The Challenges of Mobile Connectivity Logistics & Infrastructure Track.
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Transcript of The Challenges of Mobile Connectivity Logistics & Infrastructure Track.
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The Challenges of Mobile Connectivity
Logistics & Infrastructure Track
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The Challenges of Mobile Connectivity
John Matthews – Alcatel-LucentTom Anderson – Shenandoah Univ
Dempsey Peterson – Abilene Christian Univ
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WLAN Trends and Challenges
John Matthews
Senior Systems EngineerAlcatel-Lucent Enterprise, North America
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Copyright © 2011 Alcatel-Lucent. All rights reserved.
Migration to .11n
Still supporting a/b/g, but .11n is taking off as an overlay
New dormitory construction with fewer Ethernet ports in rooms
Opting for pervasive WLAN coverage
WLAN expansion into instructional areas
Move from public and outdoor green spaces to academic areas
Dense AP coverage
Proliferation of mobile devices
Behavior of mobile devices vs. computers
WLAN Trends in Higher Education
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Copyright © 2011 Alcatel-Lucent. All rights reserved.
Move to structured architecture
Away from COWs with standalone AP/Router.
Need to support 2014 National Core Curriculum Assessment Testing
1:1 Computing expansion
Districts opting for providing laptops or mobile devices
Host Integrity Checking
Districts allowing student owned devices to access the network
Need to confirm alignment with security policies and AV posture
Voice over WLAN
In lieu of Mobile phones – cost containment Still usable outside for lunch/recess or bus duty
WLAN Trends in K-12 Education
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Copyright © 2011 Alcatel-Lucent. All rights reserved.
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Mobile Learning &Your Wireless
Network
Tom AndersonApple Network EngineerShenandoah University
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iMLearningIntegrated Mobile Educational Experience
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Planning First Year
Expected significant increasein usage
Existing APs upgraded to 802.11n
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Planning First Year
Increased coverage by re-purposing older APs
Increased number of APsfrom 120 to 160
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The First Year
Added 1300 devices
MacBook, iPhone, iPod touch
35% load increase
1000 simultaneous at peak
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Planning Year Two
Existing APs upgraded to 802.11n
Increased coverage by re-purposing older APs
Now up to 190 APs
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The Second Year
Added another 1600 devices
Added iPad & iPhone 4
Traffic peaking at 55 Mbps
Peaked at 1400+ connections
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What Did We Learn?
More wireless devices = more demand
Especially in Residence Halls
Make sure you have sufficient internet connection
More time managing the wireless environment
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Future Plans
Upgrade Residence Halls to 802.11n
100 Mb internet connection in RHs
100 Mb internet connection for main campus
Cloudpath XpressConnect
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Dempsey Peterson
Abilene Christian University
Network Administrator - Wireless
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Expectations
• Communicate with your customer• Understand how will your infrastructure be
used• Develop a multi-year plan• Implement improvements before they are
needed
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Applications
• Keep track of new technology• Know how your infrastructure will be affected• Baseline your wireless network• Be proactive
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Device Density
• “Steer” devices to the 5.8 MHz “a” band• Don’t “over install” access points• Don’t be afraid to reduce AP transmit power• Understand the limitations of your network
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The Challenges of Mobile Connectivity
Questions
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The Challenges of Mobile Connectivity
John Matthews – Alcatel-Lucent [email protected]
Tom Anderson – Shenandoah Univ. [email protected]
Dempsey Peterson – Abilene Christian Univ. [email protected]