How High-speed Dial-
     up Works


   S1170047 Takahide Ishii
Outline of How High-speed Dial
           -up Works
 ●   Introduction to How High-speed Dial-up Wor
     ks
 ●   High-spee...
What's High-speed Dial-up Wor
             ks?
●   A typical of the High-speed Dial-up services a
    re NetZero and Earth...
Acceleration Servers

●   High-speed dial-up providers have cut down
    on this back-and-forth by creating a system th
  ...
File Compression
●   The key element of high-speed dial-up Intern
    et is file compression.
●   There are two types of f...
Filtering and Caching
●   high-speed dial-up providers have bundled a
    pop-up blocker into the software they send t
   ...
The Bottom Line
●    High-speed Dial-up services would seem that
    a clever combination of fairly straightforward
    te...
Upcoming SlideShare
Loading in …5
×

How High Speed Dial Up Works

190 views
171 views

Published on

Published in: Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
190
On SlideShare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
2
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

How High Speed Dial Up Works

  1. 1. How High-speed Dial- up Works S1170047 Takahide Ishii
  2. 2. Outline of How High-speed Dial -up Works ● Introduction to How High-speed Dial-up Wor ks ● High-speed Dial-up: Acceleration Servers ● High-speed Dial-up: File Compression ● High-speed Dial-up: Filtering and Caching ● High-speed Dial-up: The Bottom Line
  3. 3. What's High-speed Dial-up Wor ks? ● A typical of the High-speed Dial-up services a re NetZero and EarthLink. ● These services called “high-speed dial-up”. ● These services connection speeds are five tim es faster than traditional dial-up service.
  4. 4. Acceleration Servers ● High-speed dial-up providers have cut down on this back-and-forth by creating a system th at allows the conversing machines. ● This server take 45 seconds with a "normal" d ial-up service becomes maybe a 30-second pr ocess with a high-speed service.
  5. 5. File Compression ● The key element of high-speed dial-up Intern et is file compression. ● There are two types of file compression: lossy and lossless. ● Text and other files that need to remain perfe ctly intact during the compression process us e lossless compression.
  6. 6. Filtering and Caching ● high-speed dial-up providers have bundled a pop-up blocker into the software they send t o subscribers ● This pop-up blocker is programmed to recog nize those lines of code that spell out the ad parameters ● When it sees those tell-tale lines of code, it re jects the ad's request to be displayed.
  7. 7. The Bottom Line ● High-speed Dial-up services would seem that a clever combination of fairly straightforward technologies has helped to overcome some o f the speed bumps of dial-up Internet. ● These advances serve to prolong the life of di al-up Internet and provide an alternative for t hose who are tired of standard dial-up but no t quite ready for the leap to broadband.

×