As of December 7, 2006, Greenfield Networks, Inc. is acquired by Cisco Systems, Inc. Greenfield Networks, Inc. provides Ethernet switch silicon technology solutions for enterprise and metro applications primarily in India and internationally. The company offers a series of packet processors; G135 Intelligent Mux, which is a 12-port gigabit Ethernet (GE) intelligent multiplexer for GE linecards for enterprise and metro edge chassis systems; and G900 switch fabric that delivers wirespeed switching performance for its 10 Gbps fabric ports. It also provides G750, a single-chip 32G/48Mpps shared memory switch fabric/traffic manager that enables buffering and queueing functions, including fair queuing, scheduling, traffic shaping, congestion control, multicast, and resource management; G525, which is a packet processing engine for 16GE ports; and G120, a multiplexer device used to develop gigabit Ethernet linecards for edge chassis systems. Greenfield Networks provides system level solutions for system developers, including reference design systems, production ready application program interface software, and integrated 3rd party control plane software. The company was founded in 2000 and is headquartered in Sunnyvale, California.