Multimedia QoS in low-cost home networks


Scholten, H. and Jansen, P. and Hanssen, F. and Hartel, P. and Hattink, T. and Sundramoorthy, V. (2002) Multimedia QoS in low-cost home networks. In: 27th Annual IEEE Conference on Local Computer Networks, LCN 2002, 6-8 November 2002, Tampa, FL, USA (pp. pp. 327-328).

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Abstract:This paper describes a new mechanism to guarantee quality of service for multimedia streams in low-cost home networks. Quality of service is based on a token, of which the route in the network is determined by a distributed scheduler. The network node that has the token -- the active node -- can send its data during a predetermined period. The length of this period and which node gets the token next is calculated by the scheduler in the active node. Every node has a scheduler on-board and schedules streams according to stream information from other nodes -- contained in the token -- and its own streams. Although other types of scheduler could be used, the token scheduler deploys a pre-emptive earliest deadline first strategy. This guarantees a theoretical maximum bandwidth utilization of 100 percent. The network is simulated and a prototype is built, based on low cost Ethernet hardware. Results show a high throughput with a small overhead of less than one percent per stream.
Item Type:Conference or Workshop Item
Copyright:© 2002 IEEE
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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