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The Rise of Gigabit Ethernet: Transforming Data Transfer for Advanced Networking

Gigabit Ethernet (GbE) has revolutionized high-capacity backbone networks, enhancing data transfer rates through technological advances. Though not widely adopted by consumers due to costs and platform limitations, recent price drops have made GbE more accessible. Utilizing upgraded Cat5e cabling and supporting various applications such as digital photography, streaming video, and faster database access, GbE has significantly increased productivity. As we explore further technologies like 10GBASE-T and 100GbE, the evolution of networking continues to push boundaries.

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The Rise of Gigabit Ethernet: Transforming Data Transfer for Advanced Networking

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  1. Gigabit Ethernet Zach Kokkeler and Jeff Schroeder

  2. Early Adoption • High capacity backbone networks • Not widely used by consumers • Too expensive for desktop use • GbE could not be utilized (PCs too slow) • 20% - 30% network utilization • 200Mbps actual throughput • Unreliable over Cat5 cables

  3. Market Growth • Prices have dropped dramatically • Implementation over Cat5e cabling • Faster PCs WideBand Corporation www.wband.com

  4. Increased Productivity • Through a multitude of technological advances, GbE has provided great advances in data transfer rates. WideBand Corporation www.wband.com

  5. Uses for GbE • Digital photography • Satellite imaging • Faster database access • Streaming video • Real-time file transfers • Back-ups

  6. Media Types • 1000BASE-SX and 1000BASE-LX over fiber. • 1000BASE-T over copper. (1000BASE-CX) • Switched full-duplex only.

  7. GbE over Cat5e • Older standards (10BASE-T and 100BASE-TX) did not use all four pairs of wires. • 5-level pulse amplitude modulation (PAM-5) allows multiple signals to be sent. 125 megapulses per second. Wikipedia

  8. Optical • Optical wiring uses fibers of glass or plastic • Total internal reflection allows rays of light to travel through the core, reflecting off the cladding.

  9. Beyond GbE • Seven different media types • 10GBASE-T over Cat5e, Cat6, and Cat7 • All other media types rely on fiber-optic transmission.

  10. 10 GbE and 40 GbE • By using multiplexers with optical wiring, speeds up 40 GbE may be obtained. • With wavelength division multiplexing, separate colors are multiplexed, sent together, and de-multiplexed at the receiving end.

  11. 100 GbE • Recent technologies have broken the 100 GbE barrier.

  12. Sources • http://www.nanog.org/ • http://www.wikipedia.org/ • http://www.networkworld.com/ • http://www.hardwaresecrets.com • http://www.internetnews.com

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