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Searching For the Fastest DSL in the Nation
DSL is the original high-speed broadband solution. As a technology, it piggybacks on existing twisted copper phone lines and uses them to transmit digital data alongside traditional voice transmissions.
DSL stands for “Digital Subscriber Line,” which describes how it works as a business — customers subscribe to a digital line alongside of or instead of a landline phone subscription.
DSL has gone through several major changes in recent years, constantly updating in order to compete with technologies like cable and fiber that offer overall faster download and upload speeds. This has led to the popularity of VDSL2, ADSL, and other DSL “varieties” you’ve probably seen while shopping for home or business Internet connections.
Most customers have access to at least two broadband technology options. DSL is one of the most common, with coverage over a full 90% or more of the US.
Cable and fiber are common alternatives to DSL. You can check the specific options in your neighborhood using this zip code coverage tool:
DSL is different from cable in that the distance between the provider and the subscriber has a huge effect on the speed you’ll get when you hook up your laptop and run a speed test.
As with most budget Internet options, you may also find that speeds slow down when broadcast over Wi-Fi in your house, and that it may be preferable to hardwire PCs, gaming consoles, and other bandwidth-intensive devices that could benefit from a direct ethernet connection to the router rather than the convenience of Wi-Fi.
If you’re within 1 mile, the speed should be around the download rate advertised in the DSL provider’s marketing materials.
Around 2–3 miles, the speed can be expected to slow down considerably and you may encounter issues with packet loss.
Beyond 3 miles, customers would start to have problems. Unfortunately, determining your distance from the local DSLAM isn’t a simple matter. Generally, DSL providers will simply promise that they can deliver speeds in the neighborhood of those advertised, and that customers who live too far away from them to get reliable speeds will simply not be serviced.
In some cases, upgrading your modem and router can improve your connection speed since older devices are not able to support the most recent speed upgrades from your provider. This hold true for “gateways,” the term used for the combination modem/router boxes commonly provided for customers who lease their equipment directly from the provider rather than purchase their own outright.
Wiring some of your devices such as PCs or gaming consoles directly to the router using ethernet is another common and helpful solution. Wi-Fi is convenient, but it generally doesn’t perform as well as a real wired connection when it comes to speed and latency. Particularly if you have a large residence with multiple devices crowded onto a single Internet connection, using the LAN ports on the back of your router to connect ethernet to some devices will likely save you a few Mbps and shave some milliseconds off your ping.
DSL gets a bad rap in the broadband world since the top speeds offered are twice as slow as cable, and several times slower than fiber. That said, there are some benefits to DSL service, and even suburban and urban customers can find it to be preferable in some areas.
The main culprit here is peak-time slowdown. This is a common problem in neighborhoods serviced by coaxial cable Internet connections, as the network gets “congested” when everyone gets home from work and switches on Netflix. While DSL is a direct line to the Internet provider, cable connections are “shared” across dozens or even hundreds of houses. Cable providers assume that everyone won’t use their maximum bandwidth at the same time, and as a result many neighborhoods wind up oversubscribed.
DSL can be an attractive alternative in these neighborhoods since the speed, even if it’s a modest 35 Mbps or so, will always be 35 Mbps, regardless of what the neighbors are up to.
Ultimately, DSL will always be perceived as the “budget” option since the raw speeds offered tend to be so much lower than cable and fiber. For rural customers, it may be the only option, but thankfully advances in the technology have improved DSL to the point where it can more than handle modern uses like streaming Netflix, chatting on Skype, and gaming.