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Enterprise Technology Terminology: O

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  • Overcurrent Protection

    Overcurrent protection is the use of devices and control schemes that detect and interrupt excessive current in electrical systems, preventing equipment damage, fire risk, and unsafe conditions in enterprise facilities such as data centers, industrial plants, and large commercial buildings.

  • Overlapping Basic Service Set

    Overlapping basic service set is a wireless LAN condition in which the radio coverage of two or more IEEE 802.11 basic service sets intersects, affecting interference, roaming, and capacity planning for enterprise Wi-Fi design and operations.

  • Overlay Network

    Overlay network is a virtual network that runs on top of an existing underlay, using encapsulation and logical addressing to provide isolated, software-controlled connectivity for tenants, applications, or services in data centers, clouds, and wide-area enterprise environments.

  • Overlay Networking

    Overlay networking is a virtual network architecture that creates logical networks on top of an existing physical underlay using encapsulation and tunneling, enabling multitenancy, segmentation, and policy control across data centers, clouds, and wide-area environments in enterprise settings.

  • Over-the-Air Test

    Over-the-air test is a controlled measurement method that evaluates wireless devices and systems using radiated signals rather than cabled connections, which matters for enterprises that need verifiable radio performance, regulatory compliance, and standards-based validation of cellular, Wi-Fi, and IoT equipment.