Juniper Networks, Inc.is an information technology and computer networking products multinational company, founded in 1996. It is headquartered in Sunnyvale, California, USA. The company designs and sells Internet Protocol network products and services. Juniper’s products include T-series, M-series, E-series, MX-series, and J-series families of routers, EX-series Ethernet switches, WX-series WAN optimization devices, and SRC Session and Resource Control appliances. JUNOS , Juniper’s network operating system runs on most of the Juniper products. In 2009, Juniper made debut on Fortune Magazine’s 100 Best Companies to Work for.[1] Juniper ranked 4 in Fortune Magazine’s World’s Most Admired Companies list in Networking Communications category in 2009.[2] The Juniper products are widely used in the large networks around the world and is a leader in high-performance networking.
Type Public (NASDAQ: JNPR)
Founded February 6, 1996
Headquarters Sunnyvale, California, USA
Area served Worldwide
Key people Kevin Johnson, CEO
Pradeep Sindhu, CTO,
Scott Kriens, Chairman
Industry Networking hardware
Products Routers, switches, Firewalls, Intrusion detection systems, VPN hardware
Revenue ▲ USD 3.57 billion (2008) (up 26% from 2007)
Net income ▲ USD 650.8 million (2008)
Employees 7000+ (2009) in 47 countries
Website www.juniper.net
Products
Network Operating Systems
JUNOS is the Operating System that runs on most of Juniper’s networking equipment.[42]It is Juniper’s single network operating system spanning routing, switching and security platforms on its router products. The corporate strategy of Juniper is to offer a single Operating System across its routing and switching equipments. The single operating system of Juniper makes it easier for both Juniper and users, and helps to differentiate Juniper from its competitors in the networking gear space that often has multiple network operating systems. The novel concept of the Partner Solution Development Platform (PSDP) opens up the development of new features and applications of JUNOS software to their customers and partners [43] [44]. JUNOS operating system is primarily based on FreeBSD [45], the advantage of which is the Unix-like environment: customers can access a Unix shell and execute normal Unix commands. JUNOS is platform independent within Juniper hardware systems [46]. After Juniper acquired NetScreen, it also integrated NetScreenOS security functions into its own JUNOS network operating system so that now Juniper offers routing and security functions in a single device . The biggest competitor of JUNOS is Cisco Systems’s IOS [48].
Router products
M40 of M-series was the first product by Juniper Networks, which was released in 1998.[49]The M40 was the first of its kind capable of scaling to meet the internet standards ,which can move 40 million packets per second with a throughput rate in excess of 40 gigabits per second.[50] With the initial offering of m40, Juniper came up with the Internet Processor I. The proprietary ASIC was the fundamental core of Juniper’s Packet Forwarding Engine (PFE). The PFE consisted of a shared memory, a single forwarding table, and a one-write, one-read architecture.The entire PFE was capable of forwarding at 40 Mpps, a capacity more than 100 times faster than that of any other available router architectures at that time.The M40 is one of the first routers on this scale, about 10 times faster than Cisco’s 12000.
E-series routers are broadband edge routers. The E series was developed by Unisphere, which Juniper acquired in 2002.
The E series routers run the JUNOSe operating system.
J-Series routers are small customer-premises equipment or enterprise routers.
SRX-Series are high performance (over 100 gigabit throughput) stateful firewalls with routing.
M-series routers are multiservice edge routers.
T-series routers are large core routers.
MX-series routers are Ethernet services routers.
The J, M, T, and MX series routers run the FreeBSD-derived Juniper operating system JUNOS.
While the E, M, and T series are all high speed ASIC based devices capable of terminating multiple broadband optical connections, the J series is much lower in speed. Capable of terminating DS3 (45 Mbit/s) and slower lines, the J-series product line is aimed at corporate branch offices and service provider premise equipment. In the fall of 2006, the J series got a refresh of the modular products offering significantly increased performance to meet updated WAN technologies requirements. In the same announcement Juniper shared that it would co-operate with Avaya to integrate Avaya IP Telephony in the J series of routers.
Other products
EX Series Switches [1] – Juniper’s switch line-up was introduced in 2008 and runs JUNOS. Available in stacking and non-stacking 1U format with full and partial PoE functionality, and from 2009 also available in chassis format.
SRX Series Dynamic Service Gateways [2]. A series of devices running JUNOS with enhanced services, this series also include the SRX 5800, the world’s fastest firewall. Combines Security (S) Routing (R) and Switching (X) in one chassis.
NetScreen (discontinued) and SSG Series firewalls – The SSG Series runs the ScreenOS operating system and provide firewall, anti-virus, intrusion protection and VPN services. Added to the product lineup after purchase of the NetScreen Technologies company, they do not run the JUNOS that the higher-end products do. Instead they run ScreenOS which provides a sophisticated mid-tier level of service. While capable of complex configurations, these are targeted mostly to small and medium sized business.
Secure Access SSL VPN gateways — Secure Access products provide SSL based VPN services to remote users without specialized clients.
NSM Network and Security Manager (formerly Netscreen Security Manager, renamed Aug. 2008) – This is an enterprise-wide management tool for Juniper devices which allows for a single-point bastion control over multiple Juniper devices as well as serving as a syslog host & configuration backup repository, as well as the NSMXpress appliance that furthermore provides distributed hierarchical features.
IDP Intrusion detection and prevention appliances - 
WX and WXC — series WAN Accelerators -
UAC Unified Access Control -
Steel Belted Radius – Including HA AAA solution, IMS Server, SIM/SS7 Server
Odyssey Access Client – 802.1x supplicant
Security Threat Response Manager (STRM)- Juniper sell STRM as an OEM version of Q1 Labs’ QRadar product running on Juniper hardware.

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