Patents
- 4,625,306
- Data signal switching systems.
Filed: Nov. 30, 1984. Issued: Nov. 25, 1986.
Also GB 2,151,880 B issued: Dec. 16, 1983 (UK).
- 4,965,788
- Self-routing switch element for an asynchronous time switch.
Filed: Oct. 14, 1988. Issued: Oct. 23, 1990.
Also GB 2,211,697 B issued: Jan. 2, 1992 (UK).
- GB 2,238,934 B
- Copy fabric for a multicast fast packet switch.
Filed: Dec. 6, 1989. Issued: Dec. 22, 1993 (UK).
- 5,222,085
- Self-routing switching element and fast packet switch.
- Filed: Oct. 22, 1990, Issued: Jun. 22, 1993.
- 5,367,518
- Self-routing switching element and fast packet switch.
Filed: Aug. 14, 1992. Issued: Nov. 22, 1994.
- 5,396,491
- Self-routing switching element and fast packet switch.
Filed: Oct. 14, 1992. Issued: Mar. 7 , 1995.
- 5,245,603
- High-speed determining unit for prioritizing and arbitrating among competing input
signals.
Filed: Jun. 10, 1991. Issued: Sep. 14, 1993.
- 5,379,297
- Concurrent multi-channel segmentation and reassembly processors for asynchronous
transfer mode.
Filed: Apr. 9, 1992. Issued: Jan. 3 , 1995.
- 5,444,702
- Virtual network using asynchronous transfer mode.
Filed: Sep. 14, 1992. Issued: Aug. 22, 1995.
- 5,457,687
- Method and apparatus for backward explicit congestion notification (BECN) in an ATM
network.
Filed: Sep. 2, 1993. Issued: Oct. 10, 1995.
- 5,633,869
- Virtual network using asynchronous transfer mode.
Filed: May 25, 1995. Issued: May 27, 1997.
- 5,852,601
- Method and apparatus for reactive congestion control in an asynchronous transfer mode
(ATM) network.
Filed: Jun. 9, 1997. Issued: Dec. 22, 1998.
- 5,892,924
- Method and apparatus for dynamically shifting between routing and switching packets in a
transmission network.
Filed: Jan. 31, 1996. Issued: Apr. 6, 1999.
- 5,920,705
- Method and apparatus for dynamically shifting between routing and switching packets in a
transmission network.
Filed: Jan. 30, 1997. Issued: Jly. 6, 1999.
- 6,948,003
- Enabling a service provider to provide intranet services.
Filed: Mar. 15, 2000. Issued: Sep. 20, 2005.
- 7,773,519
- Method and system to manage network traffic congestion.
Filed: Jan. 10, 2008. Issued: Aug. 10, 2010.
- 8,325,602
- Method and system to manage network traffic congestion in networks with link layer flow control.
Filed: Dec. 17, 2009. Issued: Dec. 4, 2012.
- 8,477,615
- Method and system to manage network traffic congestion.
Filed: Aug. 5, 2010. Issued: Jly. 2, 2013.
- 9,100,313
- Shared egress buffer in a multi-stage switch.
Filed: Dec. 10, 2012. Issued: Aug. 4, 2015.
- 9,106,574
- Supporting quality of service differentiation using a single shared buffer.
Filed: Dec. 27, 2012. Issued: Aug. 11, 2015.
- 9,705,808
- Flow aware buffer management for data center switches.
Filed: Mar. 21, 2014. Issued: Jly. 11, 2017.
- 9,866,401
- Dynamic protection of shared memory and packet descriptors used by output queues in a network device.
Filed: May 13, 2015. Issued: Jan. 9, 2018.
- 10,305,819
- Dynamic protection of shared memory used by output queues in a network device.
Filed: May. 13, 2015. Issued: May. 28, 2019.
- 10,439,952
- Providing source fairness on congested queues using random noise.
Filed: Jly. 7, 2016. Issued: Oct. 8, 2019.
- 11,212,227
- Rate-optimized congestion management.
Filed: May. 17, 2019. Issued: Dec. 28, 2021.