Company:Citrix ADC

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Short description: Line of networking products
Citrix ADC
IndustryNetworking
FoundedSanta Clara, California (1997)
HeadquartersSan Jose, California , United States
Key people
Michel K. Susai, Founder & Former CEO David Henshall CEO 2017 - 2021 Bob Calderoni Interim President & CEO 2021 -
Websitewww.citrix.com

Citrix ADC is a line of networking products owned by Citrix Systems. The products consist of Citrix ADC, an application delivery controller (ADC), NetScaler AppFirewall, an application firewall, NetScaler Unified Gateway, NetScaler Management & Analytics System, and NetScaler SD-WAN, which provides software-defined wide-area networking management. NetScaler was initially developed in 1997 by Michel K Susai[1][2] and acquired by Citrix in 2005. Citrix consolidated all of its networking products under the NetScaler brand in 2016. [1]

Overview

The NetScaler line of products are part of Citrix Systems' networking business.[3] It includes NetScaler ADCs, NetScaler Unified Gateway, NetScaler AppFirewall, NetScaler SD-WAN, and NetScaler Management & Analytics System.[4][3] The products can work in conjunction with other Citrix offerings, including its Xen line of products.[3]

NetScaler is integrated with OpenStack as part of Citrix Systems' sponsorship of the Openstack Foundation.[5]

Products

Citrix ADC is Citrix Systems' core networking product.[6] It is an application delivery controller (ADC),[6] a tool that improves the delivery speed and quality of applications to an end user.[7] The product is aimed at business customers and it performs tasks such as traffic optimization, L4-L7 load balancing,[8] and web app acceleration[7][9] while maintaining data security.[10]

Citrix ADC monitors server health and allocates network and application traffic to additional servers for efficient use of resources.[11][8] It also performs several kinds of caching and compression.[12] It can be made a server proxy, process SSL requests, and offers VPN and micro-app VPN operations. It also includes NetScaler application firewall and SSL encryption capabilities.[12][11] NetScaler ADC can manage traffic during DDoS attacks, making sure traffic gets to critical applications.[10] Additionally, Netscaler's logs of network activity feed into Citrix's cloud-based analytics service and are used to analyze and identify security risks.[13]

There are four versions of Citrix ADC:[6] NetScaler MPX, a hardware-based appliance for use in data centers;[6] NetScaler SDX, a hardware-based appliance intended for service providers that provides virtualization delivering multitenancy for virtual and cloud-based data centers;[12][14] NetScaler VPX, a software-based application that is implemented as a virtual machine and intended for small business use;[15] and NetScaler CPX, a NetScaler ADC packaged in a container and designed for cloud and microservices applications.[6]

In addition, the NetScaler line of products include Citrix SD-WAN, formerly CloudBridge SD-WAN, which provides software-defined wide-area networking and branch networking.[4] NetScaler Unified Gateway offers secure remote access of virtual desktops and a variety applications from a single point of entry and with single sign-on (SSO).[4][16][17]

The NetScaler Management and Analytics System is a platform designed for the organization and automation of policy management across devices and applications.[18] The tool is intended for IT professionals to manage the various NetScaler products from a single dashboard.[4] The platform also provides real-time analytics.[18]

History

Entrepreneur Michel K. Susai founded NetScaler in 1997 in San Jose, California.[2] He created NetScaler as a solution for reducing infrastructure during the growth of the Internet in the late 1990s.[19] The company repositioned NetScaler as a security and optimization tool in 2001. [19] [2]

By 2005, NetScaler estimated 75 percent of Internet users used its systems through clients including Google and Amazon.[9] Citrix acquired NetScaler in 2005 for approximately $300 million in cash and stock.[9]

Citrix released NetScaler MPX, a faster and more power efficient NetScaler ADC model, in 2008.[20] It introduced the VPX edition the following year.[15] In 2011, Citrix launched NetScaler SDX.[12]

In 2016, Citrix transitioned all of its delivery products under the NetScaler brand. Citrix CloudBridge SD-WAN became NetScaler SD-WAN. The company also introduced “NetScaler Management and Analytics System”, a console for users to manage all NetScaler products, including the ADCs and SD-WAN,[4] and a containerized version of NetScaler called NetScaler CPX.[18] Citrix released a free developer version of NetScaler CPX called NetScaler CPX Express in August 2016.[21]

Reception

Reviewing NetScaler ADC in 2007, InfoWorld gave it a score of 8.6 out of 10. The reviewer noted that it was easy to set up and administer, and provided performance improvements in load balancing and Web application speed. However, there were variable results with features such as TCP session buffering and TCP session consolidation, as these would depend on other factors. As well, InfoWorld said that NetScaler is best suited for "organizations making corporate applications available over the Web for internal or external customers" and "large, heavily trafficked Web sites" but was more costly than other available solutions for a "small, three-node Web farm that will be lightly loaded".[22]

GCN wrote in 2011 that NetScaler is "much more than a load balancer; it’s really an all-in-one Web application delivery system".[11] The site gave NetScaler an A+ rating for features, B− for ease of use, A+ for performance and a C for value. The same article noted that it was difficult to learn and expensive.[11]

(As of December 2016), annual net revenue from sales of NetScaler products and services was US$782,875,000.[23]

References

  1. ↑ 1.0 1.1 Justia (September 29, 2015). "Netscaler Founder Michel K Susai". Justia. https://patents.justia.com/inventor/michel-k-susai/. 
  2. ↑ 2.0 2.1 2.2 Robin Joseph (March 4, 2010). "Netscaler Founder Michel K Susai". [[]]. https://www.siliconindia.com/magazine_articles/NetScaler_Founder_Michel_Susais_NeoAccel-HEZ425961136.html/. 
  3. ↑ 3.0 3.1 3.2 John Dix (18 April 2016). "Introducing the new Citrix". Network World. http://www.networkworld.com/article/3058015/virtualization/introducing-the-new-citrix.html. 
  4. ↑ 4.0 4.1 4.2 4.3 4.4 Simon Sharwood (May 25, 2016). "Citrix dodges death, returns with bigger XenServer and NetScaler". The Register. https://www.theregister.co.uk/2016/05/25/citrix_dodges_death_returns_with_bigger_xenserver_and_netscaler/. 
  5. ↑ Chris Merriman (April 22, 2015). "Citrix joins OpenStack, aims at interoperability in the cloud". The Inquirer. http://www.theinquirer.net/inquirer/news/2405182/citrix-joins-openstack-aims-at-interoperability-in-the-cloud. 
  6. ↑ 6.0 6.1 6.2 6.3 6.4 Michael Otey (August 2016). "Citrix's new NetScaler CPX brings container technologies to developers". TechTarget. http://searchcloudapplications.techtarget.com/feature/Citrixs-new-NetScaler-CPX-brings-container-technologies-to-developers. 
  7. ↑ 7.0 7.1 Mikael Ricknäs (August 27, 2013). "Citrix integrates Netscaler with VMware's network virtualization platform". PC World. http://www.pcworld.com/article/2047529/citrix-integrates-netscaler-with-vmwares-network-virtualization-platform.html. 
  8. ↑ 8.0 8.1 Darryl Linington (May 26, 2016). "Citrix Showcases Cloud-first Innovations at Citrix Synergy 2016". IT News Africa. http://www.itnewsafrica.com/2016/05/citrix-showcases-cloud-first-innovations-at-citrix-synergy-2016/. 
  9. ↑ 9.0 9.1 9.2 Stacy Cowley (June 6, 2005). "Gaining speed, Citrix buys NetScaler". Network World. http://www.networkworld.com/article/2321586/software/gaining-speed--citrix-buys-netscaler.html. 
  10. ↑ 10.0 10.1 Stan Gibson (May 12, 2015). "NetScaler: Making the Mobile Enterprise Happen". CIO magazine. http://www.cio.com/article/2921487/mobile/netscaler-making-the-mobile-enterprise-happen.html. 
  11. ↑ 11.0 11.1 11.2 11.3 Carlos A Soto (May 5, 2011). "NetScaler load balancer can squash network latency". GCN. https://gcn.com/Articles/2011/05/02/Review-of-Citrix-NetScaler-9-2-load-balancer-web-servers.aspx. 
  12. ↑ 12.0 12.1 12.2 12.3 Robin Wauters (May 16, 2011). "Product Launch: Citrix NetScaler SDX". Virtualization.com. http://virtualization.com/2011/05/16/product-launch-citrix-netscaler-sdx/. 
  13. ↑ Lynn Greiner (May 29, 2017). "More companies are using artificial intelligence and analytics to fight against cyber threats". Financial Post. http://business.financialpost.com/technology/cio/more-companies-are-using-artificial-intelligence-and-analytics-to-fight-against-cyber-threats. 
  14. ↑ Timothy Prickett Morgan (October 10, 2011). "Citrix pushes the pedal on NetScaler appliance metal". The Register. https://www.theregister.co.uk/2011/10/10/citrixl_netscaler_mpx_sdx/. 
  15. ↑ 15.0 15.1 Timothy Prickett Morgan (September 23, 2009). "Citrix ships virtual NetScaler accelerator". The Register. https://www.theregister.co.uk/2009/09/23/citrix_ships_netscaler_vpx/. 
  16. ↑ Bas van Kaam (September 23, 2014). "Citrix NetScaler Gateway, the basics!". http://www.basvankaam.com/2014/09/23/citrix-netscaler-gateway-the-basics/. 
  17. ↑ Brian Posey (October 31, 2016). "Three benefits Citrix NetScaler Unified Gateway delivers to VDI shops". Search Virtual Desktop. http://searchvirtualdesktop.techtarget.com/tip/Three-benefits-Citrix-NetScaler-Unified-Gateway-delivers-to-VDI-shops. 
  18. ↑ 18.0 18.1 18.2 Natalie Gagliordi (May 24, 2016). "Citrix unwraps XenApp, XenDesktop 7.9, adds centralized analytics to NetScaler". ZDNet. http://www.zdnet.com/article/citrix-unwraps-xenapp-xendesktop-7-9/. 
  19. ↑ 19.0 19.1 pisbcredenz (July 5, 2015). "Challenges we tackled while interviewing Michel Susai". WordPress. https://pisbcredenz.wordpress.com/2015/07/05/6-challenges-we-tackled-while-interviewing-michel-susai/. 
  20. ↑ Timothy Greene (April 28, 2008). "CCitrix, A10 bolster application delivery gear". Network World. http://www.networkworld.com/article/2278646/data-center/citrix--a10-bolster-application-delivery-gear.html. 
  21. ↑ Craig Matsumoto (August 24, 2016). "Citrix Gives Away Netscaler Containers for Free". SDNCentral. https://www.sdxcentral.com/articles/news/citrix-gives-away-free-netscaler-cpx-containers/2016/08/. 
  22. ↑ Logan Harbaugh (November 12, 2007). "Citrix NetScaler meets the need for speed". InfoWorld. http://www.infoworld.com/article/2650558/networking/citrix-netscaler-meets-the-need-for-speed.html. 
  23. ↑ "Citrix 2016 Annual Report". Citrix. December 31, 2016. p. F-31. http://files.shareholder.com/downloads/CITRIX/4668017247x0x939663/77DDCCB6-21E7-416E-AEEC-27BC5886D513/citrix_2016_Annual_Report_Final.pdf. 

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