At Scandinavian telecommunications company Telia, a G6 mainframe with more 
than 1,500 virtual Linux servers will replace 70 existing Unix servers.

from http://www.ibm.com/news/2000/12/07.phtml

Telia consolidates IT on mainframe with Linux and Shark 

Telia -- Scandanavia's largest telecommunications and Internet service provider --
will be the first European company to deploy a major commercial information
technology system based on the Linux operating system.

Telia will install a combination of IBM mainframe and Shark storage technology,
both running on Linux, to host and run its business and consumer Internet
services operations across Scandanavia. Telia also will offer customers in the
Nordic countries Internet Protocol/Virtual Private Network services.

Telia will replace its 70 existing Web hosting Unix servers with a single IBM S/390
G6 enterprise server, which will host more than 1500 virtual Internet Linux servers
simultaneously. Each virtual server acts as a Web server for individual
Telia-hosted business customers.

Telia will move data from its current storage servers to a 11.4 Terabyte IBM
Enterprise Storage Server (Shark).

"This new S/390 running Linux allows us to rethink our total pricing structure for
Internet services and to offer customers a more affordable Web application
service than ever before," said Henrik Wulff Riedl, Telia's chief financial officer.
Telia intends to replace an existing customer billing system for Internet service
providers based on Oracle databases, he said.

"The combination of the IBM mainframe with Linux makes it easy to install new
servers for Internet service customers on the fly," Riedl said. "Before, it took us 5
hours to set up a new server. Now, it is a matter of less than five minutes." With
Shark's storage capacity, "we now are able to give virtually unlimited Web
capacity to our customers without going through the trouble of installing and
reconfiguring the systems all the time," he said.

The virtual Internet servers will be managed by Telia's business customers
independently as if they were using their own separate physical machines. At
Telia, one single person will be able to manage all the independent virtual Web
servers via a single graphical management system.

The IBM S/390 is able to host up to 30,000 virtual Linux servers at the same time
using IBM's Virtual Machine operating system to host servers virtually and
independently.