Analysis of the SFC scalability

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SFC is an ordered set of service function, should be scalable to meet numerous requirements. The scalability of SFC can be interpreted as ability of the SFC to accommodate one or more SFs joining the SFC , or leaving the SFC without significant impact to SFC performance. This document presents four use cases on SFC scale-out and scale-in, and analysis of the requirements to support such capability.


Ting Ao (
Gregory Mirsky (

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