Tunneling meaning

tŭn'ə-lĭng
In quantum mechanics, the passing of a particle through a seemingly impenetrable barrier without a cause that is explainable by classical physics.
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Transmitting data structured in one protocol within the format of another. See tunneling protocol.
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A transmission method used in internetworks whereby a packet of one type is encapsulated in a packet of another type, in essence becoming the payload of the encapsulating packet. For example, an IPv6 packet can be encapsulated in an IPv4 packet in order to transit an intermediate IPv4 network, which otherwise would not accept it due to numerous incompatibilities.Tunneling is used extensively in IP-based virtual private networks (VPNs). In this application, the payload packet is encrypted and encapsulated in another packet.The encapsulating packet insulates the payload packet, shielding it from view and protecting it as it transits the network. See also encapsulate, encryption, IPv4, IPv6, packet, payload, and VPN.
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The act of burrowing a tunnel.
noun
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The practice of exploring tunnel.
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(physics) The quantum mechanical passing of a particle through an energy barrier.
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(finance) A type of fraud where assets and profits are transferred out of firms for the benefit of those who control them.
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Present participle of tunnel.
verb
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