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2. Multilayer switch - Wikipedia

   en.wikipedia.org/wiki/Multilayer_switch

   Switching uses different kinds of network switches. A standard switch is known as a layer-2 switch and is commonly found in nearly any LAN. Layer-3 or layer-4 switches require advanced technology (see managed switch) and are more expensive and thus are usually only found in larger LANs or in special network environments.

3. Network interface controller - Wikipedia

   en.wikipedia.org/wiki/Network_interface_controller

   10 Gigabit Ethernet NICs are also available, and, as of November 2014, are beginning to be available on computer motherboards. [6] [7] A Qlogic QLE3442-CU SFP+ dual-port NIC. Modular designs like SFP and SFP+ are highly popular, especially for fiber-optic communication. These define a standard receptacle for media-dependent transceivers, so ...

4. Gigabit Ethernet - Wikipedia

   en.wikipedia.org/wiki/Gigabit_Ethernet

   Supermicro AOC-SGP-I2 dual-port Gigabit Ethernet NIC, a PCI Express ×4 card. 1000BASE-T (also known as IEEE 802.3ab) is a standard for Gigabit Ethernet over twisted-pair wiring. Each 1000BASE-T network segment is recommended to be a maximum length of 100 meters (330 feet), [5] [a] and must use Category 5 cable or better (including Cat 5e and ...

5. Ethernet physical layer - Wikipedia

   en.wikipedia.org/wiki/Ethernet_physical_layer

   Generally, layers are named by their specifications: [8] 10, 100, 1000, 10G, ... – the nominal, usable speed at the top of the physical layer (no suffix = megabit/s, G = gigabit/s), excluding line codes but including other physical layer overhead (preamble, SFD, IPG); some WAN PHYs (W) run at slightly reduced bitrates for compatibility reasons; encoded PHY sublayers usually run at higher ...

6. Gigabit interface converter - Wikipedia

   en.wikipedia.org/wiki/Gigabit_interface_converter

   1000BASE-SX GBIC. Gigabit interface converter (GBIC) is a standard for transceivers.First defined in 1995, it was used with Gigabit Ethernet and Fibre Channel.By standardizing on a hot swappable electrical interface, a single gigabit port can support a wide range of physical media, from copper to long-wave single-mode optical fiber, at lengths of hundreds of kilometers.

7. Small Form-factor Pluggable - Wikipedia

   en.wikipedia.org/wiki/Small_Form-factor_Pluggable

   For example, a typical 24-port QSFP+ 1U switch would be able to service 96x10GbE connections. [ 58 ] [ 59 ] [ 60 ] There also exist fanout cables to adapt a single QSFP28 port to four independent 25 Gigabit Ethernet SFP28 ports (QSFP28-to-4×SFP28) [ 61 ] as well as cables to adapt a single QSFP56 port to four independent 50 Gigabit Ethernet ...

8. Google data centers - Wikipedia

   en.wikipedia.org/wiki/Google_data_centers

   The private side of the network is a secret, but a recent disclosure from Google [90] indicate that they use custom built high-radix switch-routers (with a capacity of 128 × 10 Gigabit Ethernet port) for the wide area network. Running no less than two routers per datacenter (for redundancy) we can conclude that the Google network scales in the ...

9. 2.5GBASE-T and 5GBASE-T - Wikipedia

   en.wikipedia.org/wiki/2.5GBASE-T_and_5GBASE-T

   Line code Symbol rate per lane (MBd) Bandwidth (MHz) Max distance (m) Cable Cable rating (MHz) Usage 2.5GBASE-T: 802.3bz-2016: current 2500 4 4 6.25 64b66b PAM-16 128-DSQ: 200 100 100 Cat 5e or Cat 6 [6] 100 LAN 5GBASE-T: 802.3bz-2016: current 5000 4 4 6.25 64b66b PAM-16 128-DSQ 400 200 100 Cat 5e or Cat 6 [6] 250 LAN 10GBASE-T: 802.3an-2006 ...