backplane is the shared capacity between interfaces on a switch switch fabric is also the shared capacity between interfaces on a switch and can also be the shared capacity between interfaces on multiple switches using some sort of interconnect, typically vendor specific.
Eelgrass once grew in abundance in Barnegat Bay, New Jersey, where it was harvested, dried and used for insulation in houses, such as the governor's summer mansion in Island Beach State Park. A blight decimated the eelgrass, which ended harvesting of the plant. The plant is making a gradual comeback.
Eelgrass grows underwater, and it is beautiful foliage. It's unfortunate that eelgrass grows underwater, as it is quite attractive in its own right. In practice, though, this oxygenating plant is grown more for its usefulness, since it is scarcely visible in its pool bottom habitat. Description of eelgrass: Eelgrass bears ribbonlike, translucent leaves in pale green that rise gracefully upward, but they rarely reach the surface.