Summary: The aim of this research is to create a methodology for developing SaaS-applications, which would combine basic design patterns cloud-native applications and provide an environment for their easy creation and support.

Key words: software-as-a-service, deployment, concurrency, port binding, scalable, cloud platform

Summary: The aim of this research is the analysis of existing web-service communication porotcols with subsequent detection of advantages and disadvantages of each of the protocols and the description of the most suitable use cases. This study focuses on both structure of each protocol and comparison with other protocols to achieve effective analysis.

Key words: web-service, communication protocol, SOAP, REST, RPC, XML-RPC.