How Citrix helpful to your Institution's?

Overview

Deployment Overview

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The Controller is made up of independent windows services that manages resources, applications, desktops and optimize as well as balance user connections. Each Site has one or more Controllers, and as sessions are dependent on latency, bandwidth, and network reliability; all Controllers ideally should be on the same LAN.

Users never directly access the Controller. The VDA serves as an intermediary between users and the Controller. When users log on to the Site using StoreFront, their credentials are passed through the Broker Service on the Controller, which obtains their profile and available resources based on the policies set for them.

User Connections

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The Broker Service determines which desktops and applications the user is allowed to access.

After the credentials are verified, information about available applications or desktops is sent back to the user through the StoreFront-Citrix Receiver pathway. When the user selects applications or desktops from this list, that information goes back down the pathway to the Controller, which determines the proper VDA to host the specific applications or desktop.

The Controller sends a message to the VDA with the user's credentials, and then sends all the data about the user and the connection to the VDA. The VDA accepts the connection and sends the information back through the same pathways to Citrix Receiver. A set of required parameters is collected on StoreFront. These parameters are then sent to Citrix Receiver, either as part of the Receiver-Store- Front protocol conversation, or converted to an Independent Computing Architecture (ICA) file and downloaded. As long as the Site was properly set up, the credentials remain encrypted throughout this process.

The ICA file is copied to the user's device and establishes a direct connection between the device and the ICA stack running on the VDA. This connection bypasses the management infrastructure (Citrix Receiver, StoreFront, and Controller).

The connection between Citrix Receiver and the VDA uses Citrix Gateway Protocol (CGP). If a connection is lost, the Session Reliability feature enables the user to reconnect to the VDA rather than having to relaunch through the management infrastructure. Session Reliability can be enabled or disabled in Citrix policies.

After the client connects to VDA, the VDA notifies the Controller that the user is logged on, and the Controller sends this information to the Site database and starts logging data in the Monitoring database.

Every XenApp or XenDesktop session produces data that IT can access through Studio or Director. Using Studio, administrators can access real-time data from the Broker Agent to better manage sites. Director accesses the same real-time data plus historical data stored in the Monitoring database, as well as HDX data from NetScaler Gateway for help-desk support and troubleshooting.

Within the Controller, the Broker Service reports session data for every session on the machine providing real-time data. The Monitor Service also tracks the real-time data and stores it as historical data in the Monitoring database.

Studio communicates only with the Broker Service; therefore, it accesses only real-time data. Director communicates with the Broker Service (through a plugin in the Broker Agent) to access the Site database.

Director can also access NetScaler Gateway to get information on the HDX data.

Data Access

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Studio communicates only with the Broker Service; therefore, it accesses only real-time data. Director communicates with the Broker Service (through a plugin in the Broker Agent) to access the Site database.

Director can also access NetScaler Gateway to get information on the HDX data.

HARDWARE REQUIREMENTS

Four physical servers (three active and one passive to help achieve N+1 redundancy) Dual 12-core Intel Xeon E-series processors, 96 GB of RAM per server, Two or more 1 Gb or 10 Gb NICs, Two 300 GB 15K RPM SAS drives (this is optional if you're not using local storage)

Case Study

University of South Florida

Using Citrix XenApp, university delivers anytime, anywhere access for students

A major university provides 47,000 students with anytime, anywhere access to applications they need with Citrix XenApp, saving hundreds of thousands of dollars.

Top 10

The leading education organizations rely on Citrix solutions.

  • Top 10 highest ranked universities
  • All US “big ten” universities
  • Top 10 largest US school districts
Key benefits
  • Enables greater accessibility and flexibility
  • Saves nearly $300,000 each year
  • Cuts troubleshooting and repair by 80 percent
Education IT Case Studies

University of Central Florida

Citrix End User Video - University of Florida


Mobile clinic services. Remote consulting. Automated workflows. Telehealth. Internet of Things.

Look behind the scenes of high quality patient care and you'll likely see digital technologies both as an enabler of transformation and a catalyst for patient safety and security risks. How can IT departments enable prompt sharing of harmonized clinical information for decision support and protect it at the same time?

Learn best practices for:
  • Seamlessly using business critical infrastructure to customize workflows for clinicians
  • Reliably enabling continuity of care across environments and during disasters
  • Quickly providing secure contextual access to varied information systems
  • Easily creating and enabling a single dashboard for centralized management
Healthcare IT Case Studies

Learn about Citrix XenApp for Healthcare

Fujitsu & Terveystal

Our Offerings

BASIC SILVER PREMIUM
Idea For e-Library with Learn Pro Virtual desktop located in the data center over the network via the Microsoft Proprietary RDP protocol. Online eBook stores time schedule bibiliography helper lecture capture apps revision apps exam prep apps student planner apps academic plan Microsoft Sway Learn Pro Bibliography helper apps
Video call apps
Student safety apps
Virtual desktop located in the data center over the network via the Microsoft Proprietary RDP protocol. Online book stores time schedule bibiliography helper lecture capture apps revision apps exam prep apps student planner apps academic plan Microsoft Sway Learn Pro 24x7 site support
Bibliography helper apps
Video call apps
Student safety apps
System Requirements Online 3G Network Session Recording - XenApp 7.6 FP1, FP2, and LTSR
Delivery Controller Database Studio Director
Virtual Delivery Agent (VDA) for Windows Desktop OS
Virtual Delivery Agent (VDA) for Windows Server OS
Hosts / virtualization resources
Active Directory functional level support
HDX - Desktop Composition Redirection
HDX - Windows Media delivery
HDX - Flash Redirection HDX 3D Pro
HDX - Video conferencing requirements for webcam video compression
HDX - Other Universal Print Server requirements
Technical Overview XenApp and XenDesktop { virtualization solutions that give IT control of virtual machines,
applications, licensing, and security while providing anywhere access for any device. }
Key components Citrix Receiver. Agent (VDA) StoreFront; Delivery Controller;
Broker agent; Virtual Delivery
A software client that is installed on the user device, supplies the connection
to the virtual machine via TCP port 80 or 443,
and communicates with StoreFront using the StoreFront Service API.
AMC/Year Request for a pricing
Licensing* AS per number of users
Open No Level Price(Rs) Request for a pricing
Additional Requirements Wi-Fi wireless dual band routers 100 no, are included. Any additional requirements may change the price. Networking cables, routers are not included, subject on geographical and physical condition of the institution building

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