The Nokia Siemens Networks Quality of Service (QoS) differentiation solution operates in heavily loaded networks when requests to use the network exceed its capacity. It enables the prioritization of data traffic, according to subscription agreements, to divide the available resources fairly. Different priorities can be allocated to different user segments or applications and be applied dynamically depending on network load. Our QoS aware scheduler also allows QoS priorities to be changed even during a data session and can maintain a particular bit rate in simultaneous upload and download sessions.
“There are lots of QoS solutions, but most cannot co-operate with the radio interface in real time,” says Elisa’s Timo Sippola. The Finnish CSP found in field measurements that implementing QoS-aware scheduling yielded immediate benefits in the quality of experience for its customers during busy times.
To achieve the full benefits of QoS differentiation, CSPs need to know the network and understand their customer and network behavior. This data is the basis for devising business models, optimizing the network to avoid bottlenecks and enabling QoS differentiation based on subscriber or service differentiation.
Subscriber prioritization allows CSPs to provide appealing packages for different users’ profiles (budget and business). Applications can be prioritized according to their quality requirements, for instance to offer seamless streaming services.
To ensure fair use, a user’s or application’s priority can be decreased once the monthly quota has been exceeded, rather than throttling the traffic even when there is no congestion. Nokia Siemens Networks has an end-to-end QoS differentiation solution based on standards, making it open and highly compatible in a multi-vendor environment. To know more, do read our white paper on QoS.
This post is by Anna-Kaarina Pietila from our Networks Systems team.