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 ?
A Fedex 22-wheel piggy-back tractor trailer was cruising at 62 miles per hour and took no evasive action to avoid the victims' disabled small pickup truck with flashing hazard and brake lights illuminated.
Dominique showed off her strength as she took her mom on a piggy-back ride, causing La Greta to curse as she jumped on her and then call her 'my horsey.
India would launch its latest remote sensing satellite in Cartosat-2 series along with 28 foreign satellites riding piggy-back in December, a top space official said on Monday.
The basis for this is provided by the Xplus1 technology, a newly-designed upper part of a piggy-back head with an additional extruder which, when used with silica compounds, adds a carbon black compound into the tread to ensure the discharge of static energy from the tire.
Architecture concept b): Piggy-back CourierThis options assumes ESA provided return spacecraft launched piggy-back stacked on top of a NASA led spacecraft for launch transferred to Mars together with the NASA spacecraft utilising the 15 kW class SolarElectric Propulsion (SEP).
Workington Comets: 59 Berwick Bandits: 33 THE Berwick Bandits went in search of Premier League points from the Workington Comets last night, with the Border Trophy riding piggy-back on the aggregate total - including Saturday's home win score of 50-43.
Shake It Off singer Taylor posted photos of the pair as she jumped on her man for a piggy-back ride.
And not only will he give out dozens of his trademark hugs along both routes, Patrick has also vowed to give a piggy-back to those struggling to keep going in the popular events.
The pair high-fived as Alastair showed off his skills then climbed aboard for a piggy-back.
By contrast, closed-end second liens (CESs) often were issued to borrowers with low credit scores and were more likely to be originated at the same time as a first lien (a so-called piggy-back mortgage) or with a nonprime first mortgage.
probes the world of commercial enterprises seeking to piggy-back on breast cancer to sell products or make token donations to "find the cure.