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 120 for “"Transport Layer"”.
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ASAP: a low-latency transport layer
… this work, we introduce ASAP, a new naming and transport protocol that significantly reduces latency by shortcutting DNS requests and eliminating TCP’s three-way handshake (3WH). Meanwhile, ASAP ensures the key security property of verifiable provenance of client requests which is originally …
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Estudio del protocolo TLS (Transport Layer Security)
… ha sido la familiarización con el protocolo TLS (Transport Layer Security) a través del estudio de los conceptos criptográficos sobre los que se basa, su evolución y las fases que llevan a cabo este protocolo para cifrar y descifrar los datos en las comunicaciones en red. Así mismo, se explican …
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A Transport Layer Approach to Host Mobility
… traditionally implemented in the link or network layer. In comparison, the transport layer has access to end-to-end information not available at lower layers. Coupled with inverse multiplexing techniques and error classification algorithms, such information can be used to achieve a significant …
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Routing and Transport Layer Protocols for Wireless Networks
We study the performance limitations of TCP's (Transmission Control Protocol) congestion control mechanism on Wide Area Wireless Networks (WWANs) and also on ad hoc networks. We identify the properties of typical WWANs based on studies on the CDPD (Cellular Digital Packet Data) network, simulate …
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Transport layer protocol design over flow-switched data networks
In this work, we explore transport layer protocol design for an optical flow-switched network. The objective of the protocol design is to guarantee the reliable delivery of data files over an all-optical end-to- end flow-switched network which is modeled as a burst-error channel. We observe that …
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Evaluation of Transport Layer Protocols for wireless multi-hop networks
… networks, coordinated management, intelligent transportation system. WMN is gaining significant attention as a feasible way for Internet providers (ISPs) and other end-users to establish robust and reliable wireless broadband service access at a reasonable cost. Quality of Service (QoS) …
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Energy-efficient protocols and hardware architectures for transport layer security
… making IoT security a major concern. Datagram Transport Layer Security (DTLS) is considered to be one of the most suited protocols for securing the IoT. However, computation and communication overheads make it very expensive to implement DTLS on resource-constrained IoT sensor nodes. In this …
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Connection Robustness for Wireless Moving Networks Using Transport Layer Multi-homing
… is improving the reliability and robustness of transport-layer connections in a heterogeneous mobile environment. This is particularly true in the case of mobile networks with multiple vertical handovers. In this thesis, issues and challenges in mobility management for mobile terminals in such a …
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The analysis and implementation of generic MPEG header and transport layer decoders
Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Increasing quality of service using transport layer coding over parallel heterogeneous networks
… considerable strain on the ability of existing transport layer protocols to meet users' quality of service demands. Internet traffic is being generated by an increasing number of inexpensive, low-power, mobile devices resulting in an increased incidence of packet losses, unreliable network …
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Deep-learning-based transport layer control for big data transmission over UAV swarming networks
… to regular directional antennas. Most of the transport layer control schemes used in MBSA-equipped networks are based on TCP, which are too conservative since they indiscriminately reduce the window size upon any kind of packet loss. To adapt to the features of the MBSA-based networks, this …
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Greediness control algorithm for multimedia streaming in wireless local area networks
… the interaction between the application and transport layers while streaming multimedia in a residential Wireless Local Area Network (WLAN). Inconsistencies have been identified that can have a severe impact on the Quality of Experience (QoE) experienced by end users. This problem arises as a …
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Enhanced Charge Transport and Cell Performance of an Inverted Organic Solar Cell Via UV-ozone Treatment of ZnO
… efficiency was achieved by treating electron transport layer consisting of ZnO-PVP with UV-ozone. The effect of UV-ozone treatment on ZnO was also studied but in a P3HT:ZnO hybrid solar cell system, where the role of ZnO was as an acceptor rather than an electron transport layer. There are no …
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A Novel Approach for Implementing Worldwide Interoperability for Microwave Access for Video Surveillance
… QoS requirements. In the medium access (MAC) layer, this thesis proposes a bandwidth allocation scheme that considers the QoS uniformity of the traffic sources. The proposed bandwidth allocation scheme comprises a simplified bandwidth allocation architecture, a packet-aware bandwidth request …
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Identifying Application Level Protocols by Analyzing Communication Patterns over Multiple Ports
… traditional network application methods such as transport layer port-based identification and deep packet inspection nearly useless as applications tend to use non-standard ports and traffic is increasingly encrypted.
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Chemical Modifications and Passivation Approaches in Metal Halide Perovskite Solar Cells
… and development of highly efficient charge transport layers for perovskite solar cells. We first developed an efficient electron transport layer via modification of titanium dioxide nanostructure followed by a unique chemical treatment in order to have clean interface with fast electron …
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Experimental Evaluation of Convergence Layers in Delay Tolerant Networks
… DTN uses the Bundle Protocol (BP) in the Bundle layer for storing and forwarding data units to deal with the absence of an end to end connection. Since BP is an overlay protocol that can be used above different transport layer protocols, the corresponding convergence layer protocol needs to be …
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Scalable Fabrication of High Efficiency Hybrid Perovskite Solar Cells by Electrospray
… conditions below 150 C. All three functional layers were printed using electrospray printing including perovskite layer, electron transport layer, and hole transport layer. Strategies for successful electrospray printing of HPSCs include formulation of the precursor inks with solvents of low …
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Fabrication of solution-processed photoactive polymer- and halide perovskite-based solar cells
… using dip coating method. In this structure, all layers except electrodes were deposited using dip coating method, which demonstrated an excellent potential to produce large-scale area PV devices. Formulation of solutions (using different solvents) of hole transport layer, active layer, and …
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Harnessing solar energy: vapor phase polymerized poly(3,4-Ethylenedioxythiophene) for solid state dye-sensitized solar cells and the photodegradation of organic toxicants
… the solid state nelectrolyte acting as the hole transport layer. Since VPP occurs in the vapor phase, it has the potential to penetrate the mesoporous titanium dioxide (TiO2) which can improve the interaction between the dye and hole transport layer PEDOT.</p> <p>There has also been an increased …
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