Resources Contact Us Home
Network with a fast-switching optical core

Image Number 18 for United States Patent #8050257.

A high capacity network comprises a plurality of edge nodes with asymmetrical connections to a plurality of switch planes, each switch plane comprising fully meshed fast-switching optical switch units. Upstream wavelength channels from each source edge node connect to different switch planes in a manner which ensures that upstream wavelength channels from any two edge nodes connect to a common switch unit in at most a predefined number, preferably one, of switch planes. Thus, switch units in different switch planes connect to upstream channels from orthogonal subsets of source edge nodes. In contrast, downstream wavelength channels from a switch unit in each switch plane connect to one set of sink edge nodes. In an alternate arrangement, the upstream and downstream asymmetry may be reversed.

  Recently Added Patents
Digital camera dock having movable guide pins
Mobile communication device and method for providing positioning information
Computing device with improved user interface for applications
Passive charge cord release system for an electric vehicle
Lighting elements
Wire guide
Detection of code-based malware
  Randomly Featured Patents
Method and apparatus for reel building and roll runnability in moving web manufacturing
Telephone line protection device
Low mechanical stress, high electrical and thermal conductance semiconductor die mount
Biomedical sensors usable on un-prepared contact surfaces
Multi-axis, large tilt angle, wafer level micromirror array for large scale beam steering applications
Process for the preparation of alkyl 3-oxo-2-pentyl-1-cyclopenteneacetates
Device for telecontrolling a function of drives
Device and process for removing free hemoglobin from blood
Reversible orthosis
Compositions for treatment of hyperlipidemia and angina pectoris