Cisco Systems is the worldwide leader in networking for the Internet. Cisco's Internet Protocol-based (IP) networking solutions are the foundation of the Internet and most corporate, education, and government networks around the world. Cisco provides the broadest line of solutions for transporting data, voice and video within buildings, across campuses, or around the world.As a leading manufacturer of network products, Cisco backs them with all the necessary hardware and software. Cisco provides common functionality, scalability, and security for its products. The company produces powerful memory upgrades to increase the productivity of your systems.