How Download Managers accelerate Downloads ?

Ever used a download manager for speeding up downloads?? Most probably these are the top managers used widely-

1) Internet Download Manager( IDM )
2) Download Accelerator Plus (DAP)
3) Free download manager
4) Orbit Downloader
5) Flashget downloader
6) Limewire Downloader

Well as they say, download mangers in reality dont exaclty accelerate your downloads.. But actually perform the following tasks to optimize your connection-

-> Dynamic segmentation of file download
-> Bandwidth optimization
-> Provide additional resume capability
-> Use your tcp protocols efficiently

Whenever we download files, by default windows downloads it from beginning and in event of crash or powerloss its lost...

#Dynamic Segmentation provides breakup of a download file to breakup the files in real time thus downloading it in parts for efficiency..

#Bandwidth of your connection is optimized for judicious allocation. for example if your download speed it 200kbps, you can assign 150kbps for downoading content and 50kbps for browsing speed thus enhancing the dual capability of browsing+downloading not efficient usally in default

#Resume capabiltiy helps us resume broken downloads and files from the last point,due to the fact framented files are stored in a special #temp area, we can relink and refresh the download addresses to resume our downloads instead of starting from the beginning.

Thus we can see how download managers help us in efficiently using the network bandwidth to its optimum... It in reality cant increase the speed offered by your ISP plan, but makes sure you get the level best out of it