International Journal of Modern Engineering Research (IJMER)
Cloud computing is a large group of inter-connected computer that has thousands of computers and servers all are linked and accessed via internet. This paper presents about a secure and non-obstructive billing system using the concept themis. This system is to provide a full-fledged trusted, billing system tailored from a cloud computing environment. The SLA (Service Level Agreement) sharing is done between user and CSPs (Cloud Service Provider). S-Mon forgery-resistive SLA monitoring mechanism is devised by TPM (Trusted Platform Module).