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XO Communications: PUBLIC OR PRIVATE? HOW TO DECIDE WHICH TYPE OF CLOUD IS RIGHT FOR YOUR BUSINESS

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Cloud computing continues to grow, with everyone from small businesses to large enterprises interested
in taking advantage of the cloud’s many benefits. As organizations explore their cloud options, one of the
first choices they’ll be faced with is whether to go with a public cloud provider or to investigate a private
cloud solution. Deciding which option to pursue depends on a number of factors; specifically performance
requirements, security concerns, compliance issues, and network scaling needs. Consult the chart below
to determine which cloud environment may be best for your specific situation.

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XO Communications: PUBLIC OR PRIVATE? HOW TO DECIDE WHICH TYPE OF CLOUD IS RIGHT FOR YOUR BUSINESS

  1. 1. xo.com © 2014 XO Communications, LLC. All rights reserved. PUBLIC OR PRIVATE? HOW TO DECIDE WHICH TYPE OF CLOUD IS RIGHT FOR YOUR BUSINESS Cloud computing continues to grow, with everyone from small businesses to large enterprises interested in taking advantage of the cloud’s many benefits. As organizations explore their cloud options, one of the first choices they’ll be faced with is whether to go with a public cloud provider or to investigate a private cloud solution. Deciding which option to pursue depends on a number of factors; specifically performance requirements, security concerns, compliance issues, and network scaling needs. Consult the chart below to determine which cloud environment may be best for your specific situation. Public Cloud Private Cloud Performance • Offers best effort level of service, typically with no service level guarantees • Appropriate for situations where your front end system connects with a back end system that lives elsewhere (e.g. in a public cloud or within your enterprise) • May be appropriate for TestDev situations, or situations that don’t include sensitive data • Typically accessed via the public Internet • Brings network performance and SLAs to the cloud experience • Typically accessed via VPN based network connections • Opens up more applications to cloud migration (IaaS/PaaS/SaaS) • May be appropriate for real-time applications like VoIP, video and virtual desktop environments Security • Must be planned and implemented throughout: in the cloud instance, at the VM level, etc. • Must ask questions about and understand what resources are shared, what controls are in place to keep your data separate and what the vendor’s capabilities are in terms of meeting your compliance needs • Access via the public Internet may increase potential security issues • Brings your cloud resources “inside” from the Internet, so data remains on your network • Insulates from DDoS attacks, conflicts with other network traffic, inappropriate network use, etc. • Leverages existing functions like secure remote access • Must understand what’s shared and what’s not, and what controls are in place to keep your data separate • Ask about your cloud provider’s certifications (ITIL, SSA16, etc.)
  2. 2. xo.com © 2014 XO Communications, LLC. All rights reserved. Public Cloud Private Cloud Compliance • Can be achieved, but it takes much more work • Highly provider-dependent • Keeping data in your network gives you greater leverage of existing compliance mechanisms in place Network Scaling • Allows for the most efficient connectivity For data-intensive internal applications, will drive access requirements, firewall/ security infrastructure demands • Can simplify connectivity and reduce access and resource demands. Provides for internal control of network resources XO Communications is a leading nationwide provider of advanced IP communications, intelligent networking and cloud computing services for business, large enterprise and wholesale customers. These customers include more than half of the Fortune 500, in addition to leading cable, mobile wireless and domestic and international telecommunications companies. XO offers a superior customer experience through its innovative solutions, its employees’ focus on customers and the proven performance of its advanced network. To learn more about XO Communications, visit www.xo.com or blog.xo.com. XO Communications is also on Twitter, YouTube, Facebook and LinkedIn. This serves as a guide to selecting a vendor for a multi-cloud network solution, but is not intended as an endorsement of any given method, solution or device. XO makes no representation of warranty, expressed or implied, as to the accuracy or completeness of the information contained in this document, and nothing con- tained herein is, or shall be relied upon as, a promise, representation, or legal advice. Next Step? Get a free consultation with a XO Network-Enabled Cloud expert, call XO at 1.888.990.4899 today.

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