Conference Papers

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    An approach for dynamic scaling of resources in enterprise cloud
    (IEEE Computer Society, 2013) Kanagala, K.; Chandra Sekaran, K.
    Elasticity is one of the key governing properties of cloud computing that has major effects on cost and performance directly. Most of the popular Infrastructure as a Service (IaaS) providers such as Amazon Web Services (AWS), Windows Azure, Rack space etc. work on threshold-based auto-scaling. In current IaaS environments there are various other factors like "Virtual Machine (VM)-turnaround time", "VM-stabilization time" etc. that affect the newly started VM from start time to request servicing time. If these factors are not considered while auto-scaling, then they will have direct effect on Service Level Agreement (SLA) implementations and users' response time. Therefore, these thresholds should be a function of load trend, which makes VM readily available when needed. Hence, we developed an approach where the thresholds adapt in advance and these thresholds are functions of all the above mentioned factors. Our experimental results show that our approach gives the better response time. © 2013 IEEE.
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    An Interdependency between Symmetric Ciphers and Hash Functions: A Survey
    (Institute of Electrical and Electronics Engineers Inc., 2020) Dubey, P.K.; Jangid, A.; Chandavarkar, B.R.
    Symmetric ciphers are one of the most famous cryptographic paradigms in cryptography. Its simplistic algorithm makes it easy to understand, and it has not very complex implementation. Hash functions, on the other hand, are the fundamental algorithm in managing the integrity of the transmitted data. It is also widely popular. Symmetric ciphers and hash functions are very much dependent on each other to make them more secure and robust application. In this paper, we will see how symmetric ciphers and hash functions are connected, and their different use cases in real life. This paper also includes different symmetric ciphers, hash functions, and we will see their relationship. First, this paper will introduce what a security service is, then the classes of cryptographic algorithms are illustrated where we have discussed different paradigms of cryptography. After that, we have addressed different types of symmetric ciphers and hash functions. Based on some use cases, we have shown the inter-dependency of symmetric cipher and hash function. Next, we have presented a comparison in various approaches to dependency. © 2020 IEEE.