piggybacking

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piggybacking

(1)
A method for passing acknowledgement frames and data frames in the same direction along a line.

piggybacking

(2)
The practice of increasing memory capacity by soldering chips on top of other chips. The chip-enable or high address pins would be connected to the address bus by a flying lead. Many Ohio Superboards were expanded to a massive 8K of RAM in this way.

piggybacking

(1) Gaining access to a restricted communications channel by using the session another user already established. Piggybacking can be defeated by logging out before walking away from a workstation or terminal or by initiating a screensaver that requires re-authentication when resuming. See replay attack and hijacking.

(2) Using a Wi-Fi hotspot of neighbors who have not secured their network. See Wi-Fi piggybacking and Wi-Fi hotspot.

(3) Embedding the names of popular brands or companies into the hidden meta-data of a Web page in order to rank high up on a search engine's results page. See meta tag.
References in periodicals archive ?
But the Aberdeenshire chippy that first served the dish have accused them of piggy-backing their idea.
They even move in convoy, piggy-backing on other snails' slime to save energy.
Exeter University scientists also discovered that they even move in convoy, piggy-backing on other snails' slime to save energy, the Mirror reported.
Be it piggy-backing to a rise levee or packing into a decoy sled behind a 4-wheeler, these little duck hunters are always ready to roll.
CVF director james Munro admitted that while sales had taken a hit over recent months, he believed the strength of the new offer, which would see premium imported and regional foods piggy-backing on existing six-day-a-week deliveries across the North-east, could help to cushion the company from any significant downturn.
They are launched by piggy-backing onto larger satellites when they take off.
The company is believed to see this agency partly as a way of piggy-backing its beef into previously inaccessible establishments.