COSMIC Sizing Forums COSMIC Size measurement Measuring applications in a cloud environment with COSMIC

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    • #11122
      Mariem Haoues

      I would like to apply COSMIC to measure the functional size of a distributed application in a cloud environment. I read the chapter “Estimation for Mobile and Cloud Environments“. However, I could not find a case study or an example to understand the measurement.

      How can I measure the interactions between two applications in the same cloud? If we take as an example the C-reg case study. The interactions between C-Reg system and Course catalog system are measured as Entry and eXit data movements. How could these interactions be measured if these two applications were in a cloud.

      If it is possible do you have any case study that illustrates the measurement of COSMIC functional size in a cloud environment.

      Mariem Haoues.
      PhD Candidate.
      Mir@cl Laboratory. University of Sfax, Tunisia.

    • #11124
      Frank Vogelezang

      Dear Mariem,

      We did not include a cloud-based case study in the book chapter, because from a functional perspective there is no difference between the interaction between multiple applications, whether they are in the cloud or not. Cloud-based software is different from stand-alone or on-premise software in the sense that they have a strict use of internet-based protocols to communicate with other applications.

      So from a functional perspective cloud interactions are no different from the interactions described in the C-Reg case study.

      Hope this helps.

      Best regards,

      Frank Vogelezang

    • #11125
      Charles Symons

      Dear Mariem, I agree with Frank’s reply. The functional users of a distributed application (the software being measured) are the same regardless of whether the operating environment is cloud or non-cloud. Charles

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