It is not hard to use internet in Vientiane but its service and price are in bad condition. These are how to use internet so please check it through.
It is very easy to find internet cafe and have large practice in Vientiane because there are internet cafe all over the place in Vientiane. But they are very slow because they apply just one ADSL and separate line from it instead using private line.
2. Telephone modem
There is no more telephone modem in Korea but you can use it in Laos. It will be okay to use if you really need to use internet but it is incongruent when you need fast speed internet and have to use for a long time. Its speed is about 556Kbps but its actual speed is about half of it. Price under is based on Lao Telecom.
160,000 kip/month one year/prepaid, 180,000 kip/month six month/prepaid, 200,000 kip/month monthly payment.
You need to apply to Lao telecom and give your personal information to use ADSL. You can choose the payment and internet speed. Technician will visit you house in couple of days after you apply for ADSL. You can't install Korean window to their free modem and it only has one port so it will be better to buy another ADSL modem. You can also use wireless LAN and it will be more convenience. Most of wire/wireless modems are about 2,500 baht. The price under is based on Lao telecom.
300,000 kip/month 1 year/prepaid, 400,000 kip/month 6month/prepaid, 450,000 kip/month monthly payment
500,000 kip/month 1 year/prepaid, 650,000 kip/month 6 month/prepaid, 750,000 kip/month monthly payment
1,200,000 kip/month 1 year/prepaid, 1,350,000 kip/month 6 month/prepaid, 1,500,000 kip/month monthly payment
4. Other internet companies
There is internet company name ETL and it has very high price. It costs 1,335,000 kip for monthly payment to use 128Kbps. There is also another company name Lanexang Internet and it also has high price which it costs 200 USD to use 128Kbps. This price is for company use only and I don't know how much it costs for personal user. There is another one name Planet Online and they only have wireless service. I don't recommend them because their price is very high and they have bad service. Their price is similar to Lanexang Internet. Lao telecom is the best of them all but their quality will not be up to your expectation so you got to keep that in your mind.