On enterprise networking hardware, it is negligable, but for home routers, especially less powerful ones, it becomes more noticable and you can easily add a few extra milliseconds to your ping times if a hotspot user decides to create a constant connection, even if the throughput needed is low, if there are many connections, it will impact the performance of the hom user. Have a rate limited benchmark go between 2 systems, and then have 2 other systems on the same network start their own rate limited transfer, even if you are only using 25% of the available network capacity, ping times will increase as the router is doing more work. If you have a program such as ixchariot, you can demonstrate this yourself. (as you create more network activity, pingtimes slow down. The only way to avoid this will be to have a completely separate wifi radio and antenna running on a completely different non overlapping channel in roder to prevent the public network from impacting the home user's wifi.įurthermore the CPU will have to be significantly faster. The overhead of dealing with more than one client will cause the sppeeds for both clients to be less than 50mbit/s, you will be more likely to see around 45Mbit/s or less.
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If your wifi radio can do 100mbit/s on clieent, then if you add an additional client and both want full speed, then both will not get 50mbit/s under a completely fair que. Keep in mind that wifi radios are not 100% efficient in handling multiple users. To start off (will get more into it later) comcast is rarely ever able to offer customers with the speed they are paying for, for for virtually all users, any additional user using their network will cause a slowdown regardless of what comcast says. That's usually the hurdle most cable companies have with giving away equipment.
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I think what they will probably do is offer to not rent out your router for being a hotspot, or allow you access to the free hotspot without a subscription fee. Something tells me these ones will be on their own separate channel. Cable connections use Channel bonding where they can connect to 4-16 channels. It won't eat at your connection or consume your bandwidth. However, at any time your whole IP address can be reference over the internet. The only security risk is that a person has all but 1 set of numbers for your IP address. However, this will treat that access point as a completely different IP. So making one dedicated to Comcast public wifi is totally possible. Right now, routers let you setup a guest wifi, 2.4ghz wifi, and over 5ghz wifi.
Second, I am pretty sure these routers are specifically developed to allow multiple WiFi networks in order to enable better public WiFi. I don't think the article writer understands how the internet works.įirst, Comcast will not be able to activate this on Arriss, Cisco, or SMC routers because they don't have the necessary hardware to do so.
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