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Access to sufficient annotated data is a common challenge in training deep neural networks on medical images. As annotating data is expensive and time-consuming, it is difficult for an individual medical center to reach large enough sample…

Machine Learning · Computer Science 2019-05-17 Abhijit Guha Roy , Shayan Siddiqui , Sebastian Pölsterl , Nassir Navab , Christian Wachinger

The Bitcoin Lightning Network is a layer 2 protocol designed to facilitate fast and inexpensive Bitcoin transactions. It operates by establishing channels between users, where Bitcoin is locked and transactions are conducted off-chain until…

Cryptography and Security · Computer Science 2024-07-12 Rainer Feichtinger , Florian Grötschla , Lioba Heimbach , Roger Wattenhofer

Named Data Networking (NDN) is an emerging technology for a future internet architecture that addresses weaknesses of the Internet Protocol (IP). Since Internet users and applications have demonstrated an ever-increasing need for high speed…

Networking and Internet Architecture · Computer Science 2019-07-30 Siham Khoussi , Ayoub Nouri , Junxiao Shi , James Filliben , Lotfi Benmohamed , Abdella Battou , Saddek Bensalem

We introduce CCN-RAMP (Routing to Anchors Matching Prefixes), a new approach to content-centric networking. CCN-RAMP offers all the advantages of the Named Data Networking (NDN) and Content-Centric Networking (CCNx) but eliminates the need…

Networking and Internet Architecture · Computer Science 2016-08-17 J. J. Garcia-Luna-Aceves , Maziar Mirzazad-Barijough , Ehsan Hemmati

In the area of network performance and discovery, network tomography focuses on reconstructing network properties using only end-to-end measurements at the application layer. One challenging problem in network tomography is reconstructing…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-05-08 Kiril Dichev , Fergal Reid , Alexey Lastovetsky

The bitcoin peer-to-peer network has drawn significant attention from researchers, but so far has mostly focused on publicly visible portions of the network, i.e., publicly reachable peers. This mostly ignores the hidden parts of the…

Networking and Internet Architecture · Computer Science 2017-09-21 Liang Wang , Ivan Pustogarov

Though objectives of trusted routing and virtual private networks (VPN) data transfer methods are to guarantee data transfer securely to from senders to receivers over public networks like Internet yet there are paramount differences…

Networking and Internet Architecture · Computer Science 2015-09-02 Osuolale Abdulrahamon Tiamiyu

In this paper, we propose a stochastic model for a file-sharing peer-to-peer network which resembles the popular BitTorrent system: large files are split into chunks and a peer can download or swap from another peer only one chunk at a…

Probability · Mathematics 2008-11-07 George Kesidis , Takis Konstantopoulos , Perla Sousi

Aggregation of values that need to be kept confidential while guaranteeing the robustness of the process and the correctness of the result is required in an increasing number of applications. We propose an aggregation algorithm, which…

Cryptography and Security · Computer Science 2017-09-12 Stéphane Grumbach , Robert Riemann

Bitcoin is a decentralized P2P digital currency in which coins are generated by a distributed set of miners and transaction are broadcasted via a peer-to-peer network. While Bitcoin provides some level of anonymity (or rather pseudonymity)…

Cryptography and Security · Computer Science 2015-01-09 Alex Biryukov , Ivan Pustogarov

We propose a 2N qubit entangled channel that can be used to teleport N qubits in a network to a single receiver. We describe the construction of this channel and explicitly demonstrate how the protocol works. The protocol is different from…

Quantum Physics · Physics 2013-07-25 Shohini Ghose , Atul Kumar , Vaibhav Madhok , A. M. Hamel

The performance of peer-to-peer file replication comes from its piece and peer selection strategies. Two such strategies have been introduced by the BitTorrent protocol: the rarest first and choke algorithms. Whereas it is commonly admitted…

Networking and Internet Architecture · Computer Science 2016-08-16 Arnaud Legout , Guillaume Urvoy-Keller , Pietro Michiardi

A peer-to-peer system is a distributed system in which equal nodes (in terms of role and usage) exchange information and services directly. This paper describes a distributed peer-to-peer protocol that allows wifi-enabled smart devices…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-04-11 Steve Tueno , Romeo Tabue , Forentin Jiechieu , Yacynth Ndonna , Billy Zafack , Audric Feuyan , Jonas Atibita , Alex Djouontse , Rodrigue Mbinkeu

IPFS is a content-addressed decentralized peer-to-peer data network, using the Bitswap protocol for exchanging data. The data exchange leaks the information to all neighbors, compromising a user's privacy. This paper investigates the…

Cryptography and Security · Computer Science 2023-07-10 Erik Daniel , Marcel Ebert , Florian Tschorsch

Recent studies have suggested that the stability of peer-to-peer networks may rely on persistent peers, who dwell on the network after they obtain the entire file. In the absence of such peers, one piece becomes extremely rare in the…

Networking and Internet Architecture · Computer Science 2017-11-15 Omer Bilgen , Aaron B. Wagner

This paper proposes a novel encryption-based access control mechanism for Named Data Networking (NDN). The scheme allows data producers to share their content in encrypted form before transmitting it to consumers. The encryption mechanism…

Cryptography and Security · Computer Science 2025-01-28 Nazatul H. Sultan , Chandan Kumar , Saurab Dulal , Vijay Varadharajan , Seyit Camtepe , Surya Nepal

This paper proposes a new microblogging architecture based on peer-to-peer networks overlays. The proposed platform is comprised of three mostly independent overlay networks. The first provides distributed user registration and…

Networking and Internet Architecture · Computer Science 2013-12-30 Miguel Freitas

In Named Data Networking (NDN), data is identified by unique names instead of IP addresses, and routers use the names of the content to forward Interest packets towards the producers of the requested content. However, the current content…

Networking and Internet Architecture · Computer Science 2024-02-27 Murali Gunti , Roberto Rojas-Cessa

Bitcoin is a popular alternative to fiat money, widely used for its perceived anonymity properties. However, recent attacks on Bitcoin's peer-to-peer (P2P) network demonstrated that its gossip-based flooding protocols, which are used to…

Cryptography and Security · Computer Science 2017-03-28 Giulia Fanti , Pramod Viswanath

Today is the era of smart devices. Through the smart devices, people remain connected with systems across the globe even in mobile state. Hence, the current Internet is facing scalability issue. Therefore, leaving IP based Internet behind…

Networking and Internet Architecture · Computer Science 2020-05-15 Sabuzima Nayak , Ripon Patgiri , Angana Borah