Challenges faced by cloud computing

Cloud computing, the anticipating need of registering as a best utility can possibly take an expansive jump in the PC business, is organized and put to the best use as to the present-day trends. This advancement enables numerous organizations and needed resources for customers [1]. Because of ascent administrations in cloud many organizations provides different administrations in cloud foundation is expanded, accordingly making an opposition on costs in the worldwide market. Distributed computing suppliers offer more administrations to their customers extending (laaS), (PaaS), (SaaS), (SECaaS), (TEaaS). The aim of this paper is to provide well-constructed result of solutions of some questions on challenges faced by cloud computing, i.e. 1. How users are guaranteed regarding trust and privacy? 2. How legal and regulatory compliance requirements met? 3 Design of model of pricing? 4. Management of Service Level Argument and Quality of Service and minimization of SLA violations? This paper also includes security algorithms i.e., AES, DES, 3DES which are explained and compared for better understanding.