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Questions and Answers
In SDN via APIs, how are the functions in remote devices like switches invoked?
What is the key feature of SDN via Hypervisor-based Overlay Network?
What is the main characteristic of Hybrid SDN?
Which method enables the controller to manipulate remote devices using APIs?
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What is the conventional method used to invoke functions in remote devices in SDN via API?
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In SDN via Hypervisor-based Overlay Network, how are the devices at the edge of the physical network connected to virtualized networks?
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Study Notes
SDN and Remote Device Function Invocation
- Functions in remote devices, such as switches, are invoked through the use of Application Programming Interfaces (APIs).
- Controllers utilize APIs to send commands and receive information from remote devices, allowing for dynamic management of the network.
Key Features of SDN via Hypervisor-based Overlay Network
- A significant feature includes the ability to create virtualized networks that operate independently over the same physical infrastructure.
- Edge devices in the physical network are interconnected to these virtualized networks, ensuring seamless communication and efficient resource allocation.
Main Characteristics of Hybrid SDN
- Hybrid SDN combines traditional networking methods with Software-Defined Networking (SDN) principles.
- This approach allows for greater flexibility and scalability, accommodating both legacy devices and modern, SDN-enabled infrastructure.
Controller Manipulation Method
- The primary method enabling the controller to manipulate remote devices involves the use of southbound APIs.
- These APIs facilitate communication between the controller and network devices, allowing for configuration and monitoring.
Conventional Method for Invoking Functions
- Traditionally, functions in remote devices are invoked using protocols such as SNMP (Simple Network Management Protocol).
- SNMP facilitates management and monitoring of networked devices but lacks the programmability offered by modern APIs.
Connectivity in SDN via Hypervisor-based Overlay Network
- In this framework, the devices at the edge of the physical network connect to virtualized networks using overlay tunneling protocols.
- These protocols encapsulate data traffic, allowing for efficient data transfer between the physical layer and virtualized instances.
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Description
Test your knowledge of OpenFlow protocol and Software-Defined Networking (SDN) APIs. Explore topics such as invoking switch functions, manipulation of remote devices, and SDN via hypervisor-based overlay networks.
