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ADSL Business Broadband Or SDSL? How Can They Differ And What Is Best For Your Business Requirements?



For many businesses having high speed internet access is a necessity, although businesses will differ in terms of which type of access best meets their needs. It is useful to compare business broadband ADSL with business broadband SDSL so that businesses can decide which one is best for their requirements.

With regards to Symmetric Digital Subscriber Line (business SDSL), in addition to quick internet access speeds the data download and upload speeds are equal. A machine therefore has the same amount of bandwidth to send data to the internet as it has to receive data from the internet. Asymmetrical Digital Subscriber Line (ADSL) has more bandwidth available for receiving data than it does for sending data.

Hosting mail servers and websites, doing lots of videoconferencing and running a virtual private network are all things that may cause businesses to regularly have to upload data. SDSL is good for such cases where quick data upload is required, with upload speeds reaching 7 MB a second; however ADSL would not be efficient as upload speeds are around 1 MB per second so uploading lots of data would take much longer. In addition several business broadband ADSL plans have monthly usage caps but usage is unlimited for SDSL.

Business broadband SDSL sends data and receives data along copper phone lines utilising a digital frequency and other services connected to the line (for example fax machines or phones) can't be used if the SDSL is using the line. Therefore a dedicated SDSL line is required if you want to maintain these other services whilst being online. ADSL however allows you to be online and still have the phones and fax machines work without needing a separate line.

An SDSL service is never switched off, so as soon as a computer that is utilising SDSL is switched on, it will be connected to the internet. You need an SDSL modem for SDSL services. The modem will often require DSL chipsets and LAN equipment supplied by the same vendor.

Business broadband SDSL is not available everywhere and the speeds will differ depending on how far away the SDSL is from the local hub, whereas ADSL generally has wider geographical availability though speeds will also differ in different areas. SDSL costs a lot more than ADSL as well and will often require a contract of at least a year. Usually business broadband ADSL does not require you to commit to a year-long contract and gives you the flexibility to change your provider or package in less than a month.

If a business does not need to quickly upload large amounts of data and it does not want to take out a year-long contract, then ADSL business broadband is a cheaper, more suitable option. Business broadband SDSL is more suitable for businesses that need both quick data upload and quick data download services because although SDSL is more expensive than ADSL it will be much more convenient and cost-effective over the long term.



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