Ian Pratt is a British computer scientist. He was the chief architect of the open-source Xen project, and chairman of Xen.org. [1] He was also the founder of XenSource, the company behind Xen project. [2] After XenSource was acquired [3] by Citrix, he became vice president of Advanced Virtualization Products [4] at this company, until leaving in 2011. [5] He then became the CEO of Bromium. Bromium was eventually acquired by HP Inc in 2019 and he became the Global Head of Security at HP. [6]
Before working full-time at XenSource, Pratt was a senior lecturer at the University of Cambridge Computer Laboratory where he taught undergraduate courses [7] and supervised PhD students, and was a Fellow of King's College, Cambridge. He was the leader of the Systems Research Group, where he was also part of the XenoServer project that lead to the creation of the Xen hypervisor [8] [9] . He co-founded Nemesys Research Ltd, a company that broadcast video over ATM networks, which was acquired by FORE Systems in 1997 [10] .
He received the Academy Silver Medal [11] in 2009 and was elected to Royal Academy of Engineering in 2012. [12] He resides in Cambridge, UK.
Citrix Systems, Inc. is an American multinational cloud computing and virtualization technology company that provides server, application and desktop virtualization, networking, software as a service (SaaS), and cloud computing technologies. Citrix products were claimed to be in use by over 400,000 clients worldwide, including 99% of the Fortune 100, and 98% of the Fortune 500.
The Department of Computer Science and Technology, formerly the Computer Laboratory, is the computer science department of the University of Cambridge. As of 2023 it employed 56 faculty members, 45 support staff, 105 research staff, and about 205 research students. The current Head of Department is Professor Alastair Beresford.
Xen is a free and open-source type-1 hypervisor, providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently. It was originally developed by the University of Cambridge Computer Laboratory and is now being developed by the Linux Foundation with support from Intel, Citrix, Arm Ltd, Huawei, AWS, Alibaba Cloud, AMD, Bitdefender and epam.
Sir Andrew Hopper is a British-Polish computer technologist and entrepreneur. He is treasurer and vice-president of the Royal Society, Professor of Computer Technology, former Head of the University of Cambridge Department of Computer Science and Technology, an Honorary Fellow of Trinity Hall, Cambridge and Corpus Christi College, Cambridge.
A hypervisor is a type of computer software, firmware or hardware that creates and runs virtual machines. A computer on which a hypervisor runs one or more virtual machines is called a host machine, and each virtual machine is called a guest machine. The hypervisor presents the guest operating systems with a virtual operating platform and manages the execution of the guest operating systems. Unlike an emulator, the guest executes most instructions on the native hardware. Multiple instances of a variety of operating systems may share the virtualized hardware resources: for example, Linux, Windows, and macOS instances can all run on a single physical x86 machine. This contrasts with operating-system–level virtualization, where all instances must share a single kernel, though the guest operating systems can differ in user space, such as different Linux distributions with the same kernel.
Vyatta is a software-based virtual router, virtual firewall and VPN product for Internet Protocol networks. A free download of Vyatta has been available since March 2006. The system is a specialized Debian-based Linux distribution with networking applications such as Quagga, OpenVPN, and many others. A standardized management console, similar to Juniper JUNOS or Cisco IOS, in addition to a web-based GUI and traditional Linux system commands, provides configuration of the system and applications. In recent versions of Vyatta, web-based management interface is supplied only in the subscription edition. However, all functionality is available through KVM, serial console or SSH/telnet protocols. The software runs on standard x86-64 servers.
Andrew James Herbert, OBE, FREng is a British computer scientist, formerly Chairman of Microsoft Research, for the Europe, Middle East and Africa region.
Ceedo is a cybersecurity company based in Netanya, Israel. Ceedo uses software virtualization technologies to create application containers, claiming to eliminate or reduce endpoint security threats like viruses or ransomware.
Simon Crosby is Co-founder and CTO of security software vendor Bromium Inc. and was a faculty member at the University of Cambridge, UK.
InstallFree Inc. is a privately held company, backed by Ignition Partners and Trilogy Equity Partners, with headquarters in Stamford, CT and offices located worldwide. InstallFree specializes in Application Virtualization and delivery, based on their proprietary application virtualization technology that works on a variety of Microsoft Windows platforms such as Windows XP, Windows Vista, Windows 7, Windows Server 2003, Windows Server 2008, Terminal Server and Citrix XenApp.
XenClient is a discontinued desktop virtualization product developed by Citrix. It runs virtual desktops on endpoint devices. The product reached end of-life in December 2016. Unlike modern systems, XenClient runs both operating system and applications locally in the end users device, without the need for a connection to a data center, making it suitable for use in environments with limited connectivity, disconnected operation on laptops, and other scenarios where local execution is desired while keeping management centralized.
CloudStack is open-source Infrastructure-as-a-Service cloud computing software for creating, managing, and deploying infrastructure cloud services. It uses existing hypervisor platforms for virtualization, such as KVM, VMware vSphere, including ESXi and vCenter, XenServer/XCP and XCP-ng. In addition to its own API, CloudStack also supports the Amazon Web Services (AWS) API and the Open Cloud Computing Interface from the Open Grid Forum.
Bromium was a venture capital–backed startup based in Cupertino, California that worked with virtualization technology. Bromium focused on virtual hardware claiming to reduce or eliminate endpoint computer threats like viruses, malware, and adware. HP Inc. acquired the company in September 2019.
Whiptail Technologies LLC, was previously a privately held company that builds data storage systems out of solid-state drive components. Whiptail designed and commercialized the use of NAND flash memory as a replacement for hard disk drives in large-scale storage systems. The company is named after the whiptail racerunner, a fast lizard species indigenous to the southwestern United States.
Citrix Workspace is a digital workspace software platform developed by Citrix Systems. Launched in 2018, it is Citrix Systems' flagship product. Citrix Workspace is an information retrieval service where users can access programs and files from a variety of sources through a central application or a Web browser. In addition to Citrix Virtual Apps and Desktops, Citrix Workspace services include Citrix Endpoint Management, Citrix Content Collaboration, Citrix Access Control, microapp capabilities, usage analytics, and single sign-on capabilities to SaaS and Web apps.
Citrix Virtual Apps is an application virtualization software produced by Citrix Systems that allows Windows applications to be accessed via individual devices from a shared server or cloud system.
Citrix Cloud is a cloud management platform that allows organizations to deploy cloud-hosted desktops and apps to end users. It was developed by Citrix Systems and released in 2015.
NetScaler is a line of networking products owned by Cloud Software Group. The products consist of NetScaler, an application delivery controller (ADC), NetScaler AppFirewall, an application firewall, NetScaler Unified Gateway, NetScaler Application Delivery Management (ADM), and NetScaler SD-WAN, which provides software-defined wide-area networking management. NetScaler was initially developed in 1997 by Michel K Susai and acquired by Citrix Systems in 2005. Citrix consolidated all of its networking products under the NetScaler brand in 2016. On September 30, 2022, when Citrix was taken private as part of the merger with TIBCO Software, NetScaler was formed as a business unit under the Cloud Software Group.
Citrix Virtual Desktops is a desktop virtualization product.
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