performance visibility for data center apps · for data center apps cloudgenix provides visibility...
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U S E C A S E B R I E F
Performance Visibility for Data Center AppsCloudGenix provides visibility into performance of apps hosted in the data center
Summary
Performance problems are some of the most challenging for I/T to re-
solve. Today’s data center applications are complex, multi-tiered, and
require a substantial amount of interaction between the client (typically
a web browser) and multiple back-end application servers. In order to re-
solve performance issues, the source of the problems must first be identi-
fied, which generally drives I/T to purchase several separate performance
management systems, and spend countless hours making difficult config-
uration changes on endpoints and network devices to collect data. Even
with dedicated, expensive infrastructure for managing application perfor-
mance, most I/T organizations find that they simply cannot identify the
root cause of performance issue with a reasonable degree of confidence.
When users experience slow response times with applications, their pro-
ductivity is hindered and the business suffers. It becomes cumbersome
for application, server, network, and desktop teams to identify where
the issue may reside within their domain, and generally, finger-pointing
ensues. In addition to hurting employee productivity, morale can be
negatively affected for all parties involved, and hours are wasted without
having the requisite data for coming to an educated conclusion on how to
resolve the issue.
CLOUDGENIX SOFTWARE-DEFINED
WAN (SD-WAN) IS THE INDUSTRY’S
MOST COMPLETE SOLUTION FOR
APPLICATIONS TO YOUR REMOTE
SITES OVER ANY WAN TRANSPORT
REGARDLESS OF WHERE THEY ARE
DEPLOYED: IN THE DATA CENTER,
CLOUD, OR SOFTWARE-AS-A-
SERVICE (SAAS)
Solution Requirements
In order to adequately solve the challenges listed above, any solution needs
to meet criteria in five key areas.
Introducing CloudGenix Clarity
CloudGenix Software-Defined WAN (SD-WAN) is the industry’s most com-
plete solution for customers that want to build hybrid networks consisting
of MPLS private WANs and commodity Internet connections for cloud ap-
plication adoption, remote office high availability, application performance,
and end-to-end visibility. Powered by CloudGenix Instant-On Networks
(ION) devices deployed in locations where visibility and control are desired,
CloudGenix SD-WAN allows you to create policies based on business intent
rather than a series of fragmented networking features, enables dynamic
path selection using the highest performing network, and provides visibility
into performance and availability for applications and networks.
CloudGenix Clarity is a foundational
component of the CloudGenix
SD-WAN solution that provides
endto- end visibility and analytics
for your applications and networks,
and operates independently of the
full suite of CloudGenix SD-WAN
capabilities. When the full suite of
SD-WAN capabilities are added,
CloudGenix begins using the ac-
tionable data gleaned from Clar-
ity to self-heal your network in an
automated manner.
CloudGenix ION
WAN Router
LAN Switch
Users & Computers
Clarity SD-WAN
MPLSInternet
CloudGenix ION
LAN Switch
Users & Computers
MPLSInternet
FIGURE 1: CLOUDGENIX CLARITY PROVIDES SIMPLE, SEAMLESS TRANSITION TO FULL SD-WAN
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COMPLETE VISIBILITY
the solution must see all applications, over all networks, using any WAN link, and provide visibility into performance, health, and quality
ACTIONABLE DATA
analytics and information presented by the solu-tion must be useful and actionable while provid-ing guidance based on machine learning
NATIVE SOLUTION
the solution must be native to eliminate complexity and require no additional hardware or software, connectors to third-party systems, agents, or new protocols or interfaces
CLOUD DELIVERED
the solution must be fully cloud-delivered to eliminate the otherwise substantial server and storage cost while also providing simple data ac-cess through export func-tions and a RESTful API
SELF-HEALING NETWORK
actionable data gleaned from application, site, and WAN link visibility must also able to be used to drive policy enforcement decisions to automatically heal the network accord-ing to policy
Identify the Source of Poor App Performance
CloudGenix dissects every flow on your network to determine performance
characteristics of the client, network, server, and application. From CloudGenix
Clarity, I/T can identify the source of poor app performance within a few clicks,
starting with a network-wide view of what applications are on the network,
how your WAN links are performing,
and drilling into the specifics of each
individual flow. The source of poor ap-
plication performance can be identi-
fied quickly — whether it’s congestion,
excessive packet loss, an overloaded
server, misbehaving application, or a
denial of service attack. Identifying
the source of these problems quickly
gets users back to being productive
and reduces I/T burden.
Solve Poor App Performance Problems
In addition to identifying the source of app performance issues, CloudGenix
can help you better ensure consistent application performance. CloudGenix al-
lows you to align application flows with network paths (including private WAN,
broadband, and cellular) between locations, to the Internet, or the cloud, to
ensure adequate resources are available where they are needed to meet your
performance expectations. Using a consistent application-centric policy that
includes performance, compliance, and security, your WAN can be managed
as a unified application fabric consisting of heterogeneous WAN links, rather
than managing a disjointed series of networking features that rarely work to-
gether. This allows I/T to use the right link at the right time while ensuring opti-
mum performance and availability.
CloudGenix Clarity inspects several
key performance indicators for every
flow on the network to determine
if application response time is af-
fected by the network round-trip
time, network transfer time, or server
response time — the three key pillars
of application performance. Network
round-trip time indicates how long
it takes a message to travel across
the network; network transfer time
indicates how much time is spent
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FIGURE 2: CLOUDGENIX CLARITY PROVIDES INSTANT VISIBILITY INTO KEY WAN AND APPLICATION METRICS, HELPING QUICKLY IDENTIFY ROOT CAUSE AND RESOLVE ISSUES
FIGURE 3: CLOUDGENIX CLARITY IS APPLICATION-AWARE AND EXPOSES COMPONENTS THAT CONTRIBUTE TO OVERALL USER EXPERIENCE WITH YOUR APPLICATIONS
© 2018 Cloudgenix inc. All rights reserved.
ABOUT CLOUDGENIXCloudGenix provides a software-defined WAN solution with AppFabric technology that enables you to build a global WAN based
on business policies for application performance, compliance, and security, across all sites and users. Unlike router-based solutions,
CloudGenix AppFabric allows you to define top-down global policies based on business intent rather than fragmented bottoms-up
configuration changes based on technical implementation. With CloudGenix, you can easily integrate heterogeneous WAN connections
for any site, take advantage of cloud and SaaS applications, improve visibility for app performance and SLAs, and dramatically simplify
network operations.
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sending data between nodes on the network for the given application, and
server response time indicates how long it took the server to respond to the
application message. Having visibility into these three points helps accurately
identify whether or not the problem is caused by poor network design, routing
issues, incorrect path selection, or an overloaded or misbehaving server.
CloudGenix Customer Example
A global engineering firm has deployed CloudGenix to simplify WAN opera-
tions, take advantage of multiple heterogeneous paths (MPLS, broadband) to
the remote offices, and offload Internet traffic from the private WAN. Along
with being able to reduce remote office hardware and set up an instant private
WAN over the Internet to any office, this customer noticed that one of their
data center web applications was not performing at a level that allowed their
employees to be productive. The customer examined the CloudGenix Clarity
dashboard and identified two problems. First, the private WAN connection to
the data center was becoming congested at several points throughout the day,
and second, the server response time for the server in question was extremely
high. Prior to having this visibility, the app, server, and network teams continu-
ally pointed fingers at one another as being the source of the problem.
With CloudGenix Clarity, the customer knew immediately that the primary
contributor to the poor performance was the server taking too long to re-
spond, and, that large file transfers were congesting the WAN at various times
throughout the day. Closer examination of the server in question revealed a
stuck process causing the CPU utilization to be stuck at 100%, which created a
significant delay in processing application messages. With CloudGenix Clar-
ity, both of these issues were identified in minutes, allowing them to resolve an
ongoing performance problem that had plagued them for months.
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