicate over a network and allows for interoperability between different devices and software.
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My Final Project
- 1. An Enhanced Cooperative Caching in Wireless P2P Networks Team Members S.ARULMANI R.K.KARTHIKEYAN S.KATHIRVEL K.KAVINRAJ Guided By Mr.K.PRAKASH., M.E
- 7. MODULE
- 10. CACHE PROCESS
- 12. SEQUENCE DIAGRAM
- 13. USE CASE DIAGRAM
- 15. ARCHITECTURE DIAGRAM Source peer Data temporarily stored in cache of neighbors Search the needed file source Data server DHT Download Peer Send file request
- 16. LOGIN FORM
- 18. NODE FORM
- 19. USER FORM
- 20. DATA BASE FORM
- 21. OUTPUT FORM