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(GigaBits or GigaBytes per SECond) One billion bits or bytes per second. Gbps is a measurement of peripheral data transfer or network transmission speed. The correct abbreviation is "b" for bits and "B" for bytes; however, "b" and "B" are often interchanged. See space/time, Mbps and Kbps.

Lower case "b" - Gbps, Gb/sec, Gb/s
Gigabits per second is used to rate high-speed serial data transfers such as with SATA and SAS disk drives or high-speed network transmission such as Gigabit Ethernet and 10 Gigabit Ethernet.

Upper case "B" - GB/sec, GB/s
Gigabytes per second is used to rate high-speed parallel data transfers such as memory-to-memory.
References in periodicals archive ?
Korea is committed to high-volume deployment of FTTH technology and we are pleased to win this contract with PMC-Sierra as they are the only silicon supplier with experience in deploying gigabit per second bandwidth FTTH in the millions of units," said Min Woo Nam, chief executive officer, DASAN Networks, Inc.
A PON (Passive Optical Network) network delivers gigabit per second bandwidth to the consumer using high-bandwidth optical fiber instead of copper wiring.
Designed to ensure line-rate connectivity between servers with data streams that exceed more than one Gigabit per second and the network core, the Force10 high density card enables True to lay the foundation for its next generation services by deploying 10 Gigabit Ethernet at the network edge that can scale from four Gigabits per second per port up to 10 Gigabits per second.
For those data centers that don't yet require full 10 Gigabit Ethernet capacity but require more than one Gigabit per second of bandwidth for such applications as data warehousing, cluster computing, disaster recovery and network attached storage, the low price point of the Force10 high density 10 Gigabit Ethernet card provides a scalable ramp from Gigabit to 10 Gigabit Ethernet speeds.
Network connectivity speeds between the organizations will be unprecedented, beginning at one gigabit per second (more than 1,400 times faster than most broadband connections).
CENIC's goal of a one gigabit per second (Gbps) ultra broadband infrastructure for all Californians represents more than a thousand-fold increase from today's commercial DSL and cable networks.
network testbed with a 10 Gigabit per second link between
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Emulex and Marvell share the vision that 10 Gigabit per second data rate is the next generation standard for high-performance storage networking," stated Mike Smith, Emulex Executive Vice President of Worldwide Marketing.
NetScreen was first to deliver an integrated security system that operated at 1 gigabit per second, and later doubled the NetScreen-1000's performance to 2 Gbps.
The NetScreen-5000 Series, which offers up to 12 gigabit per second performance, allows enterprises and carriers to augment their wide-area network-based perimeter security solution with a solution that can be deployed at the core of their networks.

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