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Robert Wardin | Mobility Solution Architect — Wi-Fi

Spotlight On Gigabit Wireless Getting Your Arms Around the Future

Networking Data Explosion

•  Business Network traffic doubling in five years

•  BY 2018 most traffic (57%) comes from devices other than PCs

•  Global IP traffic – business and consumer – will reach 1.6ZB

Networking Becomes Wireless

•  Order of magnitude wireless increase by 2018

•  Blame BYOD – average 3 devices per user in 2014

•  M2M connections to hit 7B+ by 2018

•  Over 20 billion network connections worldwide

•  Wi-Fi will carry half of all the world’s network traffic within five years

2015  1997  

  Unified Access  

Unified Access Mobility

Mobility  Mobility

Pervasive IPv6, Next Generation Cloud Services

Wave 2 802.11ac,

HotSpot 2.0, VDI / VXI, Analytics & Intelligence

Virtual Components,

Wave 1 802.11ac, App Visibility &

Control

BYOD, 3SS 802.11n,

Unified Policy & Management,

Cloud Controller 1SS and 2 SS 802.11n with

Spectrum Intelligence Controller and

Coordinated Access Points

Autonomous Access Points

2012  15  Years   3  Years  

Increasing scale of users, devices and network components

Unified Access/ Mobility Trends

802.11ac: Trend Leaders

§  First clients already entering the market –  MacBook Air, Samsung Mega, HTC One

§  Fast growth –  Manufacturers like Apple will release 802.11ac

in future products, other manufacturers will follow

802.11n:  450  Mbps  

802.11ac: Expected 11ac Client Throughput

§  1 stream (80MHz) is 433Mbps §  2 stream (80MHz) is 866Mbps §  3 stream (80MHz) is 1300Mbps

Using the 802.11ac Performance Table, let’s drop it to ~70% MAC efficiency*

§  Assuming ~70% MAC efficiency*, what’s the real expected throughput?

–  Tablets from 460Mbps* –  High-end notebooks from

+680Mbps*

–  Refer to chart for *

802.11ac Performance Table

802.11n: 450Mbps 802.11ac: 1,300Mbps

802.11ac: A New Wi-Fi Standard

§  Built for next-generation networks: –  More devices, exponential bandwidth growth, ratified in December 2013 –  Nearly 3x the speed of 802.11n –  Operates at 5GHz – less interference and crowding than 2.4GHz (802.11 b/g/n) –  Capacity for more devices, HD video and bandwidth-intensive applications

802.11ac: Significantly Increased Speed

§  Speed increase comes from: –  Double the channel bandwidth:

•  80 MHz channels vs. 40 MHz in 802.11n

–  More efficient modulation: •  256 QAM vs. 64 QAM

in 802.11n –  Net result:

•  Nearly 3x faster than triple-stream 802.11n

802.11ac: Compatible with 802.11n

§  802.11ac compatibility with existing wireless networks: –  Works in 5GHz band Bbackward-compatible with 802.11a/n

networks –  Does NOT operate in 2.4GHz

•  802.11b/g/n will continue to operate in that band §  Networks will need to support:

–  2.4GHz band: 802.11b/g/n –  5GHz band: 802.11ac + 802.11a/n

§  Wireless networks will need to adapt RF settings for optimal capacity

2007  2003  1999  1997   2014  2013  

2

290 290

11

1300

870

54

24

6900

3500*

1730*

600

6900

450

300  

65

802.11 802.11n 802.11b 802.11a/g 802.11ac Wave1

802.11ac Wave2

Minimum

*  Assuming  160  MHz  is  available  and  suitable  

1 Spatial

Streams

3 Spatial

Streams

8 Spatial

Streams

Gig

abit

Eth

ern

et U

plin

k

2 G

igab

it E

ther

net

Up

links

802.11n 802.11ac Band 2.4GHz and 5.0GHz 5.0GHz only

PHY Rate 65 Mbps—600 Mbps 290 Mbps—6.9 Gbps

MAC Throughput 45 Mbps—420 Mbps 194 Mbps—4.8 Gbps

Spatial Streams 4 8

Modulation 64 QAM 256 QAM

Channel Width 20 or 40 MHz 20, 40, 80, *80+80, 160 MHz

802.11ac: Compatible with 802.11n

Feature Wave 1 – 2013 Wave 2 – 2014/2015 Features still in discussion

PHY Rate 1.3 Gbps 1.3 Gbps 1.73 Gbps 2.6 Gbps 3.5 Gbps

# of Spatial Streams 3 3 4 3 4

Modulation 256 QAM 256 QAM 256 QAM 256 QAM 256 QAM

Channel Width 20, 40, 80 MHz 20, 40, 80 MHz 20, 40, 80 MHz 20, 40, 80, 80+80, 160 MHz

20, 40, 80, 80+80, 160 MHz

MIMO Single User Multi User Multi User Multi User Multi User

802.11 protocol support a, n, ac a, n, ac a, n, ac a, n, ac a, n, ac

Ethernet Uplink GbE GbE, mGiG and 10GbE

802.11ac

802.11ac Checklist:

q  Switchpower: 802.3at PoE+ q  Pull the second CAT6 cable for future modules to

save on cost on labor q  Switching uplinks, prepare for 10 GIG connections

from edge to distribution/core q  Controller code 7.6 MR2 or higher q  Remove legacy access points for better performance q  Retire those “B” clients and turn off that rate! q  Perform a wireless assessment best practice

Why CDW?

Cisco Gold Certified Partner §  First partner to achieve

status in all four:

CDW awards for 2013 §  Global: Architecture

Excellence — Data Center §  Americas: Americas Services

Partner of the Year §  U.S. Nationals: Commercial

Partner of the Year

1,400+ Cisco Professional Certifications

CDW Wireless Offerings

SERVICES §  Site Surveys §  WLAN Design §  Hardware Configuration §  Deployment §  Readiness Assessments §  Post-Install Support §  Knowledge Transfer §  Security Assessments §  Remote Managed Services

SOLUTIONS §  Unified Wireless

Architecture §  Autonomous Access Points §  Indoor and Outdoor Mesh §  Wireless Voice-over-IP §  BYOD §  RFID/Asset Tracking §  Point-to-Point Bridging

For more information, visit CDW.COM/wifi