It is correct.
A controller, such as Catalyst Center, exposes REST APIs Northbound for an application to call. An example is the CC Intent API. CC integrations are done through Westbound APIs (IPAM, ITSM, reporting, SNA, etc.)
Individual network devices (running IOS XE, NX OS, etc.) can be configured and monitored using NETCONF, RESTCONF, gNMI or simply using SSH and SNMP. NETCONF, RESTCONF and gRPC agents access the same data structures represented by YANG data models. Generally vendors use a both of IETF and proprietary native data models.
Controllers can manage and monitor individual network devices through a variety of protocols. From their perspective this is Southbound communication. From the perspective of the managed device this is Northbound communication.
Any opinion on this?
From my point of view i think it is correct but I'm not 100% sure
upvoted 2 times
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