What are the advantages and the disadvantages of using an ISP?

Published: 05 Feb 2004

What are the advantages and the disadvantages of using an ISP? There are a huge number of factors to consider,...

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and their relative importance will depend on your needs. Head over to http://www.dslreports.com/ to get a feel for what is causing other customers pain. Here's a quick list of what factors to consider when evaluating ISPs:

Upfront and ongoing costs.
Upstream and downstream last-mile bandwidth (the speed from the ISP to your network).
Average wait time for support calls.
Average uptime (usually expressed as a percentage, such as 99.9%).
Static IP vs. Dynamic IP (with Static IP being better only if you host a server).
Security services, such as a firewall, filtering router, or intrusion detection.
The bandwidth the ISP has to other ISPs, and the redundancy of those connections.
Additional services that you may need, such as e-mail, Web hosting, and newsgroups.

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dynamic IP address