CHOOSING AN ISP FOR BUSINESS

10. June 1998, 21:00 | by WD Milner | Full Article |

When it comes to choosing an ISP for corporate intranet, extranet or internet access, knowledge of the candidates is essential. The following is a list of considerations that may be used as a checklist when shopping for a corporate ISP.

Professional Staff

Internet engineeering can be complex. Check to make sure that the ISP has a staff of experienced engineers.

Power Protection

An ISP should have deisel generator backups for every node on their backbone. While “low tech” it is the only way to ensure reliability.

Mapping

ISP’s will often have several different versions of their backbone maps. Request the most detailed for examination.

Transport Mechanism

Check to see if the ISP’s backbone is switched, routed or a combination of the two. Make sure the ISP can explain how its technological approach translates into better services.

Connection Locales

Verify that the ISP has backbone nodes in the same cities as the corporate network. This can improve performance and save on the cost in backhauled circuits.

Transfer Speeds

Ensure that the ISP has a high speed backbone particularly between high traffic cities.

Network Capacity

The ISP’s should provide information on how much extra capacity is designed into their networks at peak in order to cushion traffic spikes. Thirty percent or more should be adequate.

Reliability

Query ISP’s on whether it deploys redundant equipment and circuits at each node, and that circuits are multi-routed fibre, and preferably multi-homed as well.

Internet Access

ISP’s should have at least three public Network Access Point (NAP) connections and several private peering arrangements in place. If the ISP claims they can’t (or won’t) disclose their peering, look elsewhere for a provider.

Performance Value

Ensure that the prices match the performance, and obtain performance guarantees, even if it means negotiating a custom contract.

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Categories: ,
Keywords: isp,bandwidth,circuits,enterprise,backbone,network

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