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Cisco Confidential © 2013 Cisco and/or its affiliates. All rights reserved. 1
Leveraging 802.11ac: The Next Generation of Wireless for Higher Education
Bill Rubino –Mobility Solutions Marketing Manager. Cisco
Greg Sawyer – Manager of Communications Services, University of New South Wales
July 2013
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 2
• What is 802.11ac?
• The Need for 802.11ac
• 802.11ac Fundamentals
• Cisco’s 802.11ac Portfolio
• 802.11ac Use Cases
• University of New South Wales – 802.11ac Use Case and Experience
• Summary
• Q&A
2
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 3
What Are the Features? What is 802.11ac?
• Most efficient Wi-Fi standard to date
• Optimized for high bandwidth
applications
• Backwards compatible with 802.11n
• Provides better coverage in dense
environments
• Optimized for better client battery life
• Wider Channels and More Spatial Streams than
802.11n
• Datarates Up to to 1.3 Gbps (Wave 1) & 6.9
Gbps (Wave 2)
• Operates in 5GHz Band only
• Multi-user mode – “Switch-like”
• Noticeably faster connectivity enabling an enhanced Quality of Experience for the end user
• Wired-like experience at higher speed
• Significantly better client battery life
• Client device adoption will be rapid to take advantage of extended battery life
What to expect with 802.11ac
3
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 4
BYOD Mobility Higher Bandwidth
Applications
The rapid adoption of client
devices including 802.11ac
Increasing demand more
bandwidth and performance
throughout the network.
Both cloud-managed and
enterprise solutions are seeing
more Bandwidth intensive apps
in the network
© 2013 Cisco and/or its affiliates. All rights reserved. PSOEWN-2001 Cisco Public
Waves
65 Mbps
300Mbps
450 Mbps
600 Mbps
54 Mbps
24 Mbps
11 Mbps
2 Mbps
802.11 802.11b
1999
802.11ag
2003
802.11n
2007
290 Mbps
870 Mbps
1300 Mbps 3SS@80
6900* Mbps 8SS @ 160
802.11ac (Wave 1)
2013
290 Mbps 1SS @ 80
1730 Mbps 2SS @ 160
2430* Mbps 3SS @ 160
3500* Mbps 4SS @ 160
6900* Mbps 8SS @160
802.11ac (Wave 2)
2015+
802.11n 802.11ac
Band 2.4 GHz & 5 GHz 5 GHz
PHY Rate 65 Mbps – 600 Mbps 290 Mbps – 6.9 Gbps
MAC Throughout 40 Mbps – 360 Mbps 174 Mbps – 4.1 Gbps
Spatial Streams 4 8
Modulation 64 QAM 256 QAM
Channel Width 20 or 40 MHz 20, 40, 80, *80-80, 160 MHz
MIMO Single User (SU) Multi User (MU)
* Assumes 160 MHz channel width is available and usable
5
© 2013 Cisco and/or its affiliates. All rights reserved. PSOEWN-2001 Cisco Public
The 802.11ac specification will be brought to market in 2 phases or “Waves”
Feature Wave 1 – 2013
Wave 2 – 2015
Features still in Review by Chipset Vendors
PHY Rate 1.3 Gbps 1.3 Gbps 1.73 Gbps 2.43 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 2xGbE up to 10GbE
6
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 7
7
Throughput PHY Rate (Mbps) Goodput (Mbps)
Client 1 Average 325 (1300 * .25) 227.5*
Client 2,3,4
Average
325 (433 * .75) 227.5*
Peak 1300 715*
Overall Average
(Capacity)
650 455
Client-1 3SS M9 80MHz
Client-2 1SS M9 80MHz
Client-3 1SS M9 80MHz
Client-4 1SS M9 80MHz
AP Peaks @ 1300 Mbps Maximum PHY Rate
433 Mbps Maximum PHY Rate With 1 SS clients
* Assumes Client MAC efficiency of 55%
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 8
Client-1 3SS M9 80MHz
Client-2 1SS M9 80MHz
Client-3 1SS M9 80MHz
Client-4 1SS M9 80MHz
Client-1 3SS M9 80MHz
AP Peaks @ 1300 Mbps Maximum PHY Rate
433 Mbps Maximum PHY Rate per 1 SS clients
1300 Mbps Maximum PHY Rate With 3 SS client
Throughput PHY Rate (Mbps) Goodput (Mbps)
Client 1 650 (1300 * .5) 355*
Client 2,3,4 650 ((433*3) * .5) 355*
Peak 1300 715*
Overall Average
(Capacity)
1300 710
* Assumes Client MAC efficiency of 55%
Client-2 1SS M9 80MHz
Client-3 1SS M9 80MHz
Client-4 1SS M9 80MHz
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 9
• Initiator transmits multiple RTSs on free channels
• Responder transmits CTSs on channels it:
Received an RTS
Senses as free
Supports bandwidth-wise
• Initiator transmits data only over free channels
9
Channels not clear
at receiver
RTS
RTS
RTS
RTS
CTS
CTS
Data frame
Time
Fre
que
ncy
Initiator Responder Other
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 10
Intel® Dual Band
Wireless-AC 7260
shipping today
LinkSys 1x1
AC USB
802.11ac mobile
devices
CY 2012 CY 2013 CY 2014
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Consumer class
devices from
Linksys and
Netgear
Cisco 802.11ac
Module for Aironet
3600 Series
Apple releases
MacBook Air with 11ac
802.11ac Wave2
Starts to Roll
1H CY15
IEEE 802.11ac
Ratification Wave 2
HTC One
ZTE Grand Memo
Samsung S 4
Wave 1
…
WFA Certification & IEEE Timeline
10
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 11
BW
(MHz)
# Spatial
Streams
MCS
(QAMr5/6)
PHY Rate
(Mbps)
MAC Thru-
put (Mbps)*
80 1 64 290 175
80 1 64 330 200
80 1 256 430 260
80 2 64 650 390
80 2 256 870 520
80 3 64 980 590
80 3 256 1300 780
80 4 256 1700 1020
80 8 256 3500 2100
Smartphones from 260 Mbps*
Tablets from 520 Mbps*
High End Laptops from 780 Mbps*
802.11ac Performance Table
* Assumes 60% MAC efficiency
Not all Clients will be created equal – early chip drops and quality of components - mileage will vary
Rate & Range, Environment and Deployment will impact coverage and quality
1x1
2x2
2x2
3x3
Single GbE port on the AP3600 - More than sufficient bandwidth
from the full duplex GbE port on the AP3600
802.11ac Wave 1 Potential Throughput @ 80 MHz faster connectivity = shorter active radio time = better battery life
11
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 12
• Field-upgradable 802.11ac module for the 3600 Series, enables a seamless migration to next generation wireless
No rip and replace of APs, plug-in and go!
• 802.11ac - 5 GHz Module
1.3 Gbps PHY - 80 MHz @ 3SS with 256 QAM (Wave 1 – Draft 5)
3 Spatial Streams, 20/40/80 MHz channels, 256 QAM
SU-MIMO
Explicit Compressed Beam Forming (ECBF) support as per the 802.11ac specification
• AP3600 operates 3 active radios, 2.4 and 5 GHz integrated and the 802.11ac 5 GHz module
Supporting b/g/n on 2.4 GHz and a/ac/n on 5 GHz
• 18w of Power required for the 3600 with the 802.11ac Module installed
Power draw with 802.11ac Module exceeds 15.4 Watts (802.3af), and will require either Enhanced PoE, 802.3at PoE+, Local Supply or Power Injector 4
• Single GbE port on the AP3600 - More than sufficient bandwidth from the full duplex GbE port on the AP3600
• Each module ships with a Universal Mounting Brackets (Bracket-2)
12
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 13
• Field upgradable add-on Module to 3600 Series Access Points
• Independent 5 GHz radio, with integrated antennas
3x3 - 3 Transmit and 3 Receive
• 3600 with the 802.11ac module requires 18w of power:
Cisco Enhanced PoE; 20w configured on a per port basis
802.3at PoE+; 25.5w delivered to a client device
Power Supply
Power Injector
• Dimensions: 8.46 x 2.5 x 1.97 in. (21.48 x 6.35 x 5 cm)
• Weight: 1 lb (0.45 kg)
• 2 hand turned screws to secure the 802.11ac module to the 3600
The two screws must be secured in order for the WSSI to be recognized and made operational
• 802.11ac module antenna patterns are the same as the 3602I AP’s integrated antennas
13
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 14
• Both 5 GHz are operational and working in concert
Both 5 GHz radios will work (listen and transmit) on the same channels
The integrated 5 GHz radio using the 1st or 2nd of the 4x20 MHz channels with an 80 MHz wide 802.11ac channel
• “Radio Steering” Logic
Access Point will differentiate between 802.11a, 802.11n and 802.11ac clients and direct appropriately to 1 of the 5 GHz radios
802.11a and .11n clients will be supported on the integrated 5 GHz radio
802.11ac clients will be supported on the 802.11ac 5 GHz Module
802.11ac Module 80 MHz channels 100-104-108-112
Integrated 5 GHz Radio 20 MHz Channel 100
Or
Integrated 5 GHz Radio
40 MHz Channel 100-104
14
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 15
• Industry's First Vendor to announce the intention of supporting 802.11ac Wave 2 Module
• Taking advantage of the Modular Designed of the 3600 Series Access Points, Customers can future proof their existing network for advanced technology such as 802.11ac Wave 2 Standard
• Featuring MU-MIMO for switch-like performance in a wireless environment
• Higher Bandwidth support via additional Spatial Streams and wider Channels
15
802.11ac Customer Use Cases
• Higher bandwidth use in Hotspots provides a differentiation from
the competition
• Generate more revenue by charging for more bandwidth
• Customer get a much better user experience through
hotspot access to high BW Apps such as Netflix or Hulu
Plus
• Continued shift to 5 GHz will offload the already crowded 2.4 GHz
Higher Education K-12 Education
• Hospitals can transfer large MRI Images or provide live viewing
from remote locations in the hospital.
• Deploy in Density high-density conference areas and meeting
rooms to address issues resulting from more devices
• Faster File transfer means less contention on the network for
other applications
• Collaborative Classrooms with HD Video
• Example: Multi-screen HD video is streamed live to
802.11ac and 802.11n enabled devices in classrooms
Service Provider
Higher Education Healthcare
K-12 Education
16
802.11ac Use Case and Experience
24th July 2013
UNSW IT – Greg Sawyer – Manager Communication Services
UNSW Campus
Main campus site 38
hectares
Leading research
intensive University
25 Remote sites
across NSW
UNSW Students and Staff
UNSW UniWide Wireless Network Wireless Core 6509E pair
• 5 x WISM2 Pairs (n + 1 redundancy)
• ASA-SM Firewalls
Wireless Access Points
• 1,600 x 1142/ 3502 (a/g/n)
• 1,200 x 3602 (a/g/n/ac)
Connections
• >21,000 concurrent wireless connections peak
• >60,000 unique devices connecting per quarter
Access
• Authenticated utilising AD
• Integrated to Eduroam
• SSID – UniWide, Guest and Eduroam
Support
• Prime Infrastructure 1.3 (1.4 August 2013)
• Controllers 7.4 (7.5 August 2013)
Wireless Network Growth
0
500
1000
1500
2000
2500
3000
Apr-11 Jun-11 Aug-11 Oct-11 Dec-11 Feb-12 Apr-12 Jun-12 Aug-12 Oct-12 Dec-12 Feb-13 Apr-13 Jun-13
Wireless Network Growth
0
5000
10000
15000
20000
25000
Jul-11 Aug-11 Sep-11 Oct-11 Nov-11 Dec-11 Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-12 Sep-12 Oct-12 Nov-12 Dec-12 Jan-13 Feb-13 Mar-13 Apr-13
Summer Break
Summer Break
Mid year Break
Session 2 2011
Session 1 2012
Session 2 2012
Session 1 2013
Network Growth
0
50
100
150
200
250
Jan-10 Mar-10 May-10 Jul-10 Sep-10 Nov-10 Jan-11 Mar-11 May-11 Jul-11 Sep-11 Nov-11 Jan-12 Mar-12 May-12 Jul-12 Sep-12 Nov-12 Jan-13 Mar-13 May-13
Downloads in Tb
Uploads in Tb
Dual 10Gb Internet connections
25
Why 802.11ac?
Future proofing
Students will want, maybe not need initially
Build it and they will come
26
UNSW Wireless roadmap 802.11AC
• 4 x 802.11AC access points deployed with beta
• Beta 7.5 controller code
• Clients – Samsung Galaxy S4, MacBook Air and 802.11ac wireless dongles
Wireless Access Points
• >350 802.11AC access points deployed in Library tower Aug 2013
• 1,200 3602i access points and 802.11ac modules deployed before Nov 2013
• 1,000 additional 3602i access points 802.11ac modules in 2014
• 750 x 702 AP’s deployed in residential halls before Jan 2014
• Total access points in 2013 will be > 3,500 & in 2014 will be > 4,500
Support
• Prime Infrastructure (upgrade latest version when released)
• Controllers 7.5 to 8.1 (when released)
27
UNSW Cisco Alley
28
UniWide before and after 802.11ac
29
UniWide before and after 802.11ac
30
Challenges
Support
Refresh vs expansion
Perception
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 31
Twitter:
• @Cisco_Mobility
Facebook:
• facebook.com/CiscoWireless
Collateral and Blogs
• cisco.com/go/wireless
• cisco.com/go/3600module11ac
• blogs.cisco.com/wireless/
31