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We consider the problem of \emph{secretive coded caching} in a shared cache setup where the number of users accessing a particular \emph{helper cache} is more than one, and every user can access exactly one helper cache. In secretive coded…

Information Theory · Computer Science 2021-07-02 Shreya Shrestha Meel , B. Sundar Rajan

This paper investigates the dissemination of multiple pieces of information in large networks where users contact each other in a random uncoordinated manner, and users upload one piece per unit time. The underlying motivation is the design…

Networking and Internet Architecture · Computer Science 2007-07-13 Sujay Sanghavi , Bruce Hajek , Laurent Massoulie

In this paper, we present a novel and new file-based communication architecture using the local filesystem for large scale parallelization. This new approach eliminates the issues with filesystem overload and resource contention when using…

We report on the software engineering design and implementation of an web- and LDAP-based secure file exchange system with bi-directional authentication of all parties involved in the process that is the user's browsers and the application…

Cryptography and Security · Computer Science 2011-01-25 Serguei A. Mokhov , Marc-André Laverdière , Ali Benssam , Djamel Benredjem

Caching is popular technique in content delivery networks that allows for reductions in transmission rates from the content-hosting server to the end users. Coded caching is a generalization of conventional caching that considers the…

Information Theory · Computer Science 2016-07-28 Li Tang , Aditya Ramamoorthy

Peer-to-peer (P2P) Data-sharing systems now generate a significant portion of internet traffic. P2P systems have emerged as a popular way to share huge volumes of data. Requirements for widely distributed information systems supporting…

Databases · Computer Science 2011-11-24 Anis Ismail , Mohamed Quafafou , Gilles Nachouki , Mohammad Hajjar

File-sharing networks are distributed systems used to disseminate files among nodes of a communication network. The general simple principle of these systems is that once a node has retrieved a file, it may become a server for this file. In…

Probability · Mathematics 2010-05-12 L. Leskelä , Philippe Robert , Florian Simatos

It is time for the legacy financial infrastructure to seamlessly connect with modern, decentralized infrastructure. Although it is increasingly evident that decentralized infrastructure for finance (namely distributed ledgers) will coexist…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-30 Rafael Belchior , Thomas Hardjono , Alex Chiriac , Venkatraman Ranakrishna

We present P2PL, a practical multi-device peer-to-peer deep learning algorithm that, unlike the federated learning paradigm, does not require coordination from edge servers or the cloud. This makes P2PL well-suited for the sheer scale of…

Machine Learning · Computer Science 2024-05-07 Srinivasa Pranav , José M. F. Moura

A peer-to-peer network, enabling different parties to jointly store and run computations on data while keeping the data completely private. Enigma's computational model is based on a highly optimized version of secure multi-party…

Cryptography and Security · Computer Science 2015-06-12 Guy Zyskind , Oz Nathan , Alex Pentland

This paper presents a statistical analysis of the structure of Peer-to-Peer (P2P) social networks that captures social associations of distributed peers in resource sharing. Peer social networks appear to be mainly composed of pure resource…

Physics and Society · Physics 2007-05-23 Fang Wang , Yamir Moreno , Yaoru Sun

Emerging collaborative Peer-to-Peer (P2P) systems require discovery and utilization of diverse, multi-attribute, distributed, and dynamic groups of resources to achieve greater tasks beyond conventional file and processor cycle sharing.…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-07-10 H. M. N. Dilum Bandara , Anura P. Jayasumana

This paper studies device to device (D2D) coded-caching with information theoretic security guarantees. A broadcast network consisting of a server, which has a library of files, and end users equipped with cache memories, is considered.…

Information Theory · Computer Science 2019-05-06 Ahmed A. Zewail , Aylin Yener

Coding Opportunistically (COPE) is a simple but very effective data coding mechanism in the wireless network. However, COPE leaves risks for attackers easily getting the private information saved in the packets, when they move through the…

Cryptography and Security · Computer Science 2018-06-15 Ngoc Hong Tran , Cao-Vien Phung , Binh Quoc Nguyen , Leila Bahri

Pervasive computing systems employ distributed and embedded devices in order to raise, communicate, and process data in an anytime-anywhere fashion. Certainly, its most prominent device is the smartphone due to its wide proliferation,…

Social and Information Networks · Computer Science 2019-08-16 Tobias Eichinger , Felix Beierle , Robin Papke , Lucas Rebscher , Hong Chinh Tran , Magdalena Trzeciak

The rise of connected personal devices together with privacy concerns call for machine learning algorithms capable of leveraging the data of a large number of agents to learn personalized models under strong privacy requirements. In this…

Machine Learning · Computer Science 2018-02-20 Aurélien Bellet , Rachid Guerraoui , Mahsa Taziki , Marc Tommasi

Online social networks, such as Facebook and twitter, are a growing phenomenon in today's world, with various platforms providing capabilities for individuals to collaborate through messaging and chatting as well as sharing of content such…

Social and Information Networks · Computer Science 2020-01-14 Newton Masinde , Kalman Graffi

This paper offers a prototype of a Hyperledger Fabric-IPFS based network architecture including a smart contract based encryption scheme that meant to improve the security of user's data that is being uploaded to the distributed ledger. A…

Cryptography and Security · Computer Science 2022-07-05 Ilya Grishkov , Roland Kromes , Thanassis Giannetsos , Kaitai Liang

This paper proposes to address new requirements of confidentiality, integrity and availability properties fitting to peer-to-peer domains of resources. The enforcement of security properties in an open peer-topeer network remains an open…

Cryptography and Security · Computer Science 2010-07-15 Jean-Francois Lalande , David Rodriguez , Christian Toinard

Decentralized search aims to find the target node in a large network by using only local information. The applications of it include peer-to-peer file sharing, web search and anything else that requires locating a specific target in a…

Performance · Computer Science 2007-05-23 Shi Xiao , Gaoxi Xiao