In a paralel relation over this summer comcast reported that Blizzard and Steam traffic is about 45-52% of there data down. and roughly 14% up often resaulting in congestion-
Does this meen that media (netflix, youtube etc) puts a large strain in just comcast and company? On Fri, Nov 21, 2014 at 1:46 PM, Joshua Thorp <jth...@redfish.com> wrote: > The article lays the blame at ACK packets... > > > “”" > So how do Netflix customers send so much data today? The answer is mostly in > “ACK packets,” Deeth said. Signifying “acknowledgement” that data has been > received, ACK packets are part of the TCP’s (Transmission Control Protocol’s) > three-way handshake that connects client devices to servers over the > Internet. The third step of the process has the client (i.e. a Netflix > subscriber) sending acknowledgement back to Netflix’s servers. > > These ACK packets are so numerous that they can sometimes interfere with > downloads. Internet service plans with upload speeds that are much smaller > than download speeds exacerbate this problem, Sandvine wrote in its fall 2011 > report. > > “If upstream is so heavily utilized that ACKs fail to reach the sender, then > TCP responds by backing off its sending rate, which to the subscriber means > reduced downstream speeds and will ultimately manifest as a downgrade in > video quality,” Sandvine wrote. > “”" > >> On Nov 21, 2014, at 1:38 PM, Steve Smith <sasm...@swcp.com> wrote: >> >> Roger - >>> But I have no idea what I could be sending Netflix that occupies 1/4 the >>> bandwidth that I get from them. Are they watching me on my web cam or >>> something? >> Yeh Nielson owns all your facial responses and what kinds of dressing you >> put on your popcorn whilst watching movies ;) >> >> The upstream bandwidth IS a mystery... one assumes that someone else less >> given to idle speculation on such topics than I has already sussed this out >> a couple more levels of indirection?! >> >> At first I assumed that Netflix (like YouTube) had some kind of "upload >> capability" but I'm pretty sure I'd know that if it did... and it would >> mostly just be cute cat videos and people popping pimples. >> >> >> >> ============================================================ >> FRIAM Applied Complexity Group listserv >> Meets Fridays 9a-11:30 at cafe at St. John's College >> to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com
