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How High-speed Dial-up Works
Name:Ryo Obata
No:s1150052
1.Introduction to How High-speed Dial-up Works
A Dial-up network is a circuit with a very slow speed with the
technology present now.
Therefore, it waits in the connect time of a network in many
cases.
But NetZero and EarthLink are going to make the dial-up
networking the high-speed circuit.
According to it, it is possible to make speed of dial-up networking
into about 5 times over the past.
In order that the usual dial-up networking may block a
telephone line while making the first connection, it becomes
impossible to use it, but this high-speed dial-up networking can
use a circuit also during connection after the first communication.
2. High-speed Dial-up: Acceleration Servers
In the case of transmission and reception of information, the
usual dial-up networking is searched from the data of a
connection person's protocol, a name, etc., and starts connection.
Although this procedure is simple, it will require time for
connection very much.
For that reason, when this procedure is simplified to some
extent, information is transmitted also from the server side and a
difference checks the compatibility of the information itself
mutually, simplification of connection can be measured and the
time to final connection can be shortened.
Although this time shortened changes with machines, it is
possible to be shortened from the usual minute half about to
about 1/3 speed.
Moreover, if connection is made to establish once, browsing of a
web page of the rest will be attained, without completing a
complicated procedure.
3.High-speed Dial-up: File Compression
An element important for high-speed dial-up networking is
compression of an information transmitting file.
When transmitting and receiving a file, before transmitting data
to the user who receives, the network side transmits by carrying
out lossy compression of the file.
Compression is canceled by the user side and the file to which it
was transmitted can check data anew.
Although data may be lost between the processes of the
compression, the loss of the data is trifling and is not a grade
which a user notices.
4. High-speed Dial-up: Filtering and Caching
In the case of the browser which carries out the direct entry of
the URL, high-speed dial-up networking issues a command so
that specific Paige may be demanded.
Under the present circumstances, since a circuit must be used
for that pop-up then an advertisement may come out in pop-up
and it meets, the speed of a circuit may fall temporarily.
In order to avoid it, the address which may place an
advertisement is looked for, and dial-up networking copes with it
so that the portion may not be read.
Moreover, about the cash advance of a browser, what was read
is always displayed about what was read once, and a high-speed
cash advance becomes possible by not making it update
intentionally.
5. High-speed Dial-up: The Bottom Line
An element of direct high speed dial-up networking helps with
the use sense of the user, and is smart; put it together. The
dial-up networking that was a fire lengthened the life and in this
way reclaimed the new way more for the future of the line. It will
become one step of progress to the person who is not yet ready to
carry out the reclamation of the broadband line.
If these still continue, dial-up networking in itself is thought to
still continue.
6.Lots More Information
Related HowStuffWorks Articles
• How Telephones Work
• How Modems Work
• How WiFi Works
• WiFi Quiz
• DSL Quiz
• How DSL Works
• How Cable Modems Work
• How Web Servers Work
• How Routers Work
• How Broadband over Powerlines Works
More Great Links
• High Speed Internet Access Guide
• Propel: How does it work?
• V.92 FAQ
• NetZero: FAQ
• PC World: Speed Up Your Dial-Up Connection - January 2003
Sources
• Propel: How does it work?
• V.92 FAQ
• Net Zero: FAQ
• PC World: Propel Accelerator v4.1
• Propel Accelerator Technical Overview
• Comparison of SlipStream Data's Compression and Other Approaches
• FCC: CDT Inquiry Concerning High-Speed Access to the Internet Over Cable
and Other Facilities

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SW2-homework10

  • 1. How High-speed Dial-up Works Name:Ryo Obata No:s1150052 1.Introduction to How High-speed Dial-up Works A Dial-up network is a circuit with a very slow speed with the technology present now. Therefore, it waits in the connect time of a network in many cases. But NetZero and EarthLink are going to make the dial-up networking the high-speed circuit. According to it, it is possible to make speed of dial-up networking into about 5 times over the past. In order that the usual dial-up networking may block a telephone line while making the first connection, it becomes impossible to use it, but this high-speed dial-up networking can use a circuit also during connection after the first communication.
  • 2. 2. High-speed Dial-up: Acceleration Servers In the case of transmission and reception of information, the usual dial-up networking is searched from the data of a connection person's protocol, a name, etc., and starts connection. Although this procedure is simple, it will require time for connection very much. For that reason, when this procedure is simplified to some extent, information is transmitted also from the server side and a difference checks the compatibility of the information itself mutually, simplification of connection can be measured and the time to final connection can be shortened. Although this time shortened changes with machines, it is possible to be shortened from the usual minute half about to about 1/3 speed. Moreover, if connection is made to establish once, browsing of a web page of the rest will be attained, without completing a complicated procedure.
  • 3. 3.High-speed Dial-up: File Compression An element important for high-speed dial-up networking is compression of an information transmitting file. When transmitting and receiving a file, before transmitting data to the user who receives, the network side transmits by carrying out lossy compression of the file. Compression is canceled by the user side and the file to which it was transmitted can check data anew. Although data may be lost between the processes of the compression, the loss of the data is trifling and is not a grade which a user notices.
  • 4. 4. High-speed Dial-up: Filtering and Caching In the case of the browser which carries out the direct entry of the URL, high-speed dial-up networking issues a command so that specific Paige may be demanded. Under the present circumstances, since a circuit must be used for that pop-up then an advertisement may come out in pop-up and it meets, the speed of a circuit may fall temporarily. In order to avoid it, the address which may place an advertisement is looked for, and dial-up networking copes with it so that the portion may not be read. Moreover, about the cash advance of a browser, what was read is always displayed about what was read once, and a high-speed cash advance becomes possible by not making it update intentionally.
  • 5. 5. High-speed Dial-up: The Bottom Line An element of direct high speed dial-up networking helps with the use sense of the user, and is smart; put it together. The dial-up networking that was a fire lengthened the life and in this way reclaimed the new way more for the future of the line. It will become one step of progress to the person who is not yet ready to carry out the reclamation of the broadband line. If these still continue, dial-up networking in itself is thought to still continue.
  • 6. 6.Lots More Information Related HowStuffWorks Articles • How Telephones Work • How Modems Work • How WiFi Works • WiFi Quiz • DSL Quiz • How DSL Works • How Cable Modems Work • How Web Servers Work • How Routers Work • How Broadband over Powerlines Works More Great Links • High Speed Internet Access Guide • Propel: How does it work? • V.92 FAQ • NetZero: FAQ • PC World: Speed Up Your Dial-Up Connection - January 2003 Sources • Propel: How does it work? • V.92 FAQ • Net Zero: FAQ • PC World: Propel Accelerator v4.1 • Propel Accelerator Technical Overview • Comparison of SlipStream Data's Compression and Other Approaches • FCC: CDT Inquiry Concerning High-Speed Access to the Internet Over Cable and Other Facilities