What are two southbound APIs? (Choose two.)
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A. B. C. D. E.DE.
OpenFlow is a well-known southbound API.
OpenFlow defines the way the SDN Controller should interact with the forwarding plane to make adjustments to the network, so it can better adapt to changing business requirements.
The Network Configuration Protocol (NetConf) uses Extensible Markup Language (XML) to install, manipulate and delete configuration to network devices.
Other southbound APIs are: onePK: a Cisco proprietary SBI to inspect or modify the network element configuration without hardware upgrades.
OpFlex: an open-standard, distributed control system.
It send summary policy to network elements.
Southbound APIs are used to communicate between network devices and the network controller or orchestrator. They allow network devices to receive instructions from the controller and provide feedback on their status.
The two southbound APIs from the given options are:
NETCONF: NETCONF (Network Configuration Protocol) is a standard network management protocol that is used to configure, manipulate and retrieve configuration and operational data of network devices. It uses XML to encode its messages and has built-in support for transactions, locking, and rollback capabilities.
OpenFlow: OpenFlow is a protocol that is used to control the forwarding behavior of network devices such as switches and routers. It enables the separation of the control and data planes, which allows the network controller to have a centralized view and control of the network. OpenFlow uses a set of standardized messages to communicate between the controller and the network devices.
Thrift, DSC, and CORBA are not southbound APIs used in Cisco solutions. Thrift is an open-source framework used to build scalable and cross-language services. DSC (Datacenter Serviceability Connector) is a Microsoft technology used to connect to and manage data center hardware. CORBA (Common Object Request Broker Architecture) is a middleware technology used to enable communication between different software applications.