Hi Linda, This is Sangwon. I'd like to answer your question and clarify the figure.
To enable SFC-based packet forwarding in I2NSF framework, additional configurations (related to SFC) are required for SFC components, which are the classifier and SFF. We suggest the security controller takes the additional configuration tasks. And we may need to define an additional interface between the security controller and SFC components (i.e., SFF and classifier) for SFC-related configuration, and we named the additional interface with "I2NSF-SFC interface." (Note that this "I2NSF-SFC interface" is a different interface from NSF-facing interface.) Using this I2NSF-SFC interface, the Security Controller configures the classifier with service function path information and mapping between NSFs and their capabilities. For the SFF, the Security Controller delivers the forwarding information table of NSFs as shown in the figure to the SFF via "I2NSF-SFC interface." Thanks, Sangwon 2017년 11월 14일 (화) 오후 3:54, Linda Dunbar <[email protected]>님이 작성: > Sangwon, Paul, Jung-Soo, and Sue, > > > > In your draft, you show NSF Facing data model between the Security > Controller and SFF&Classifier. > > > > What kind of data will be exchanged between Security Controller & > Classifier? > > > > > > [image: image003.png] > > > > Thank, Linda > _______________________________________________ > I2nsf mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/i2nsf >
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