Edward E. Sprague

Optical layer status exchange over OSC-OAM method for ROADM networks

Method and apparatus for mapping traffic using virtual concatenation

Methods and apparatus for minimizing wander generation in constant bit rate asynchronously mapped digital transport systems

Method and apparatus for determining propagation delay in a network

Temporal alignment of data unit groups in a switch

Communication system

Interleaved correction code transmission

Fast protection path activation using control plane messages

Providing access to client overhead while transparently transmitting the client signal

Protection switch decision architecture

Dual asynchronous mapping of client signals of arbitrary rate

Communication network with node bypassed co-routed multi-channel traffic

Programmable time division multiplexed switching

Communication network with co-routed multi-channel traffic

Communication network with skew path monitoring and adjustment

Communication network with skew determination

Communication network with skew compensation

Optical transmission network with asynchronous mapping and demapping and digital wrapper frame for the same

Optical transmission network with asynchronous mapping and demapping and digital wrapper frame for the same

Optical transmission network with asynchronous mapping and demapping and digital wrapper frame for the same

Application of hardware-based mailboxes in network transceivers and distributed approach for predictable software-based protection switching

Modular adaptation and configuration of a network node architecture

Automated optical link power control

Universal digital framer architecture for transport of client signals of any client payload and format type