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tunnelling

   Also found in: Dictionary/thesaurus, Medical, Legal, Idioms, Wikipedia 0.01 sec.
(networking)tunnelling - (US: "tunneling") Encapsulation of protocol A within protocol B, such that A treats B as though it were a data link layer. Tunnelling is used to get data between administrative domains which use a protocol that is not supported by the internet connecting those domains.


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The established technology protecting a company's network against internet-based attacks is tunnelling using a Virtual Private Network (VPN).
This involves the use of special tunnelling machines working at depths of up to 20 metres.
AN extra 22 jobs are being created by a tunnelling company, it was revealed yesterday.
 
 
 
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