Juniper Networks, Inc. is an American multinational corporation headquartered in Sunnyvale, California. The company develops and markets networking products, including routers, switches, network management software, network security products, and software-defined networking technology.
Juniper Networks designs and markets IT networking products, such as routers, switches and IT security products. It started out selling core routers for ISPs, and expanded into edge routers, data centers, wireless networking, networking for branch offices and other access and aggregation devices.
Juniper is the third largest market-share holder overall for routers and switches used by ISPs. According to analyst firm Dell'Oro Group, it is the fourth largest for edge routers and second for core routers with 25% of the core market. It is also the second largest market share holder for firewall products with a 24.8% share of the firewall market. In data center security appliances, Juniper is the second-place market-share holder behind Cisco. In WLAN, where Juniper used to hold a more marginal market share, it is now expanding through its acquisition of Mist Systems, now a visionary in WLAN according to Gartner. Juniper provides technical support and services through the J-Care program.