Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 20 for “"Distributed Hash Table"”.
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A distributed Hash table
DHash is a new system that harnesses the storage and network resources of computers distributed across the Internet by providing a wide-area storage service, DHash. DHash frees applications from re-implementing mechanisms common to any system that stores data on a collection of machines: it …
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Storing and managing data in a distributed hash table
Distributed hash tables (DHTs) have been proposed as a generic, robust storage infrastructure for simplifying the construction of large-scale, wide-area applications. For example, UsenetDHT is a new design for Usenet News developed in this thesis that uses a DHT to cooperatively deliver Usenet …
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Robust and efficient data management for a distributed hash table
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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Scaled: Scalable Federated Learning via Distributed Hash Table Based Overlays
… we propose Scalable Federated Learning via Distributed Hash Table Based Overlays for network (Scaled) to conduct multiple concurrently running FL-based applications over edge networks. Specifically, Scaled adopts a fully decentral- ized multiple-master and multiple-slave architecture by …
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Design and applications of a secure and decentralized Distributed Hash Table
Distributed Hash Tables (DHTs) are a powerful building block for highly scalable decentralized systems. They route requests over a structured overlay network to the node responsible for a given key. DHTs are subject to the well-known Sybil attack, in which an adversary creates many false identities …
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GraphDHT: Scaling Graph Neural Networks' Distributed Training on Edge Devices on a Peer-to-Peer Distributed Hash Table Network
This thesis presents an innovative strategy for distributed Graph Neural Network (GNN) training, leveraging a peer-to-peer network of heterogeneous edge devices interconnected through a Distributed Hash Table (DHT). As GNNs become increasingly vital in analyzing graph-structured data across various …
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WhanauSIP : a secure peer-to-peer communications platform
… on the Internet. WhanauSIP merges a Sybil-proof distributed hash table with the session initiation protocol (SIP) to enable instant messaging, audio chat, and video conferencing that is resilient to censoring, eavesdropping, and forgery. Performance and security evaluations performed on the …
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Melody : a distributed music-sharing system
… directory hierarchy. Melody is built on Chord, a distributed lookup algorithm, and DHash, a distributed hash table. We evaluate the performance consequences and usability of Melody. In addition, this thesis presents two support applications: Autocat, to support automatic categorization, and …
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On the use of locality aware distributed hash tables for homology searches over voluminous biological sequence data
… thesis proposes a scalable and similarity-aware distributed storage framework, Mendel, that enables retrieval of biologically significant DNA and protein alignments against a voluminous genomic sequence database. Mendel fragments the sequence data and generates an inverted-index, which is then …
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OverCite : a cooperative digital research library
… is a design for a new architecture for a distributed and cooperative research library based on a distributed hash table (DHT). The new architecture harnesses donated resources at many sites to provide document search and retrieval service to researchers worldwide. A preliminary evaluation …
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Making medical records more resilient
… 3) Storage companies should consider developing distributed storage solutions based on Distributed Hash Table (DHT) technology for medical record storage. Distributed storage would alleviate public concerns over privacy with centralized storage of medical records. Empirical evidence is presented …
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Topology-aware optimal task allocation framework for mission critical environment: Centralized and decentralized approaches
… which exploits the concept of application-layer Distributed Hash Table (DHT) to perform OTA in MCE. Through simulations, I evaluate the performance of both COTAA and DOTAA for multiple mission critical scenarios. The results indicate that both COTAA and DOTAA achieve the goal of OTA in highly …
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A security evaluation of the salsa anonymous communication system
… communication system, Salsa. Salsa is based on a distributed hash table, and uses secure lookups to locate relays for anonymous communication. To analyze user anonymity in Salsa, we first build an analytic model for the lookup security in Salsa, and model its path building mechanism as a …
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EdgeFn: A Lightweight Customizable Data Store for Serverless Edge Computing
… In this work, we introduce EdgeFn, a lightweight distributed data store for the serverless edge computing system. While serverless comput- ing platforms simplify the development and automated management of software functions, running serverless applications reliably on resource-constrained edge …
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Towards a worldwide storage infrastructure
… of KBR (Key-Based Routing) algorithms and DHT (Distributed Hash Table)s. On top of these constructs were built promising applications such as video streaming applications but also storage infrastructures benefiting from the availability and resilience of such scalable network protocols. …
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Analysis of bandwidth attacks in a bittorrent swarm
… the BitTorrent protocol family is vulnerable to Distributed Reflective Denial-of-Service attacks. Specifically, I show that an attacker can exploit BitTorrent protocols (Micro Transport Protocol, Distributed Hash Table, Message Stream Encryption and BitTorrent Sync to reflect and amplify traffic …
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Agent organization in the knowledge plane
… face many challenging problems, including widely distributed data collection, efficient processing of that data, wide availability of the expertise, etc. In this thesis, to provide better support for network management and large-scale network applications, I propose a knowledge plane architecture …
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Security for Decentralised Service Location - Exemplified with Real-Time Communication Session Establishment
… an application communication endpoint based on a Distributed Hash Table (DHT), is a fairly new concept. The precise security implications of this approach have not been studied in detail. More importantly, a detailed analysis regarding the applicability of existing security solutions to this …
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Contribución a la distribución de contenidos multimedia sobre redes peer-to-peer
… Además, este escenario puede no ser aceptable debido a que los nodos forzados a participar en el reenvío, generan copias adicionales del flujo multimedia en la red física. Cuando el número de nodos interesados es un subconjunto de todos los nodos conectados, si construimos un árbol …
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Knowledge extraction from unstructured data and classification through distributed ontologies
… nodes organized in a ring topology based on a Distributed Hash Table (DHT). Each node shares the same logic and provides an entry point that enables clients to query the knowledge base using atomic, disjunctive and conjunctive SPARQL queries. The consistency of the results is increased using …