Streamyx: Jun 6, 2008

Tips For Selecting a DSL Upgrade

Selecting a DSL upgrade service can be a challenge. With broadband delivered in wireless, cable or satellite form, there are several service options offered through multiple providers to choose from. Without getting overwhelmed by the choices, here are several factors to consider before signing up for a DSL deal.

1. The first thing you should do is determine what type of service is provided in your area. You may not have the same choices as city bound individuals if you live in a country or remote area. You may be limited to ADSL or satellite based services. ADSL usually requires that you are located a certain proximity from the service provider. You will need to canvas local providers to determine what your choices are. This can really narrow down your choices.

2. You need to determine what your requirements are. Businesses will require a larger capacity than individual accounts. Service provider plans are based on speed, capacity and the length of the contract. If you're a heavy downloader then you will require an account with a large capacity. Cheaper plans that have capped limits won't service your requirements. Businesses or individuals that upload more than they download may be better suited to SDSL that supports higher upload speeds.

3. Installation costs will also factor into your choice of services and plans. Cheaper plans do not always include hardware and can end up costing more once you buy a modem or router. This can also make some plans more appealing if they include hardware. Some deals also offer cash rebates if you are a cable account holder and you switch over to a DSL service that uses a phone line.

4. Some plans also subsidize other services such as TV or VOIP services. If you are a frequent user of these types of services, bundled deals offered through some service providers could provide some cost savings. You will need to investigate the options to come to an informed conclusion.

5. Research on the internet and compare plans. Consumer review sites are a great way to get feedback about service experience, installation waiting times and service provider speeds. You will be able to discover more plan and pricing options this way too.

Take the time to do some research and you will discover a better DSL deal. With the information provided by the internet and the competition provided by the market place There's no need to settle for one provider when there may be several better options to choose form

Andrew Winthorp owns and operates http://www.dsl-upgrade-online.com . Discover how to find a DSL plan that matches your requirements.

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Streamyx Installation Guide

What's The Difference Between DS3 And T3 Bandwidth?

Don't be confused about the difference between DS3 and T3 circuits. These terms are really synonymous. Instead you should focus on what they can do for you...and the best scenarios for application.

Digital Signal (DS) is a system of classifying digital circuits according to the rate and format of the signal (DS) and the equipment providing the signals (T). DS and T designations have come to be used synonymously so that DS1 implies T1, and DS3 implies T3.

A DS3 line (also known as a T-3) is an ultra high-speed connection capable of transmitting data at rates up to 45 Mbps. A DS3 line is equal to approximately 672 regular voice-grade telephone lines, which is fast enough to transmit full-motion, real-time video, and very large databases over a busy network. A DS3 line is typically installed as a major networking artery for large corporations and universities with high-volume network traffic. Other example applications include large call centers, enterprise wide VoIP and IP PBX systems, Internet service providers, research labs, video conference centers and software development companies. A DS3 is the second fastest, non optical connection offered in North America. A DS3 line is comprised of 28 T1 lines, each operating at total signaling rate of 1.544 Mbps.

DS3 circuits provide businesses and Internet Service Providers (ISPs) with up to 45 Mb/s of dedicated Internet connectivity. This is an ideal solution for users who have outgrown their T1 connections and are in search of unlimited, high-capacity access. A DS3 line actually consists of 672 individual channels, each of which supports 64 Kb/s. DS3 lines are extremely high bandwidth connections into a carrier's backbone. They typically include SLAs (Service Level Agreements) that guarantee uptime and performance.

The DS3 signal itself is composed of 28 DS1 signals and is constructed using a two-step multiplexing process. First, the 28 DS1 signals are multiplexed into seven DS2 signals. Second, the seven DS2 signals are multiplexed into one DS3 signal. Each multiplexing step uses bit stuffing to handle the different input frequencies. Overhead bits provide alignment, error checking, in-band communications, and bit stuffing control information.

Line rate: 44,736,000 b/s
Signals: 7 DS2 signals = 28 DS1 signals
Overhead bits:
56 bits total/frame
F-bits (framing) 28 bits/
M-bits (multiframing) 3 bits/
C-bits (stuffing) 21 bits
X-bits (message) 2 bits/
P-bits (parity) 2 bits/
Data bits between overhead bits 84

A DS3 connection is comprised up of two monthly charges: the local loop and the port charge. The local loop charge is the cost of the circuit provided by the Local Exchange Carrier (LEC) that allows DS3 access into the carrier's network. The loop charge is based on the distance from the customer's location to the edge of the carrier's network; the farther the customer is from the network, the more the loop will cost. Nearly every carrier prices loops differently so it is in your best interest to price DS3 service with several providers to ensure that you get the best deal.

DS Internet Access is the ideal solution for businesses that require high-bandwidth access at a reduced price. Whether you host high-traffic Web sites, support Web hosting or need high-capacity bandwidth on an as-needed basis, there's a level of DS3 service (Full or fractional) that will meet your needs. Fractional to full DS3 or T3 circuits run from speeds of 3 Mbps up to 45 Mbps.

For customers that require more bandwidth than a T1 line can provide but do not yet require the capacity of a full DS3 line, a fractional DS3 connection is the ideal solution. A fractional DS3 is similar to a full DS(T)3, only with some of the channels turned off. This reduces the total monthly cost and provides additional capacity that can be turned up in a matter of days. Unfortunately, the DS3 (T) loop is still required for this service.

If a full DS3 line is more bandwidth that you really need, it is also possible to get Fractional DS3, which gives you a portion of full DS3 bandwidth at a lower cost. Of course, DS3 is also available in multiples to increase bandwidth, similar to bonded T1 service.

DS3 service can be deployed for a wide verity of applications. The most common uses are DS3 point-to-point, DS3 internet, DS3 frame relay, DS3 voice and DS3 VPN. The pricing for these connections varies widely depending on the carrier, location of service and the application for which the connection is being used. Visit DS3 Bandwidth to obtain current "real time" rate quotes for your location.

Michael is the owner of FreedomFire Communications....including Business-VoIP-Solution.com. Michael also authors Broadband Nation where you're always welcome to drop in and catch up on the latest BroadBand news, tips, insights, and ramblings for the masses.

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