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Three BYOD approaches -- and the budget impact

By Ennio Carboni, president of Ipswitch's Network Management Division, special to Network World
September 12, 2012 03:09 PM ET

Network World - This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter's approach.

Love it or hate it, BYOD is likely already affecting security, network performance and your budget (it can drive up costs by more than a third, according to some researchers). Here are three approaches to address these challenges.

ANALYSIS: How BYOD has changed the IT landscape

* The Frugal Approach: Some IT departments are "securing" their network by isolating all tablets and smartphone devices to a separate VLAN, outside the corporate network, where the only way to access internal resources is via VPN. There are no specific mobile management capabilities, so IT utilizes existing network management solutions to monitor network traffic inside and outside the VLAN to detect suspicious activity and ensure new demands on network bandwidth are being met. Does it work? Yes, for some organizations.

Is it optimal? No. You still lack visibility to discover who are the top bandwidth consumers and track these trends in the long term. Will it fit your existing IT budget? Yes, since you are probably repurposing the tools that you already have in place. 

* The Big Brother Approach: Some IT departments are willing to spend on dedicated mobile management capabilities. Costs add up quickly as more devices are introduced to the network. There are several approaches here as well -- at various costs -- but this approach is best for larger organizations or public companies that must met compliance regulations. For example, you can focus on the mobile endpoints and force end users to use a password. Another area to explore is encryption of any sensitive data, such as corporate email. You can select a SaaS solution that creates a so-called "dual-persona" environment where some apps and data are cordoned off for enterprise use, others for personal use.

You can also spend more and purchase highly advanced functionality. For example, you can register and remotely manage all corporate mobile devices deployed on a network, from initial configuration and setup to automatically applying and tracking corporate policies. With some of these solutions, you can do very cool things such as enforce pass-code locking, or even wipe out all enterprise content when a device is lost or stolen, while maintaining personal files such as music, pictures or videos. As you can imagine, this advanced functionality comes at a high cost.

MORE: Is your BYOD policy out-of-date?

* The Wireless Pane of Glass Approach: Many IT organizations are focusing on managing their underlying wireless infrastructure -- like Cisco and Aruba wireless LANs -- while at the same time understanding who's using their wireless networks and for what purposes. Capabilities offered in this space range from live maps of controllers, LWAPs and user devices, to detection of rogue access points or reports on the encryption level and configuration of access points.

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