Offering vertical services to subscribers and service providers is an avenue to immediately improve the competitiveness of digital subscriber line access service, for example of the type offered by a local exchange carrier. To deliver high-quality vertical services, however, the underlying ADSL Data...http://www.google.de/patents/US20060098670?utm_source=gb-gplus-sharePatent US20060098670 - Congestion and thru-put visibility and isolation
