virtualized infrastructure journey – progressing to service assurance
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There is a dramatic growth in infrastructure virtualization due to market conditions and customer requirements. However, there are barriers in the successful adoption of virtualization due to various factors.Read to know the challenges in infrastructure virtualization and the solutions to have an assured infrastructure performance.Learn more about it from Xangati: http://xangati.com/TRANSCRIPT
Virtualized Infrastructure Journey – Progressing
to Service Assurance
Xangati Blog
Atchison Frazer Vice President, Marketing
Feb 23, 2015
Xangati Blog
The dramatic growth of virtualized infrastructures and cloud architectures is being driven by a
number of trending market conditions and customer requirements. Those market drivers include: an
increase in demand for mobile computing, wider acceptance of hybrid cloud services, and
implementation of so-called bimodal IT (conventional/digital). The associated benefits of the
virtualized movement are reduced costs, increased productivity, business agility and operational
flexibility.
However, there remain a number of significant barriers to widespread VI adoption:
• CISO’s still have a great need for granular security and policy management – at a virtual
machine level, as well as dealing with the threat of untrusted user security, anomalous traffic
patterns and management of failure domains in a virtual environment.
• The end-user experience also has to be top of mind to overcome perceptions that virtual
workspace infrastructure suffers from poor and unreliable performance, negatively affecting
employee productivity.
• Finally, even virtualizing desktops doesn’t necessarily eliminate the inherent weakness of
measuring service assurance if the conventional cross-silo functions (compute, storage,
networking), VI admins, end-users and line-of-business managers lack a common performance
analytics platform.
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Many IT organizations are still struggling with managing multiple interactional functions. For
example, with conventional, siloed management tools, VI admins are unable to perceive how
different functions, shared storage for example, affect all the other VI components, and they also find
it challenging to determine the root cause of performance issues.
What is needed to effectively operate a high performance VI environment in real time is the ability to
optimize the end-user experience from the following factors:
• Resolve performance issues faster by collecting and analyzing data from the entire
infrastructure out to the client devices
• Diagnostics to spot root cause of issues by correlating highly granular data
• Predict future resource contention storms and access dynamic remedial action
recommendations
• Support large VI environments with scalable in-memory architecture, while managing
performance of interrelated components from a single console
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Viewing performance issues through an operational maturity prism, the picture crystalizes in terms
of how leveraging service assurance analytics can become a business critical strategy to moving
from a reactive to a proactive to a predictive performance management posture.
At a baseline level, in which the enterprise finds itself in a totally reactive mode, typically you will see
disparate technology-specific organization silos with strong domain expertise. However, this type of
organization maintains only partial asset control, tends to deploy hardware-based provisioning, and
IT alone tends to define performance management tools.
At the next phase of operational maturity, you will typically see more converged infrastructure
spawned by cross-technology collaboration improvements spanning service support processes but
with limited compliance. Web services are more progressively adopted that allow applications to be
addressed without full understanding of the underlying technology. IT performance management
tools and service support processes are being optimized.
During the mid-journey phase of the continuum, where most enterprises and large organizations fall
today, a corporate virtualization strategy and hybrid-cloud roadmap exists, and a migration plan from
service-oriented architecture to contemporary API management is already defined.
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Additionally, high availability converged infrastructure services for virtualized applications are
delivered with performance information aggregated in real time across all VI components. This
makes it much easier to map applications to converged infrastructure and services, and deploy an
integrated ‘data analytics fabric’ for performance management and business continuity scenarios.
Integrated SLAs and OLAs (operational level agreements) and underpinning contracts are executed
with well-defined, cross-silo metrics captured and measured.
Following the continuum at the most progressive phase, the virtualized infrastructure is fully stable
and services are dynamically provisioned according to business priorities. Autonomic and adaptive
capabilities for self -healing and performance tuning are introduced into the environment. New virtual
applications can be assembled rapidly as composites of existing applications, while performance
management and governance start to converge through implementation of policy-based business
imperatives. At this stage, the organization implements a fully integrated approach to performance
so that end-to-end processes are optimized to meet defined business targets based on real-time
metrics reporting.
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Finally, at the business outcome phase, whereby the enterprise has achieved full operational
maturity in terms of a high performance virtualized infrastructure, infrastructure capacity and
utilization trends can be aligned to right-sizing goals for application services, and policy-based
performance management influences application and process behavior in real time. Unpredictable
peak capacity can be accessed on the fly, internally and/or externally by way of a hybrid-cloud
architecture platform. Key to delivering on service assurance targets is the reliance upon an
intelligent data analytics platform that provides a holistic, 360-degree health status view of the entire
virtualized infrastructure.
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