vBond, in the context of Cisco SD-WAN (Software-Defined Wide Area Networking), refers to the vBond orchestrator. It's a crucial component responsible for orchestrating the initial bring-up and authentication of SD-WAN edge devices within the overlay network.
 vBond does:
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Authentication and Authorization: vBond authenticates and authorizes SD-WAN edge devices (such as vEdge routers) as they join the SD-WAN fabric. It ensures that only authorized devices can participate in the network.
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Control Plane Establishment: vBond facilitates the establishment of control plane connections between SD-WAN edge devices and the centralized controllers (such as vSmart Controllers). This includes providing information about the available controllers and orchestrating the connections.
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Secure Communication: vBond ensures secure communication between SD-WAN edge devices and other components of the SD-WAN architecture. It uses secure protocols and certificates to authenticate and encrypt communication channels.
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Dynamic Key Generation: vBond generates and distributes dynamic encryption keys used for securing communication between SD-WAN edge devices and controllers. These keys are periodically refreshed to enhance security.
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Orchestration and Management: vBond plays a role in the orchestration and management of SD-WAN deployments. It helps streamline the onboarding process for new edge devices and ensures the overall integrity and security of the SD-WAN fabric.