Hi Linda, Many thanks for this information! It gives an example on how to classify the different types of application flows.
For a person-to-person messaging Application Flow across the company, a full mesh is useful, but the point-of-sale Application Flow in each store can only forward IP Packets to the POS controller, at the company data center. Thank you! Best regards, Shuping From: Apn [mailto:[email protected]] On Behalf Of Linda Dunbar Sent: Friday, March 12, 2021 4:49 AM To: [email protected]; [email protected] Subject: [Apn] additional example about APN used in SDWAN environment Thanks to ShuPing for giving an excellent presentation on APN at RTGwg Session today. Just want to follow up the comments I provided at the end of the session. MEF SDWAN Service Specification project (MEF70.1) has specified "Virtual Topology" concept which refers to a virtual network over hybrid types of underlay paths (or tunnels). Application aware segmentation refers to mapping specific applications to a specific "Virtual Topology". Here are the APN relevant section from MEF70.1: As an example, consider a retail subscriber with multiple stores. For a person-to-person messaging Application Flow across the company, a full mesh is useful, but the point-of-sale Application Flow in each store can only forward IP Packets to the POS controller, at the company data center. [cid:[email protected]] Figure 7 - Different Virtual Topologies in an SWVC The Application Flows in this diagram experience two different forwarding behaviors in the same SD-WAN Service. Best Regards, Linda Dunbar
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