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| You are not hating Comcast correctly by Entropy Stew 12/29/2017, 12:26pm PST | ||||
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my dad asked if he could tell what speeds he was getting for comcast. well dad you can go to a site yeah there is a site that will tell you. megabit or megabyte he asks. well megabit isnt a thing, its something they invented to make a number seem larger. so they can give you shitty service and it seems like a lot more data is getting transferred. Network connections have been measured in bits since network connections have existed. Measuring throughput in bytes, be they kilo- or mega-, might be affected by things like a network protocol's parity bits (or whatever), so network interfaces get quoted in raw bits per second. Hence megabits. okay you can go to speedtest.net. only dont go to that one because they optimize for it, see they could give you the speeds they show there but they dont. you want to find one not too popular. speedtest.net has always been accurate on my Comcast connection. Try fast.com I guess? That will tell you whether your netflix bandwidth is actually there, if nothing else. oh, upload speed versus download speed? well they dont want you running like web pages on your internet connection ha ha ha no no no so upload is less than download. DOCSIS channels are half-duplex. That means you can't send and receive on a channel at the same time, so you end up with a split of dedicated upstream and dedicated downstream channels. This split skews heavily in favor of download, since downstream bandwidth is overwhelmingly preferred to upstream in normal consumer use. Upload is also usually optimized for reliability over speed, since your cable modem's transmission equipment is probably worse than whatever industrial grade hardware the cableco is using. They (engineers? scientists?) are working on a full duplex version of DOCSIS 3.1 right now which would allow for symmetrical connection speeds. The standard is new as of this year, so deployment is probably at least 4 years away, if we see it at all. -/ES/- |
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A Comcast Rant by 12/21/2017, 7:57pm PST  Technically, megabit was before Comcast. NT by 12/21/2017, 10:36pm PST You are not hating Comcast correctly by 12/29/2017, 12:26pm PST Using "megabit" isn't any more accurate than "megabyte" though. by 12/29/2017, 3:40pm PST I have, at no point in my life, ever heard a network speed quoted in megabytes by 12/29/2017, 9:36pm PST You don't download games in megabits NT by 12/30/2017, 7:58am PST a physical network connection NT by 12/30/2017, 10:47am PST No part of the technical reasoning makes an ISP's marketing more honest to users by 12/30/2017, 1:01pm PST Using the accepted unit of measurement: CYNICAL MARKETING NT by 12/30/2017, 1:56pm PST |
