V. Anil Kumar

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Stream Control Transmission Protocol (SCTP) is a general purpose and relatively new transport layer protocol with several unique features. This paper highlights the concept of feedback protocol and identifies SCTP as a protocol operating in a closed-loop feedback manner. We conduct an in-depth security analysis of closed-loop feedback operation of SCTP(More)
The Stream Control Transmission Protocol (SCTP) is inherently vulnerable to optimistic Selective Acknowledgement (SACK) spoofing. We highlight a threat scenario in which this vulnerability is exploited for the generation of sustained and powerful Denial-of-Service attack flood over the Internet. We identify and analyze a fundamental design limitation in(More)
Use of High Performance Computing (HPC) for modelling and simulation in the areas of engineering, geophysics, biotechnology etc. is not new. However, there has been a growing demand for HPC over the past few years in other non — conventional areas like architecture, graphics design and even gaming. The prohibitive cost of HPC resources, which are(More)
Image processing is one of most growing analysis space today and currently it is much integrated with the medical and biotechnology field. Image processing will be used to analyze completely different medical and MRI images to get the abnormality within the image. Using mutual information as a criterion for medical image registration, which requires no(More)
End-to-end congestion control algorithms in TCP are designed for a highly co-operative environment with the assumption that the end hosts voluntarily participate in it and obey the congestion control rules. The steady growth of malicious activities such as Denial-of-Service attacks (DoS) on the Internet reveals that the Internet no longer remains as a(More)
Medical image data (Ultrasonography, Computed Tomography, Magnetic Resonance Imaging etc.) consumes maximum storage and utilize maximum bandwidth for transmission that often results in degradation of image quality. Due to these inherent issues in such type of images, compression is the only applicable technique explored in the due course of prior research(More)
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