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Optical Router Architecture

Technology Benefits

Low packet loss Low end-to-end delay and jitter High scalability Eliminates Head-of-Line blocking effect without using internal switch fabric speed up

Technology Application

Interface local area networks (LAN) with the supernet Buffering queue implemented as optical random access memory Reduce packet loss in optical networks

Detailed Technology Description

Researchers at the University of California, Davis have developed an optical router architecture that takes advantage of two classes of all-optical variable queuing buffer components. This provides an optical router architecture with all-optical variable input-queuing or an output-queuing buffer that may boast the excellent scalability, provide versatile wavelength-aware queuing, buffering, arbitrating and load-balancing functions with the QoS/CoS (Quality of Service/Class of Service) capability for the optical packets in a wavelength-division multiplexing (WDM) communication network. Furthermore, the optical router architecture achieves low packet loss rate and eliminates the head-of-line blocking effect without introducing the internal switch fabric speed-up, which are critical technical difficulties while building a large traditional crossbar-based input/output-buffered electronic router.

Supplementary Information

Patent Number: US7313329B2
Application Number: US2004934668A
Inventor: Yoo, SungJoo Ben | Yang, Haijun
Priority Date: 4 Sep 2003
Priority Number: US7313329B2
Application Date: 2 Sep 2004
Publication Date: 25 Dec 2007
IPC Current: H04J001400 | H04J001402 | H04Q001100
US Class: 398058
Assignee Applicant: The Regents of the University of California
Title: All optical variable buffer queue useful in optical packet networks
Usefulness: All optical variable buffer queue useful in optical packet networks
Summary: Used in a wavelength-division multiplexing (WDM) communication network.
Novelty: Optical routing system for use in wavelength-division multiplexing communication network, has all-optical router for routing optical packets, and variable optical buffer queue for selectively buffering selected packets

Industry

Optics

Sub Category

Optical Fiber

Application No.

7313329

Others

Related Technologies

• All-Optical Regenerators
• Edge Router for Optical Label Switched Network

Additional Technologies by these Inventors

• All-Optical Regenerators
• Edge Router for Optical Label Switched Network
• Athermal Silicon Photonics With CMOS Compatibility
• Ultra-High Resolution Multi-Platform Heterodyne Optical Imaging
• Crystal Orientation Optimized Optical Frequency Shifter
• Energy-Efficient All-Optical Nanophotonic Computing
• Silicon Based Chirped Grating Emitter for Uniform Power Emission
• Compact Vertical Optical Emitter and Interlayer Coupling
• Optical Interposers for Embedded Photonics Integration

Tech ID/UC Case

11240/2003-458-0

Related Cases

2003-458-0

*Abstract

All-optical cariable buffer queuing.

*IP Issue Date

Dec 25, 2007

*Principal Investigator

Name: Haijun Yang

Department:

Name: S.J. Ben Yoo

Department:

Country/Region

USA