With the growing focus on on-demand style services and flexible billing, Web hosting customers are coming to expect to pay for only the amount of service they need in every aspect of the delivery of their Web sites.

While many Internet services have evolved to adopt more pay-as-you-go models, the purchasing options offered by most of the content delivery market are still mostly limiting, says CDN operator Mirror Image Internet (mirror-image.com).

The company says it hopes to change this by paving a way for rollover pricing throughout the industry with the introduction of its TotalValuePlan.

The new rollover pricing system enables Mirror Image customers to roll over their unused contractual monthly services month-to-month, ensuring that they are able to actually use all the content delivery service they pay for.

"It just seems that after we started doing this, it seemed evident that thats what the industry needs," says John Rozen, chief operating officer at Mirror Image.

Mirror Image says its TotalValuePlan provides customers with a variety of benefits, including freedom from overage penalties or bursting fees, the ability to rollover unused dollars, and a "buy as you go" plan with flexible term length contracts.

CDN operators - including Mirror Image, before its new pricing was announced - typically charge a set monthly fee for a set amount of data transfer, usually charge overage or bursting fees and do not allow their customers to carry unused services from month to month.

Mirror Image says customer friendly products, services and pricing encourage customers to grow their businesses. The companys customers can carry over their unused content delivery services, which also frees them to try a different variety of services without worrying about cost or commitment.

"We applied this to any of our different formats because some customers felt that their previous vendors forced them to make one commitment for one type of format and another type of commitment for another delivery service," says Rozen. "They dont know from month to month exactly which way their business is going to go."

And with an existing clientele that stands to benefit from this new pricing strategy, including TV Guide, Forbes.com, Burton Snowboards, Fastclick, and Ad Council, to name a few, Mirror Image hopes that it will set a new precedent for the industry.

"I think this is what the industry is asking for, its certainly what the analysts weve talk to feel is a needed change," says Rozen. "Thats what were trying to accomplish: ge