Uni | Apps

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Dec 10, 2013 (3 years and 11 months ago)

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Uni |
Apps




An Introduction to
Uni

S
ystems Cloud
On
-
Demand Apps

White Paper



Solution Brief














UNI | APPS

2












Contents




Introduction

................................
................................
................................
...............................

3

Fitting Delivery of Desktop Apps to the Cloud.

................................
................................
.............

3

Considerations for on
-
demand Applications.

................................
................................
...............

3

CITRIX Cloud Solution for on
-
demand Applications.

................................
................................
.....

5

End
-
user self
-
service via Unisystem Cloud Control panel

................................
..............................

7

Device inde
pendent delivery

................................
................................
................................
.......

7

Application Virtualization

................................
................................
................................
............

8

Session virtualizatio
n

................................
................................
................................
..................

8

Self service configuration and billing integration

................................
................................
..........

8

Open Cloud
Framework

................................
................................
................................
..............

9

Cloud Access Services

................................
................................
................................
..................

9

Cloud Bridging Services

................................
................................
................................
...............

9

Edge Networking Services

................................
................................
................................
...........

9

Platform Virtualization

................................
................................
................................
..............

10

Pricing Model
................................
................................
................................
............................

10

SUMMARY

................................
................................
................................
................................

10



UNI | APPS

3



Introduction


Traditional, distributed application deployment and management, which entails installing,
maintaining, and supporting a set of applications on each individual computing device, has become
extremely complex
and costly


and is completely unable to keep up with the rapid pace of change
and other, pressing business issues.


As organizations face growing demand for a more mobile and flexible work environment across a
diverse set of user devices, application mana
gement becomes increasingly complex. The need to
ensure business continuity and meet regulatory compliance standards creates furth
er challenges for
IT. The
Uni Systems

Cloud Solution for On
-
demand apps

solves these challenges by enabling
applications to be

centrally hosted in the cloud and delivered as an on
-
demand service, to users
anywhere, on any device.

Fitting Delivery of Desktop Apps to the Cloud.


On
-
demand application delivery from the cloud not only addresses the shortcomings of traditional
techniq
ues and tools, but also accounts for a wide range of other important enterprise objectives as
well. Enabled by Citrix® XenApp, this ideal combination of capabilities is based on managing
applications in the datacenter and delivering them as an on
-
demand se
rvice to users anywhere
using virtually any device including PCs, Macs, Linux, thin clients and smartphones. Stated another
way, the keys to this approach are:



Completely centralized management, maintenance, and control of applications



Application delivery
, which refers to the ability to offer both
online and offline application
access through a combination of application hosting and application streaming, and



The on
-
demand nature of the service, which ensures end
-
users get immediate access to
applications
when and where they need them.

The net result is that the cost of application
management is reduced by up to 50%, dramatically improved business agility, and
significantly strengthened application and data security


all while providing users with a
bette
r
-
than
-
installed experience.

Considerations for on
-
demand Applications.


One of the key areas of concern for most enterprises is the control of specific Line of Business (LoB)
applications and mission critical data. A proper implementation of On
-
demand
Applications will
allow the enterprise to source applications and data from different physical (and logical) locations
and assemble each to be viewed by the user as a comprehensive “hosted desktop”. What this
means is a system for delivering On
-
demand Appl
ications must allow the following:

1.

Profiling of individual users to determine where data is sourced from and where it can be
stored depending on the enterprise policies for security and control.

2.

The look and feel of a locally loaded application and/or des
ktop such that the end user
experience is liken to what they are accustomed to and no new learned behavior is
required.

UNI | APPS

4



3.

Access to (pre
-
determine/profiled) applications and data from any device in any location on
any network. This flexibility is required i
n order to provide a ubiquitous experience.


Conceptually, an On
-
demand application solution is quite simple. Rather than individually installing
desktop applications on individual end
-
user devices (see figure 1), the application runtimes are
hosted
centrally in the cloud, and delivered as virtualized services to end
-
user devices (see figure 2).

With the
Uni Systems

Citrix
based
Cloud solution, a single image of each application is centrally
configured, stored, and maintained in the cloud, despite the

inevitable variation in endpoint
devices, operating systems, and their configuration state. New applications, upgrades, and patches
are implemented and tested once, enabling application updates to be available to users whenever
they start their next sessi
on. This is commonplace for office productivity applications.

Figure 1. Apps locally installed on end
-
­­point devices



Figure 2. Apps delivered as a virtualized service




For Line of Business applications, which depending upon use can have multiple imp
lementation
variations, a slightly different approach is required. Single image management of the base
applications is still recommended. This image may be streamed to the hosting server, and any
UNI | APPS

5



variation of the application may be stored at the hosting se
rver for individual department or
business unit use. By employing this process, a “golden image” administration is still possible and
the management of application variations is simplified. The net result is the ability to manage
patches and upgrades to th
e base application without having to replicate the process many times
over for the variants.

This virtualization of the application itself is unquestionably a big piece of the solution. However,
the biggest difference is the supporting infrastructure that
is provided to control, optimize, and
secure the delivery of applications and/or application sessions to users and their devices. By
streamlining operations and administration, bolstering security, expanding the scope of applicability
of the solution, guar
anteeing a seamless, high
-
performance user experience, and delivering
applications with 99.999 percent availability, an On
-
demand Application solution maximizes the
benefits of what would otherwise be little more than an intriguing and incrementally useful

set of
technology. Figure 3 presents a more holistic view of an end
-
to
-
end solution.

Fi
gure 3
Uni Systems

Cloud solution for End
-
to
-
end On
-
demand application delivery



CITRIX Cloud Solution for on
-
demand Applications


At its core, the
Uni Systems

Citrix based
Cloud Solution for On
-
demand Applications relies on a
combination of application and session virtualization for many of the strengths and advantages it
has compared to traditional application management solutions. Additionally, many other
com
ponents need to be

integrated to provide a turnkey solution. The following table identifies key
requirements of an On
-

demand Application solution.

UNI | APPS

6









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UNI | APPS

7



End
-
user self
-
service

via Uni

S
ystem
s

Cloud Control panel


Customer’s Self Administration

Through the use of
Uni Systems

Control Panel, Customer administrators can themselves perform
most of the user administration required for their own organization. Managing user accounts,
provisioning services or managing their organization’s own services (e
.g. Hosted Exchange contacts
or distribution lists) is performed through the easy to use web interface.



Allows customers to import users in bulk through an Excel file



Administration of Users



Create as many administrator users as necessary.



Control servic
e specific administrative permissions.



Configure email alerts for expiring passwords or unused accounts.


Some examples of the standard features available to a customer administrator include:



Create new users.



Provision services to users, e.g. Give a user
a mailbox or grant access to a SharePoint site.



Disable a users account, stopping them from accessing any hosted services



Unlock accounts.



Reset user passwords.



Copy an existing user, complete with all configured services.


User’s Self Administration

Administration functionality is available to all user accounts provisioned in the system. Changing a
password or downloading a configuration file for Microsoft Outlook can be achieved by logging in to
Uni Systems

Control Panel system Change Password featur
e.


Users can typically:



Change their existing password



Unlock user accounts and reset passwords for other users (full and partial administrators)



View configuration information screens or download required setup files



Provide customized content to users b
ased on the services they are subscribed to



View any reports published to the user


Users obtain simple access to applications and define their own experience while IT ultimately
remains in control.



Device independent delivery


Any cloud
-
based applica
tion delivery solution must provide comprehensive support for an
increasingly mobile workforce, as well as provide the broad platform support required by the
consumerization of IT. These include Windows, Mac, Linux, and Unix devices, along with legacy DOS
PCs, the latest NetBooks
& tablets
and any of thousands of thin
-
clients and smart terminals
available on the market today. Even users on iPhone, iPod Touch,
iPads,

Wi
ndows Mobile, Android
devices need access to Windows and UNIX applications.

UNI | APPS

8



Uni Systems

on
-
demand apps service
, supporting over 30 different operating systems
and
can

deliver any application to any device, anywhere
.

Application Virtualization


Application virtualization improves the manageability and compatibility of applications by isolating
them from the underlying operating system through virtual redirection. With application
virtualization, applications are not installed in the traditional s
ense. Instead, they are packaged in a
way that provides each application with its own isolated runtime environment where it will operate
using its own virtualized (i.e., copied) instance of necessary system services, settings and data and
with all requests

to the underlying operating system proxied. When a user requests an application,
the corresponding package is then streamed


that is, sent over the network in a way that it allows
it to run even as the sending process is in progress


to the user’s endpo
int. Added benefits of this
approach are that it provides access to applications when users are offline and enables
organizations to more fully leverage end
-
point computing power.

Uni Systems

on
-
demand apps service
,
is powered with the defacto
standard in
application
virtualization
-

Citrix

Session virtualization


Session virtualization is a second delivery method that includes a number of attractive
characteristics. With session virtualization, applications are either:



Installed

or streamed to centralized Windows Servers running Remote Desktop Services


a
configuration referred to as server
-
hosted applications, or



Implemented

within a virtual machine that is then run on a centralized blade PC, dedicated
PC, or as part of a virt
ual desktop infrastructure (VDI) implementation


a configuration
referred to as VM
-
hosted applications.

The primary distinction from application
virtualization is that in this case the applications are hosted and run in a centralized
location, as opposed

to on endpoint devices. Users remotely access them via a client
-
side
software agent or ordinary web browser and interact by exchanging mouse, keyboard, and
screen updates over the network. This way, performance is enhanced, particularly for
“chatty” clien
t
-
server applications and, most importantly, sensitive applications and data
never leave the datacenter.


Uni Systems

on
-
demand apps service, is using citrix XenApp solution to provide session virtualization.

Self service configuration and billing integrat
ion


As stated, in order for On
-
demand Apps to be a reality in the cloud, there is a need for self
provisioning connected to back end billing. Robust solutions will provide for “delegated
administration.” This means that not only the cloud provider or owne
r of the system can operate or
administer the system, but that administration delegated to the enterprise’s own IT management
UNI | APPS

9



staff, or potentially all the way to the end
-
user itself. Delegated functionality can be restricted
where desired; for example the

end
-
user’s IT management function might be restricted to only
manage user password changes.

Uni Systems

on
-
demand apps service
,
is providing billing integrati
on throw the
Uni Systems

Cloud
plan
e.

Open Cloud Framework


Cloud framework services provide the
foundational logic for rapidly provisioning, managing and
controlling workloads deployed into multi
-
tenant, shared infrastructure clouds. The cloud
framework ensures policy enforcement and security, and provides for integration with existing
services such
as billing, metering and self
-
service portals. Interoperability with other popular Cloud
interfaces, and extensibility of the framework itself, provide the flexibility to leverage existing
investments when migrating between clouds.

Cloud Access Services


Citrix CloudAccess ™ is a pragmatic solution to the cross
-
domain authentication problem that
leverages existing enterprise infrastructure and works to extend the policy framework that has
already been put in place. Features include: Unified Password Manag
ement for SaaS, SSO to
Cloud/SaaS applications, Password Workflow Automation, support for all major SaaS providers, and
integrates into the with full transparency. Benefits include: Improve security across all applications,
no end user training required s
tandardizes password policy across both internal and external
applications, automatically removes access to applications for users removed from the enterprise
authentication framework, and simplifies password reset for end users.

Cloud Bridging Services


All but the simplest cloud use cases will require a secure, persistent connection between enterprise
and cloud data centers. While this “bridge” does incorporate VPN services for security, the bridge is
much more than a VPN tunnel. Strategically, the key
role of the bridge is to provide an overlay
network across physical and virtual topologies, making the cloud a seamless extension of the
enterprise network. With the cloud a transparent extension of the enterprise network, migrating
application workloads b
ecomes far easier since the applications network
-
specific configurations
won’t need to be overhauled.

Uni Systems

Cloud offering provides on monthly subscription model Cloud bridge services

Edge Networking Services


Edge networking services are critical to ensuring the reliability, security and performance of any
c
loud
-
based offering. Properly deployed, these services are largely transparent to the cloud
consumers, yet are fundamental to ensuring the cloud remains ava
ilable in the face of natural and
UNI | APPS

10



man
-
made disasters, hacker attacks, planned and unplanned network and server outages and
unantici
pated surges in traffic.

Uni Systems

cloud offering is based on the true multitenant environment that
Citrix NetScaler®

tech
nology provides, as

an integrated Web application delivery controller that provides advanced
traffic management through Layer 4
-
7 load balancing and content switching. Global server load
balancing provides critical business continuity and disaster recover
y support during site
-
level
disruptions and outages. NetScaler also includes application security via a web application firewall
and SSL VPN.

Additional
Uni Systems

cloud services supporting the
Citrix Branch Repeater™

technology
, available
as a p
hysical

or virtual appliance, as

a WAN optimization solution that provides a high definition
desktop and application experience to branch and mobile users while dramatically reducing WAN
bandwidth costs and simplifying branch infrastructure. Branch Repeater accel
erates desktop and
application delivery, decreases WAN bandwidth consumption, and enables server consolidation.

Platform Virtualization


Server, storage and network virtualization are linchpins of the flexibility, affordability and scalability
of any clo
ud
-
based offering. By simultaneously optimizing resource utilization through consolidation
while still maintaining full isolation, virtualization supports the cost effectiveness of cloud offerings.
By abstracting workloads from the underlying physical reso
urces that run them, virtualization
enables the elasticity needed for cloud services to be made available on
-
demand and self
-
service.

Uni Systems

Cloud services supporting Citrix Xenserver, Microsoft Hyper

V and Vmware v
-
Shere
virtualization platforms.

P
ricing Model


Uni Systems

TEST & DEV CLOUD SOLUTION
is offered as a subscription
-
based service.


SUMMARY


Uni Systems

On
-
demand applications from the cloud transform application management from a
liability into a strategic asset. The combination of
application virtualization, session virtualization,
and a robust, centrally controlled delivery infrastructure helps achieve the right balance. Bridging
the gap between business and user needs, the solution provides:



the most cost
-
effective way to manage a
nd

deliver applications to users;



the strongest protection for sensitive data, proprietary informa
tion, and intellectual
property




the greatest degree of user and device flexibility

while still retaining control



the best user experience
and performance on
any network,
and,



the highest levels of reliability and application availability.


UNI | APPS

11



N
ot only does delivering apps on
demand from the cloud resolve the tactical challenges of
traditional application deployment techniques and management tools, it also serves as an enabling
platform for a wide variety of strategic objectives, including:



Business continuity. On
-
demand app d
elivery ensures displaced employees can access their
applications from any web
-
enabled device, while transparent re
-
direction to an alternate
datacenter allows seamless recovery from a site
-
level outage.



Workforce mobility. Being able to provide access to

applications with any device, from
anywhere, at any time makes supporting any number of mobile users a trivial exercise.



Regulatory compliance. Having granular control over who has access to which information
resources and how they can use them goes a lo
ng way toward achieving compliance with
most regulations. Being able to rapidly patch and update applications that operate on
sensitive data doesn’t hurt either.



Geographic expansion / mergers and acquisitions. Even as organizations consolidate servers
an
d datacenters to boost IT efficiency and reduce costs, many are also adding or acquiring
remote offices to improve their ability to capture and retain customers. Arming associated
users with the tools they need requires nothing more than a web browser and
a valid
network credential.

And these examples only begin to scratch the surface. The flexibility and control afforded by on
-

demand application delivery
Uni Systems

cloud service
ensures their applicability to countless other
enterprise scenarios and obj
ectives, both now and in the future.