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Old 05-16-2009, 08:10 AM
RealtimeT1search RealtimeT1search is offline
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Join Date: Oct 2007
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Default TIP: The Average Amount of Computer Users on a 1.5 X 1.5 Mbps Data/Internet T1

The main question when determining how many users can be connected to a T1 is how will it be used? If everyone is performing heavy file downloads, MP3 uploads, and video/audio streaming, a T1 might max at 20 users. But when performing more "normal" business usage like general web browsing, sending email, etc. you'll still get good performance with 40 or more clients.

In contrast to residential broadband, you would be hard pressed to get that many users on a DSL or Cable connection (even if their bandwidth is listed as being higher) without having users complain about how poor response time is. DSL/Cable does not route nicely for more than 3 or 4 computers. The bandwidth may be there on the downstream side, but the distribution is not. A T1 divides far more evenly and smoothly.

Now if you're trying to run a VoIP telephone or several VoIP phones in an office, you will notice significant issues with latency and "jitter" via DSL/Cable. Primarily because the upstream and downstream speeds are NOT symmetrical. Like any normal phone conversation, there is a LIVE back and forth that takes place. And if the streams aren't in sync, voice quality can be adversely effected. This is especially noticeable with live video conferencing, where heavy delays and pixelation can occur.

In summation, a T1 is a dedicated connection with symmetrical upload and download speeds, which stay constant throughout the day/week/month/year VS. a regionally shared DSL-Cable line which has variable bandwidth depending on time of day, day of the week, etc. A T1 is simply a much more robust connection, which is why it's better suited for a multiple user environment. And why it's the most widely used bandwidth service for the business world.

Bottom line is that if you're operating a serious business/company, you want the best available Internet connection that fits into your budget. Commercial grade services like voice or data T1, PRI, DS3, Metro Ethernet- far excel consumer grade, IE: residential based services.
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Old 11-25-2009, 11:42 PM
GeoQuote GeoQuote is offline
Join Date: Mar 2005
Posts: 265

I've found that T1 is fast becoming an after thought when building the circuit backbone of a network in todays business world. The scope and complexity of applications just aren't approrpriate for a T1 anymore. Think multi-media, CAD, video-conferencing, disaster recovery, supply chain management, medical imagery, etc. for example ... and for purposes of the forum here Data Centers.

DS3 bandwidth and ethernet are more suited to today's business environment. Particularly when multiple locations are involved. Think MPLS there.
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ethernet, pri, sip, t-1, voip

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