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.
Results
Showing 1 to 20 of 31 for “"Peer-to-peer network"”.
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Measuring Ethereum's peer-to-peer network
Ethereum, a cryptocurrency currently valued at 46 billion US dollars, has grown over 6,500% in the last 12 months. Despite the growth in value, we still have very limited Ethereum network visibility. In this thesis, we analyze the Ethereum network from two vantage points: the DEVp2p network and the …
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Peer-to-peer network modeling for adversarial proactive cyber defenses
This thesis implements a novel peer-to-peer network simulator that integrates co-evolutionary algorithms in order to model adversarial attack and defense dynamics in networks. Modeling this behavior is desirable as it allows for network designers to better develop network defense strategies against …
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A service discovery framework for a peer-to-peer network
As mobile networks become ubiquitous, and devices like PDAs and cell phones become commonplace, today's traditional computing paradigms are no longer relevant. Instead, we now live in a world where computing power is pervasive, and the means to access that power is as simple as the click of a …
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Arpeggio : metadata indexing in a structured peer-to-peer network
Peer-to-peer networks require an efficient means for performing searches for files by metadata keywords. Unfortunately, current methods usually sacrifice either scalability or recall. Arpeggio is a peer-to-peer file-sharing network that uses the Chord lookup primitive as a basis for constructing a …
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Implementation Of A Raptorq-Based Protocol For Peer To Peer Network
The object of this thesis is to develop and test a Ruby based implementation of the RaptorQP2P protocol. The RaptorQP2P protocol is a novel peer-to-peer protocol based on RaptorQ forward error correction. This protocol facilitates delivery of a single file to a large number of peers. It applies two …
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Analysis of Bitcoin as a peer-to-peer network for international payments
… infrastructure that runs the funds transfer network belongs to the pre-Internet era. As a result, international payments are expensive, slow, cumbersome, and not as secure as they could be. This thesis argues that the cryptocurrency Bitcoin is the answer to the problems facing millions of …
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A NOVEL LINEAR DIOPHANTINE EQUATION-BAESD LOW DIAMETER STRUCTURED PEER-TO-PEER NETWORK
… research focuses on introducing a novel concept to design a scalable, hierarchical interest-based overlay Peer-to-Peer (P2P) system. We have used Linear Diophantine Equation (LDE) as the mathematical base to realize the architecture. Note that all existing structured approaches use Distributed …
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An investigation into expanding the capabilities of peer-to-peer networks: combining centralized network infrastructure into decentralized peer-to-peer network topology
The Session Initiation Protocol (SIP) has been adopted by the 3rd Generation Partnership Project (3GPP [30]) as the standard signalling for session management over wireless networks. It’s the basis of a wide range of IP multimedia services. SIP relies on centralized servers according to its …
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Invisible Ink : blockchain for data privacy
… control over and transparency with regard to our digital identity is growing more urgent as our lives become more dependent on online and digital services. What once was rightfully ours and under our control is now spread among uncountable entities across many locations. We have built a …
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Decentralized infrastructure for file storage
How might we incentivize a peer-to-peer network to store users' files? The purpose of this research is to combine ideas from existing peer-to-peer file sharing systems, blockchain technology and Proofs-of-Storage to create an incentivized decentralized storage network, where every participant can …
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Blockchain Security: Double-Spending Attack and Prevention
… systems based on proof of work are vulnerable to hashrate-based double-spending attacks due to abuse of majority rule. Through building a private fork of Litecoin and executing a double-spending attack this thesis examines the mechanics and principles behind the attack. This thesis also …
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SMPL : a network architecture for collaborative distributed services
This thesis proposes a network architecture, called SMPL, for the design and development of collaboration-oriented, distributed applications over the Internet. The goal of SMPL is to enable the development of applications that easily integrate the capabilities of different types of computing …
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PCoord : a decentralized network coordinate system for Internet distance prediction
… make use of application-level or overlay networks. Examples of such services include overlay multicast, structured peer-to- peer lookup services, and peer-to-peer file sharing. Many of these services could benefit from enabling participating end hosts to estimate their relative network …
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Ieee 802.15.4 Wireless Sensor Networks: Gts Scheduling and Service Differentiation
… in the use of Low Rate Wireless Personal Area Networks (LR-WPAN) [1] driven by the large number of emerging applications such as home automation, health-care monitoring and environmental surveillance. To fulfill the needs for these emerging applications, IEEE has created a new standard called …
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Distributed querying of clinical documents modeled as HL7 version 3 standard
We present a software tool called Collaborative Data Network (CDN) for distributed querying of clinical documents modeled using HL7 v3 standard (e.g., Clinical Document Architecture). HL7 Version 3 standard was developed to enable semantic interoperability in healthcare data interchange. XML is …
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Architecture and optimization for a peer-to-peer content management system
… will explore the design and optimization of a peer-to-peer network application as a solution to complex content management problems. Currently, most content management systems are expensive, cumbersome and inflexible custom solutions that require knowledge workers to change their work habits. …
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Design and development of a parallel Proof of Work for permissionless blockchain systems
… is the underlying technology for the Bitcoin cryptocurrency, is a distributed ledger forming a decentralized consensus in a peer-to-peer network. A large number of the current cryptocurrencies use blockchain technology to maintain the network and the peers use a consensus mechanism called Proof of …
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Art and Youth Culture of the Post-Reformasi Era: Social Engagement, Alternative Expression, and the Public Sphere in Yogyakarta
… who consider themselves "alternative" to the mainstream commercial art world, I examine three aspects of art in Yogyakarta including collective organization, alternative space, and the public sphere. Based on six months of research involving semi-structured interviews and participant …
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Conformance testing of peer-to-peer systems using message traffic analysis
Peer-to-Peer architectures are used by a large number of distributed systems; however, the challenges such as maintaining a reliable and stable peer-to-peer network can make such networks undesirable for distributed systems. Peer-to-peer architectures are designed to be executed on systems with …
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Mitigating Network Service Disruptions in High-bandwidth, Intermittently Connected, and Peer-to-Peer Networks
Users demand high-bandwidth, ubiquitous and low-cost network services. This demand has pushed ISPs and application providers to offer more bandwidth, allow users to access the Internet almost everywhere, and provide cheap or free network services using peer-to-peer networks. These three trends …
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