LiterSide

The network bandwidth and the internet is like a highway. The more lanes you have the more traffic you can push through at one time. The traffic is like the information you are sending or recieving. When there is road construction that limits the lanes, or something that add more traffic like a sporting event the overall time it takes to get through is affected. You don't always see the cause of a backup on the highway but it can often be predicted by the time of day or the day of the week. Also , but not exhausting the analogies, if only one car needs to get through, like to check the mail, it may not be necessary to construct a 5 lane highway. Although, with some of the big packages you may be getting, having more than one lane to get packages to your house might not hurt.