On 4/27/06, Joel Jaeggli <joelja@xxxxxxxxxxxxxxxxxxxx> wrote:
On Fri, 28 Apr 2006, Mike McCarty wrote: > Joel Jaeggli wrote: >> On Fri, 28 Apr 2006, Tim wrote: >> >>> On Wed, 2006-04-26 at 19:32 -0700, Rob wrote: >>> >>>> Am I right, that the throughput here is 1 Giga BYTES, >>>> which is 8 Giga bits? >>> >>> >>> Network card speeds are listed in bits per second. These are the three >>> most common speeds: >>> >>> 10 mega bits per second >>> 100 mega bits per second >>> 1 giga bits per second >>> >>> Don't ask me whether they're playing the SI or bullshit game regarding >>> mega and giga equalling millions and billions, or using 1024 >>> multipliers. >> >> >> Bits are in fact bits in this case. When you talk about packets or frames >> you tend to use bytes or octets (same thing) but line rate is bits per >> second. > > I think the issue raised was whether 1 Gbps is 1024*1024*1024 bps or > 1000*1000*1000 bps. 1 billion bits per second is 1*10^9 bits, contrast with 2^30 bits which bc says is 1073741824 http://en.wikipedia.org/wiki/Gigabit > Mike > -- -------------------------------------------------------------------------- Joel Jaeggli Unix Consulting joelja@xxxxxxxxxxxxxxxxxxxx GPG Key Fingerprint: 5C6E 0104 BAF0 40B0 5BD3 C38B F000 35AB B67F 56B2
The OP should look up IEEE 802.3 and the formulation of the various packets/frames in the standard. Using the ping data and etheral(?) he can reconstruct each frame, count the data transmitted/received per unit time and computed the throughput for his system.
