Connection good but Internet response slow

Posted on 2007-10-03
Last Modified: 2009-06-17
Our offices are part of a service office arrangment. So our Internet connection is provided by the people who own the building. We have a very fast connection to the Internet, I am told that it is 15MB. though I find that response rates from websites can be quite slow some times.

When using FTP is downloads work very well. I have done a line speed test and got these results.
39,601 kbps upload and 15,571kbps download.

I have discusssed this with the building managers who have contacted the IT service company that manages our network but didn't get much information.
Basically when you click a link on a website it takes longer than it sould to react. It makes for slower surfing. I have checked this on lots of different computers and it is the same.

Is there any way I can test the connection and highlight what may be causing this.
Question by:moyles
    LVL 2

    Expert Comment

    Visit htto:// In addition is the speed issue when you are accessing one website in particular or all websites?

    In addition you can install TreeWalk DNS server on a PC. In the network settings make the primary dns server the IP address of the PC. This will test if the ISP's DNS servers are having any issues. Treealk DNS server will let you resolve your own DNS rather than using the ISP.

    Lastly you may be suffering because the internet connection is shared with other busineeses. It may be that someone is hosting a webserver on that shared internet connection or using some kind of peer to peer fil download like Bit Torrent. Checking the firewall logs should confirm this.

    Author Comment

    here is the spped test result
    I am not sure if i can install the tree walk but will give it a go.
    It is not any particular website but general web use that we are affected.

    Author Comment

    LVL 4

    Expert Comment

    IMHO what would be causing this is the ISP's DNS servers giving slow responses back to your computer to resolve the IP address of the website. speedtests dont show this.

    The best way around it is to get thier ISP to monitor the requests, but to be honest by far in the best way to fix this without relying on the ISP (Depending on resources) is to configure your own DNS server within the network, which will cache the responses of the most commonly visited sites. this would mean that you would only be getting the name resolution from your server and not thiers.

    now if you are currently using a DNS server this could also be the problem, as it moy not be configured optimally. If this is the case you can use the NSLOOKUP command to measure the response time from the name servers

    Accepted Solution

    OpenDNS seems to be the solution

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