1. GOOD MORNING AND THANK YOU! 1 of 320

2. Jon Lee Core Vision IT Solutions Wireless Practice Manager jlee@cvits.com 414.455.0729 25 years in technology sales, design and engineering Background includes Cisco, Ciena, Dell/Force10 and Xirrus

3. Agenda Wireless basics Designing for 1:1 802.11ac Common Core Testing

4. Wireless Basics

5. 2 Bands 2.4GHz is reaching end of the line for performance Future is in 5GHz and other frequencies 802.11a 54Mbps 802.11n 600Mbps 802.11ad >5Gbps 60GHz 802.11g 54Mbps 802.11ac 1Gbps 2013 199920002003200420072008200920102012 802.11n-Draft 300Mbps 2011 2.4GHz 5GHz 802.11n-Draft 150Mbps (non-bond) 802.11n 300Mbps (non-bond) 802.11b 11Mbps

6. Bands and Channels Two frequency bands used in Wi-Fi (27 channels) 2.4GHz – used by 802.11b/g/n clients 3 non-overlapping channels Limited bandwidth, prone to interference 5GHz – used by 802.11a/n clients 24 non-overlapping channels 8X the bandwidth, Less potential for interference 2.4GHz 5GHz

7. Design it to Perform Wireless networks must be designed for tablets & netbooks –Spotty coverage insufficient Signal must be solid in all areas ––65dBm minimum –Perform Live Site Surveys Full coverage for both Wi-Fi bands –2.4GHz as the Lowest Common Denominator –5GHz for most tablets & BEST performance

8. Designing for 1:1

9. Some Considerations Applications How much bandwidth? End Devices What type of devices? How many? Bandwidth Internal (switching) External (Internet pipe) Building Construction Budget

10. “Old” Designs

11. “New” Designs

12. Math Behind Wireless 300 Mbps radios 300 Mbps is duplex number so…. 150 Mbps is real number Subtract Ethernet overhead (30%) Leaves just a little over 100 Mbps 450 Mbps radios (same math with slight improvements) Leaves about 150 Mbps Hi-def video is about 7 Mbps 25 students uses about 175 Mbps Hopefully ALL are following along watching SAME video How to get around it? Multicast at wireless edge/Layer 7 controls This is why 1 radio PER CLASSROOM or one (1) 2-radio AP per classroom are designed

13. 802.11ac (not air conditioning)

14. 802.11ac highlights Developed 2011 to 2013 Standards Approved Jan. 2014 Few AP’s available support ac (residential) – Commercial AP’s now starting to ship Few end devices supporting ac (Apple, Samsung, HTC) Wave 2 will begin this year, particularly for commercial and education 3 data streams @ 433 Mbps yields about 1.3 Gbps – Yields roughly 500 Mbps switching equivalent – Could support 70 users all streaming high def video! (2 rooms per AP) Design using standard 5G spectrum coverage

15. Common Core Testing

16. Common Core in Wisconsin Mandated 2014-2015 school year – Are you ready? – Do you have a plan? – Start thinking about it! AZ estimated cost to be $250 Million to have all schools ready E-rate NOT funding infrastructure for 2013/14 school year E-rate expected to fund for 2014/2015 Get close to your Superintendent (Bonds, grants)

17. What You Need To Plan For Infrastructure- Gig Speed backbone is the goal – Fiber, Wi-Fi, Switches, Routers, etc. that can handle 1 Gbps load The ability to handle a minimum of 35+ devices per classroom (1:1 and BYOD) – That number is of course low. The real number is 50-75 devices within 2 years. – Wi-Fi must be able to operate at the same level as a wired network Must be able to test up to 500-1,000 students at the same time for an extended period – The stress on the network is growing exponentially! Broadband- More speed Captain! – The Federal and state initiatives are calling for 500 Mbps to each school site and 1Gbps within 3 years to the schools site – Currently schools avg 10 Mb per site Mobile Devices by the bucket load – Laptops, tablets, Netbook now. Production of such devices has reached a record and yet they have only shipped 5% of what is needed to meet the demand for the coming 2 years.

18. Possible Options Mobile Cart WITH AP Redesign wireless network – Relocate and augment? – New AP’s? 802.11ac? – Add more AP’s? Channel interference (reduce power on AP’s) Gartner predicted that by 2015, wireless networks installed just a few years ago would be obsolete

19. Questions? Please ask! Jon Lee Core Vision IT Solutions Wireless Practice Manager jlee@cvits.com 414.455.0729