| POLATIS LIMITED Patent applications |
| Patent application number | Title | Published |
|---|
| 20100027989 | Network Protection Switching Mechanisms and Methods of Network Protection - A network protection switching mechanism comprises a plurality of optical switches located at a plurality of nodes; a plurality of optical communication paths between said switches; switch based fault detectors located as part of at least two switches which generate detection results representative of the identification of a fault; switch based controllers located as part of said at least two switches; and internal switch-communication means between said fault detectors and said controllers which facilitate the transmission of detection results from said fault detectors to said controllers; wherein said controllers directly cause switching to an alternative optical communication path dependent upon the receipt of said detection results; whereby autonomous switch based protection without dependence on either inter-switch control communication or higher level network control communication is achieved. | 02-04-2010 |
| 20080253715 | Optical Switch - An optical switch, comprises: a plurality of N input ports ( | 10-16-2008 |
