Signal relay apparatus, node apparatus, network system, virtual-link generating method, path calculating method, and computer product
US8520685B2 · kind B2 · utility
4Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2007 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | Jun 6, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0284
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A ROADM device generates link information including a virtual link in which a first link that is used by a node apparatus for transmitting a signal and a second link of a ROADM device that is capable of branching a signal transmitted via the first link when the signal is transmitted via a WDM network are virtually connected each other, and transmits the generated link information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.