Start-up eyes Microsoft's crown: "OpenDesign proposes to let developers 'publish' their applications through its system as a way to ease distribution problems, thereby taking advantage of scalability and load-balancing features, the lack of which company founders say hamstring today's Web applications....Cohen and others say Web applications will be able to take off once they have resolved underlying infrastructure issues, such as easing heavy traffic demands on one server by distributing traffic and tasks evenly among multiple Web servers--a technique known as load-balancing."