In the experiments several metrics are used for performance evaluation.
In this section only a subset of the metrics used to evaluate the selected ICN/CCN based service migration approach are introduced.
• Average RTT for CCN Interest/Data packets when content and/or VM migration occurs: In CCN, each request (Interest) will be satisfied by one response
(Data/Content Object).
The measured latency is the RTT (Round Trip Time) delay of the CCN requestresponse packets when CCN content and/or VMs need to be migrated.
• Cumulative Distribution Function (CDF) for RTT for Interest/Data packets when content and/or VM migration occurs: The CDF of RTT of CCN
Interest/Data packets is used to observe the maximum RTT value that can be calculated, when content and/or VM migration occurs.
• Average RTT in receiving CCN Data packets when content and/or VM migration does not occur: Defined in the same way as the previously described average
RTT metric, with the difference that now it is considered the content and/or VM is not migrated from one data centre to another.
• Throughput of CCN Data packets when content and/or VM migration occurs: The number of CCN data (response) packets correctly received by CCN mobile
users divided by simulation time, when content and/or VM is migrated from one data centre to another.