yo giyz ADSL is allways shared bandwidth..if u need dedicated band width you hav to move Leased lines....
but compare the cost for leased lined with your ADSl cost...
so even it 50 or 55 KBps its worth and excellent according to Sri Lanka's infrastructure...
http://www.sltnet.lk/dedicatedaccess.html
http://www.sltnet.lk/tariff.html
Leased Circuit
Bandwidth Pricing Category
(Monthly Rental in Rs.) Commercial
(Monthly Rental in Rs.)
Dedicated Access (Leased Lines)
Non Commercial Commercial
64k bps 20,000 75,000
128 kpps 40,000 140,000
192 kbps 60,000 215,000
256 kbps 80,000 280,000
384 kbps 1,20,000 430,000
512 kbps 160,000 580,000
1 Mbps - -
2 Mbps - -
* Contact Us for more tariff