Integrated data packet network using a common time reference
US6272131A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 22, 1998 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Jul 22, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/28
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention describes a method for transmitting and forwarding packets from source nodes with variable bit rates (VBR) and how it can be integrated with other types of traffic, over a packet switching network. The sources can generate traffic with predefined average and peak rates. Packets enter the network in predefined time interval and are forwarded over each link inside the network within a periodic time interval if there is sufficient capacity. When arriving packets exceed predefined average capacity, packets are rescheduled for alternative time intervals or discarded. This invention facilitates congestion-free forwarding from one input port to multiple output ports, and consequently, from one source to multiplicity of destinations for packets within the predefined average rate. Such packets that are destined to multiple destinations reach all of their destinations in redefined time intervals and with delay jitter that is no larger than one time interval. All other packets are provided with statistical guarantees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.