Archive for November, 2008
27th November
2008
DSL (Digital Subscriber Line) has become pretty standard in most homes and places of business in recent years since the explosion of the internet. DSL, sometimes referred to as XDSL, is a general term for a family of technology. Within the DSL family, there are several different kinds of DSL, each with its own unique features and benefits.
Like the original dial-up connections, DSL uses your phone line to connect. The difference is the speed- DSL is much faster than its predecessor. The typical download speed for consumer DSL ranges anywhere from 256 to 24,000 kbits/s. Speeds vary depending on many factors such as the DSL technology used, line conditions and the level of service the customer has paid for.
DSL is popular among consumers because of its low cost and its ability to use pre-existing phone lines without interruption of service or without having to install any expensive hardware. DSL works with your existing phone lines by using a high frequency, while the telephone line uses a low frequency. In this way both services are able to run on the same line simultaneously.
ADSL
ADSL (Asymmetric DSL) is the most popular consumer DSL. ADSL gets its name from the fact that its upload and download speeds are asymmetrical. That is to say that download speeds are generally much faster than upload speeds. It’s not random that it’s like this. Most consumers prefer to have faster download speeds because they tend to download much more than they upload. It makes sense for telcos to meet consumer demand by providing faster download speeds and dedicating more bandwidth to downloading than to uploading since most users don’t upload nearly as much as they download.
SDSL
SDSL (Symmetric DSL) is different from ADSL because instead of having different upload and download speeds, both speeds are the same- they are symmetric. It’s used mostly for small to medium sized-businesses, typically who host their own servers on-site. SDSL allows users to upload more information while still maintaining its speed. Because of the extra upload speeds, SDSL is more expensive than ADSL, making it impractical for the average consumer. On the other hand, businesses that need to upload lots of information will benefit from the faster speeds and the extra cost will be worth it.
VDSL or VHDSL
VDSL (Very High Bitrate DSL) is the highest speed DSL available on the market today. It works by using a single flat untwisted or twisted pair of copper wires. Because the speeds are so fast, VDSL is capable of supporting HDTV, VOIP and regular internet access over the same connection. The new generations of VDSL are so fast they’re able to support over 100 Mbits/s of both downloading and uploading. Because of its versatility telcos are able to offer bundled packages which include all the above services plus video-on-demand. Unfortunately, the cost of VDSL is currently too high for it to be practical for most people. However, in the future as prices drop, VDSL will be a viable option for most people.
By: Saleh Tousi
About the Author:
Like the original dial-up connections, DSL uses your phone line to connect. The difference is the speed- DSL is much faster than its predecessor. The typical download speed for consumer DSL ranges anywhere from 256 to 24,000 kbits/s. Speeds vary depending on many factors such as the DSL technology used, line conditions and the level of service the customer has paid for.
DSL is popular among consumers because of its low cost and its ability to use pre-existing phone lines without interruption of service or without having to install any expensive hardware. DSL works with your existing phone lines by using a high frequency, while the telephone line uses a low frequency. In this way both services are able to run on the same line simultaneously.
ADSL
ADSL (Asymmetric DSL) is the most popular consumer DSL. ADSL gets its name from the fact that its upload and download speeds are asymmetrical. That is to say that download speeds are generally much faster than upload speeds. It’s not random that it’s like this. Most consumers prefer to have faster download speeds because they tend to download much more than they upload. It makes sense for telcos to meet consumer demand by providing faster download speeds and dedicating more bandwidth to downloading than to uploading since most users don’t upload nearly as much as they download.
SDSL
SDSL (Symmetric DSL) is different from ADSL because instead of having different upload and download speeds, both speeds are the same- they are symmetric. It’s used mostly for small to medium sized-businesses, typically who host their own servers on-site. SDSL allows users to upload more information while still maintaining its speed. Because of the extra upload speeds, SDSL is more expensive than ADSL, making it impractical for the average consumer. On the other hand, businesses that need to upload lots of information will benefit from the faster speeds and the extra cost will be worth it.
VDSL or VHDSL
VDSL (Very High Bitrate DSL) is the highest speed DSL available on the market today. It works by using a single flat untwisted or twisted pair of copper wires. Because the speeds are so fast, VDSL is capable of supporting HDTV, VOIP and regular internet access over the same connection. The new generations of VDSL are so fast they’re able to support over 100 Mbits/s of both downloading and uploading. Because of its versatility telcos are able to offer bundled packages which include all the above services plus video-on-demand. Unfortunately, the cost of VDSL is currently too high for it to be practical for most people. However, in the future as prices drop, VDSL will be a viable option for most people.
By: Saleh Tousi
About the Author:
Saleh Tousi is the CEO of SmarttNet, a Vancouver IT company offering comprehensive business Internet services including business DSL since 1995.
0 Comments
19th November
2008
WIRELESS LAN’S
A Wireless LAN is a wireless local area network that connects two or more computers or devices without using wires. It is commonly called as WLAN.
It was developed by IEEE 802.11(Institute of electrical and electronic engineering). 802.11standards use the
Ethernet protocol and CSMA (carrier sense multiple access with collision avoidance) for path sharing.
WLAN devices allow users to move their laptops from one place to another place within their offices without the need for wires and without losing network connectivity.
WIRELESS LAN’S:
Wireless LAN’s allow greater flexibility and portability than the traditional wired LAN, that the wired LAN requires a wire to connect a user’s computer to a network
But the WLAN connects computer to a network using an access point devices. This access point communicates with devices equipped with wireless network adaptors and it connects to a wired Ethernet LAN. This access point
Devices have a coverage area up to 300 feet (approximately 100 meters).
WIRELESS LAN COMPONENTS:
A Wireless LAN comprises two types of equipments.
1. A wireless station
2. Access point
A wireless stations are equipped with wireless networks interface card (NIC).Access points are base station for the wireless networks, they transmit and receive radio frequency to communicate with wireless devices. Wireless clients can be mobile device such as laptops, personal digital assistants, I phones and fixed devices such as desktops and workstation that are equipped with the wireless network interface (NIC).
Nowadays WLAN are becoming popular in more wide range of business customers.
For example:
Hospitals, Universities, Hotels, retail shops are using this wireless technology to conduct their daily business operations.
BENEFITS:
Wireless LAN’s offer five primary benefits
USER MOBILITY:
Users can access files, network resources and internet without physically connected network to the wires.
RAPID INSTALLATION:
The installation time is very less because the network connection can be made without adding wires, or pulling it through walls or ceiling, or making modification to the infrastructure cable plant.
REDUCED COSTS:
The initial investment of wireless LAN is little higher than the wired LAN, but there is no need of installation charges and the wiring charges.
SCALABILITY:
WLAN network topologies can easily be configured to meet specific application and installation needs and to scale from small peer to peer network to very large enterprise network that enable roaming over a broad area.
FLEXIBILITY:
Users can quickly install a small WLAN for temporary needs such as a conference, tradeshow or in the meetings. It is flexible so we can take WLAN in our necessary locations.
So Wireless LAN’s is best to fit your computers or devices to communicate over a network.
By: ramya
About the Author:
A Wireless LAN is a wireless local area network that connects two or more computers or devices without using wires. It is commonly called as WLAN.
It was developed by IEEE 802.11(Institute of electrical and electronic engineering). 802.11standards use the
Ethernet protocol and CSMA (carrier sense multiple access with collision avoidance) for path sharing.
WLAN devices allow users to move their laptops from one place to another place within their offices without the need for wires and without losing network connectivity.
WIRELESS LAN’S:
Wireless LAN’s allow greater flexibility and portability than the traditional wired LAN, that the wired LAN requires a wire to connect a user’s computer to a network
But the WLAN connects computer to a network using an access point devices. This access point communicates with devices equipped with wireless network adaptors and it connects to a wired Ethernet LAN. This access point
Devices have a coverage area up to 300 feet (approximately 100 meters).
WIRELESS LAN COMPONENTS:
A Wireless LAN comprises two types of equipments.
1. A wireless station
2. Access point
A wireless stations are equipped with wireless networks interface card (NIC).Access points are base station for the wireless networks, they transmit and receive radio frequency to communicate with wireless devices. Wireless clients can be mobile device such as laptops, personal digital assistants, I phones and fixed devices such as desktops and workstation that are equipped with the wireless network interface (NIC).
Nowadays WLAN are becoming popular in more wide range of business customers.
For example:
Hospitals, Universities, Hotels, retail shops are using this wireless technology to conduct their daily business operations.
BENEFITS:
Wireless LAN’s offer five primary benefits
USER MOBILITY:
Users can access files, network resources and internet without physically connected network to the wires.
RAPID INSTALLATION:
The installation time is very less because the network connection can be made without adding wires, or pulling it through walls or ceiling, or making modification to the infrastructure cable plant.
REDUCED COSTS:
The initial investment of wireless LAN is little higher than the wired LAN, but there is no need of installation charges and the wiring charges.
SCALABILITY:
WLAN network topologies can easily be configured to meet specific application and installation needs and to scale from small peer to peer network to very large enterprise network that enable roaming over a broad area.
FLEXIBILITY:
Users can quickly install a small WLAN for temporary needs such as a conference, tradeshow or in the meetings. It is flexible so we can take WLAN in our necessary locations.
So Wireless LAN’s is best to fit your computers or devices to communicate over a network.
By: ramya
About the Author:
Iam doing my final year B.Sc Information technology in Subbalakshmi Lakshmipathy college of science.
11th November
2008
If you are among the millions of professionals around the work at home, either on a full-time or part-time basis - then it is a must for you to have a high-speed connection at home.
Fortunately, there are a lot of Internet connectivity options that you can take advantage of today. Previously, using dial-up modem to connect to the Internet did not have a lot to offer in terms of speed. Also, if you are already using the phone line to connect to the Internet, you will not be able to use your landline phone unless you have a dedicated line.
Now, as the demand for high-speed Internet connection has increased, more and more types of broadband Internet connection are being introduced to subscribers.
A Brief Definition of Broadband and Its Advantages
Before making the distinction between the different types of broadband, let us first take a look at what broadband is all about.
In layman’s term, broadband refers to any type of high-speed Internet connection which should be about 10 times faster than the traditional dial-up modem speed. One of the primary advantages of having broadband connection is that you are connected on a 24/7 basis - unlike with dial-up Internet connections.
Another benefit of choosing broadband over dial-up Internet access is that the former allows you to have an optimal browsing experience. From the loading of the pages, to sending instant messages to sharing, downloading or uploading of files - they will all be performed in a more efficient and speedy manner.
Now that you have an idea about broadband Internet connection, here is a quick list of the types of broadband connections that you can have:
- Cable
- Wireless
- Satellite
- Mobile
- ADSL or Asymmetric Digital Subscriber Line
- SDSL or Symmetric Digital Subscriber Line
- LLU or Local Loop Unbundling
Here, we will focus on two of the most common types of broadband Internet connection: wireless and broadband.
All about Wireless Broadband
This type of broadband Internet connection is used in rural areas in the UK where other forms of broadband connection are not available.
If you have a wireless broadband connection , a small antenna will be installed outside of your home. The Internet connection works in a way which is similar to how your television set receives signals from the TV station.
No telephone lines are required - and the broadband antenna is connected to your computer.
How about Mobile Broadband?
On the other hand, mobile broadband can be simply defined as Internet access on the go. Much like checking your e-mail using your mobile phone, mobile broadband allows you to connect to the Internet using your laptop computer.
As long as you have a laptop computer and a network-activated broadband dongle - you can get connected even while you are on the go.
Wireless Broadband and Mobile Broadband: Is One Better than the Other?
When you compare wireless with mobile broadband - you can never really say that one is better than the other in a general viewpoint.
Instead, what you need to do is look at your Internet connection needs. If you are the type who is always on the go and you cannot get through the day without checking on your e-mail messages, then a mobile broadband may be the best option for you.
On the other hand, if any other forms of broadband connection is simply not available in your area but you do need to have Internet access at home, then wireless broadband connection is the solution that you are looking for.
By: Caroline Telford
About the Author:
Fortunately, there are a lot of Internet connectivity options that you can take advantage of today. Previously, using dial-up modem to connect to the Internet did not have a lot to offer in terms of speed. Also, if you are already using the phone line to connect to the Internet, you will not be able to use your landline phone unless you have a dedicated line.
Now, as the demand for high-speed Internet connection has increased, more and more types of broadband Internet connection are being introduced to subscribers.
A Brief Definition of Broadband and Its Advantages
Before making the distinction between the different types of broadband, let us first take a look at what broadband is all about.
In layman’s term, broadband refers to any type of high-speed Internet connection which should be about 10 times faster than the traditional dial-up modem speed. One of the primary advantages of having broadband connection is that you are connected on a 24/7 basis - unlike with dial-up Internet connections.
Another benefit of choosing broadband over dial-up Internet access is that the former allows you to have an optimal browsing experience. From the loading of the pages, to sending instant messages to sharing, downloading or uploading of files - they will all be performed in a more efficient and speedy manner.
Now that you have an idea about broadband Internet connection, here is a quick list of the types of broadband connections that you can have:
- Cable
- Wireless
- Satellite
- Mobile
- ADSL or Asymmetric Digital Subscriber Line
- SDSL or Symmetric Digital Subscriber Line
- LLU or Local Loop Unbundling
Here, we will focus on two of the most common types of broadband Internet connection: wireless and broadband.
All about Wireless Broadband
This type of broadband Internet connection is used in rural areas in the UK where other forms of broadband connection are not available.
If you have a wireless broadband connection , a small antenna will be installed outside of your home. The Internet connection works in a way which is similar to how your television set receives signals from the TV station.
No telephone lines are required - and the broadband antenna is connected to your computer.
How about Mobile Broadband?
On the other hand, mobile broadband can be simply defined as Internet access on the go. Much like checking your e-mail using your mobile phone, mobile broadband allows you to connect to the Internet using your laptop computer.
As long as you have a laptop computer and a network-activated broadband dongle - you can get connected even while you are on the go.
Wireless Broadband and Mobile Broadband: Is One Better than the Other?
When you compare wireless with mobile broadband - you can never really say that one is better than the other in a general viewpoint.
Instead, what you need to do is look at your Internet connection needs. If you are the type who is always on the go and you cannot get through the day without checking on your e-mail messages, then a mobile broadband may be the best option for you.
On the other hand, if any other forms of broadband connection is simply not available in your area but you do need to have Internet access at home, then wireless broadband connection is the solution that you are looking for.
By: Caroline Telford
About the Author:
About the Author:
Are you having any trouble choosing between mobile broadband or wireless broadband deals in the UK? We compare all the different deals and sort them by the features you select as important to you.
9th November
2008
In recent years office printing has evolved, with many businesses opting to replace a number of their individual desktop printers with an all in one multifunctional device. This has partially been made possible by the introduction of WiFi technology into these devices. In many offices, especially when they are open-plan, space can be precious so finding a position for a large photocopier can be difficult. Now that office machines, such as photocopiers and multifunctional devices, are often capable of storing documents electronically, emailing and faxing it has become vital in most businesses for them to be connected to the office network.Without being WiFi capable these machines would have to be placed next to a network connection, which are usually found in the busiest part of the office. WiFi enabled devices can utilise any spare office space and can be placed in the most central position so that they are convenient for all users, making it far easier for businesses to consolidate their office machines.
Employees who spend time out of the office and store documents on laptops can find particular benefit in having WiFi enabled printing devices. When returning to the office and needing to print out any documents, a connection can be made from the laptop to the printing device without needing to find a printer cable or to transfer the documents over to a computer which is connected to the device. This method of printing can be far more convenient and less time consuming, which is especially useful for people who are only in the office for a short while.
With most offices already having wireless networks connecting their computers, it can be easy to incorporate a WiFi enabled printer or photocopier into this network. It is now possible to consolidate desktop printers into an all in one device, which can be placed in the most convenient place, without having to spend any money on cables to connect the device to all the computers. With more and more printers and photocopiers incorporating WiFi technology it could mean that they could be positioned anywhere and used by anyone who needs them, whether it be in offices or in public spaces.
By: Jennifer Chilton
About the Author:
Employees who spend time out of the office and store documents on laptops can find particular benefit in having WiFi enabled printing devices. When returning to the office and needing to print out any documents, a connection can be made from the laptop to the printing device without needing to find a printer cable or to transfer the documents over to a computer which is connected to the device. This method of printing can be far more convenient and less time consuming, which is especially useful for people who are only in the office for a short while.
With most offices already having wireless networks connecting their computers, it can be easy to incorporate a WiFi enabled printer or photocopier into this network. It is now possible to consolidate desktop printers into an all in one device, which can be placed in the most convenient place, without having to spend any money on cables to connect the device to all the computers. With more and more printers and photocopiers incorporating WiFi technology it could mean that they could be positioned anywhere and used by anyone who needs them, whether it be in offices or in public spaces.
By: Jennifer Chilton
About the Author:
For more information about photocopiers becoming WiFi enabled please click here. Canon Copiers can supply a range of photocopiers for any type of use.
7th November
2008
Wi-fi is a wireless data networking protocol, which allows for PCs and laptops to access the internet, within a given area or “hotspot”, via a high frequency wireless local area network (WLAN). The term Wi-Fi was coined by the Wireless Ethernet Compatibility Alliance (WECA) as another name for IEEE 802.11b networking standard. WECA is still involved in certifying new wireless modems in order to verify that they are fully compatible with the standard
By: Jeremy Maddock
About the Author:
By: Jeremy Maddock
About the Author:
3rd November
2008
Boudabang asked:
Trying to sell Broadband to a stoned lad.
3rd November
2008
Kris asked:
Hi. I have a broadband connection at my home computer but I bought a laptop which has an in-built adaptor to capture wireless signals if possible. But I go to the mountains often and I don’t have any connections there, whatsoever. So I was wondering if there is possibility to buy something or install something on my laptop so I can have internet there too. Thank you.
Hi. I have a broadband connection at my home computer but I bought a laptop which has an in-built adaptor to capture wireless signals if possible. But I go to the mountains often and I don’t have any connections there, whatsoever. So I was wondering if there is possibility to buy something or install something on my laptop so I can have internet there too. Thank you.
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