Sorry, I misinterpreted what you wrote, your calculations are for an average utilisation of 50%. That sounds plausible (obviously you have more of an idea about your own traffic profiles than I do!).
On Tue, 22 Feb 2011 13:52:44 +1100, Andrew Jones <[email protected]> wrote: > Those calculations assume 100% link utilisation all the time, which is > likely far from true. Your actual cost/MB will probably be significantly > higher, even at the NOC. > > -Jonesy > > On Mon, 21 Feb 2011 17:06:35 -0600, Matt <[email protected]> wrote: >> Trying to calculate bandwidth costs. >> >> 1Mbps / 8 bits = 125,000 bytes a second. >> >> 125,000 x 60 x 60 x 24 x 30 = 324GBytes a month. >> >> This is just download we are looking at but since that is the majority >> of traffic and TDD/GPS Sync is often optimized for download we will >> just look at that and add download and upload on the user since upload >> likely hurts our AP's worse. >> >> Looking at my bandwidth graphs 50 percent of time is sorta off peak so: >> >> 324GBytes / 2 = 162GBytes. >> >> So say your cost per Meg is $100 >> >> $100 / 162 = $0.62 per gigabyte transferred. >> >> I realize this is just at your NOC but does this sound realistic? >> >> So a Media Streamer doing 200 Gigs a month costs $124in NOC bandwidth >> alone. Then you have last mile costs. >> >> >> > -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> > -------------------------------------------------------------------------------- >> >> WISPA Wireless List: [email protected] >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
