Communication process and switching element for carrying out this process
US5210742A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1990 |
| Grant date | May 11, 1993 |
| Priority date | — |
| Expiry date | Oct 31, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L49/254
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Communication system and switching element used therein. To detect and remove partly established paths, a path release explorer packet is periodically transmitted from an outside node on established paths and each time it arrives in a node a check is made whether this node is a dead end for all directions. In the affirmative a path release packet is transmitted to a preceding node to possibly release the path to the dead end node. The switching element used in each node includes a first switching bus (TB, TM) to interconnect input ports (RX1/8) to output ports (TX1/8). One of these output ports (TX9) is connected to a second switching bus (SB) which has access to all input ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.