> The reason you don't actually hit 1 Gbit/s in practice is due to other overheads such as the interframe gaps, preambles, FCS, etc. Actually Gigabit Ethernet

> The reason you don't actually hit 1 Gbit/s in practice is due to other overheads such as the interframe gaps, preambles, FCS, etc. Actually Gigabit Ethernet is highly efficient; it can actually give you 98-99 % of line rate as the payload rate.