T1 vs Fiber - question about performance
The situation -
My organization recently switched to a dedicated T1 (XO Communications) from a 1 meg fiber line as the fiber provider (Allied Riser) decided to get out of the retail business. We have 35 users in the office although there are generally no more than 20 online at a time and a web site which gets about 200,000 hits a month. We also run behind a 3com Office Connect firewall.
The quandary -
Since the ISP switch line performance has bottomed out. Speed tests on the line run at an average of 160-200 down and 100-150 up. The fiber never had a problem handling the load even though it was less bandwidth. XO says we too many people on that size line and that is why our bandwidth is suffering. I am ignorant about the tech specs so I can't argue but I am researching. Are they just blowing smoke?
The Question -
Any idea what's happening here? I know nobody can tell me for sure but I would like some ideas of the differences between fiber and a T1. It seems to me that I should at least get the equivalent of my previous performance since a T1 is a 1.5 m line as opposed to a 1 m fiber. Could it be because copper wires are now involved? Yipes is in our building and they are a fiber provider, I am talking with them and also Qwest. We have a 90 day out with XO fortunately that I can use if I have to.
ShinyTop8S T IPremium
I am assuming from your post that you believe you have contracted for 1.5/1.5 which is a full T1. My company has contracted for 768/768 at my site. With 50+ users daily my download speedtest is never less than 500.
So I would guess you and your ISP are not in agreement on the bandwidth you have. Some ISP's sell a package that is lower bandwidth but increases on demand. Since you have a major slowdown I would say you should tell them to fix it or you will use your 90 day out. Assuming of course, that your hits and number of users have not had a drastic change.
You don't stop laughing because you grow old, you grow old because you stop laughing.
Red Oak, TX
|reply to finkmota |
It does sound like the performance issues are directly related to the provider switch. Re-run your speed tests when the office traffic and server traffic are likely to be at their lowest levels. Although the DSLR speed tests are quite accurate, run the speed tests at various different test sites. I like »www.speedtest.net You can find lots here too »www.testmyspeed.com/statemain.htm.
If you come up with a consensus of poor results, hammer your provider until they fix it!
|reply to finkmota |
Thank you for all your answers. They have been quite helpful. I am trying to work with the ISP but they are being cagey and giving a lot of non answers, but I will press on.