1. Case Study
University of Miami, Miller School
of Medicine

2. Introduction
• Miller School of Medicine
(at the University of Miami)
– The only academic medical center in South Florida
– Serves more than five million people
– Earned international acclaim for research, clinical
care and biomedical innovations
• Personnel
– 6,000 employees
– 1100 faculty physicians
– 1200 residents
– 1000 students

3. Introduction
• Locations
– 76 acre complex
– 2.5 million square feet
– 1.5 square miles
– Primary care centers and clinics throughout South
Florida
• Kendall, Miramar, Plantation, Deerfield, Naples, Miami VA,
Cedars
– Hospitals
• Jackson Memorial Hospital, Ryder Trauma, Sylvester
Cancer, Bascom Palmer, UM Hospitals and Clinics,

4. Introduction

5. Vision
• Enable appropriate access to any
network or information resource
– For anyone
– Anywhere
– At any time
• Convergence of biomedical
technology and IT technology
– Wireless patient charting systems
– Mobile EKG machines
– Patient monitoring beds
– And more

6. Goals
• Deploy truly pervasive
wireless access
• Support a full range of
data, voice and video
applications
• Ensure coverage across a
large and geographically
dispersed facility

7. Approach
• In 2002, deployed wireless access points
– Cellular biology classrooms (student use)
– Bascom Palmer Eye Institute hospital operating
rooms (support mobile clinical information
systems)
• Deployed mobile wireless carts in other
hospital areas
– Registration
– Medical records access
– Patient scheduling
– Clinical information applications
• Expanded classroom coverage throughout
the medical school

8. Challenges
• Rogue access points
• Co-channel interference
• RF planning and site surveys
• Constant shifts in density requirements

9. Solution
• Meru Networks’ Wireless LAN System
– Air Traffic Control technology
– Virtual Cell technology eliminates handoff delays creating
seamless access
– Single channel deployment
– Automatically optimizes coverage Among APs in a given
area
– Dynamically balances user loads among nearby APs
• Vernier Networks’ Edgewall 7100 series
• Juniper Networks’ 4000 series SSL VPN concentrator
• TippingPoint 2400 series enterprise-wide IPS
• 3Com Singleport Power-over-Ethernet Midspan
• PowerDsine 3006 6-Port Power over Ethernet
Midspan

10. Avg Daily WiFi users
Solution
Clinical_Wireless Authenticated Users,
SecureOR, 133 107
Authenticated Users
Vocera Badges, 207 Unauthenticated Use
Unauthenticated Users Private_Wireless
(Guests, PDAs, Vocera Badges
Smartphones, etc.), 317 Clinical_Wireless
Private_Wireless
SecureMD, 218

11. Solution (cont’d)
• Vocera IP voice communication
badges
– Effective and efficient means of
communication
– Indoor / Outdoor coverage
– Medical Center and remotes (WAN)
• Deployed “Community Cloud”
– Medical Center
– 1.5 square miles of outdoor wireless
coverage

12. Solution (cont’d)
• Facilities work order management system
• Uses wireless barcode readers
• Access to preventive maintenance schedules or
maintenance histories
• Order parts for heating, cooling and other systems
• Installed a facilities work order management system
• Next on the horizon, Wi-Fi based RFID
• Patient Tracking
• Staff and Assets
• Optimizing Hospital Workflow

13. WLAN Architecture

14. Faculty, Staff, Student and Visitor
Access

15. Results
• One of the most extensive wireless LAN deployments in North America
• Network carries from 700 to 2200 concurrent wireless connections
• Pervasive WLAN infrastructure enables
– Voice
– Database access
– Patient information data collection
– Email
– Internet access
– Streaming video
– Facilities maintenance
– RFID
• Significant ROI
– Eliminates costs associated with site surveys or RF planning and recertifying
– Leverages a single infrastructure to deliver voice and data application
– Reduces operational support staff

16. Critical Success Factors:
Lessons Learned
• Challenges faced
– New product, new technology, and new company
• What was easier?
– Deployment, Management, and Support
• What was harder?
– WAN support, Outdoor coverage, Rogue AP Detection and Mitigation
• Things that went well
– Network Design, Application support, and Client access
• Things to avoid
– Complex Network Design (latency)
• Things you would have done different
– None
• What was unique about your experience?
– Large campus and older buildings
• Vendor role (+/-)
– Crucial involvement with vendor SE during initial phase of the project

17. Recommendations
• For other customers
– Identify Objectives
– Proof of Concept
– Test Applications and Network
Design
– Controlled Pilot
– Deploy

18. Case Study
Osaka Gas

19. Introduction
• Osaka Gas
• Japan’s 2nd largest utility company
• Distributes natural gas to 6.6 million
customers, or about 25% of the total
number of customers in Japan.
• Its service area covers 69 cities and 41
towns in six prefectures.

20. Problem
• Osaka Gas received industry-wide attention
in 2005 with the announcement of its plan to
install 6,000 wireless IP phones across its 49
offices.
• Vision: Create the ultimate address-free
office environment with anytime, anywhere
access via wireless laptops and telephones
• “Change Our Work Style” technology initiative
– Become the largest voice and data fixed mobile
convergence solution

21. Approach
• Meru Wireless LAN System
– 800 AP200 Access Points
– 72 MC1000Controllers
– Meru Voice Service Module (VSM)
• Enables advanced VoIP services over the wireless
networks
– Call admission control
– Load balancing of calls based on the resources available
• 6,000+ dual-mode FOMA/Wi-Fi N900iL
phones
• NTT DoCoMo’s Cellular/Wi-Fi service

22. Approach

23. Results
• Support for seamless VoIP mobility
– Virtual Cell enables all physical APs to appear as a single
virtual AP
– Voice clients experience seamless roaming with no loss in
quality or dropped calls.
• Simplified deployment
– Eliminated the need for complex RF site surveys via single-
channel operation of APs
• Scalability
– Technology delivers intelligent contention management and
load balancing to deal with the bandwidth demands of high-
density deployments.

24. Results
• HQ + 50 offices, 6000 employees
• 6000 WLAN/FOMA dual mode phones; 8000 data
devices
• All desks completely unwired
• Wiring only in selected areas: conference rooms,
disaster recovery

25. Number of office extensions（including conventional phones）
Fax, other
1,000
Fax, other Conventional
1,000 phones
Conventional 3,000
Office ext. 2,000
11,000 Total: 13,000
Fixed IP Phone
Total: 4,000 IP Phones
16,000 Wireless IP Phone 10,000
2,000
Mobile IP-FOMA
4,000 4,000
Current After IP-Phone deployment
p10

26. Cost reduction
 Annual cost savings of 450 million
Million Yen
Relocation costs
150
? 450
Equipment costs
380
1,090 Relocation costs
50
Inter-office network Equipment costs
330 230 640
Inter-office network
190
Outside call charges
230 Outside call charges
170
Mobile phone charges Mobile phone charges
360 330
? 30
Currently After deploying IP Phone
p11

27. Scale
500 Phones in One Area
• Simultaneous Association
• Load Balancing
• Call Admission Control (CAC)

28. Benefits
• Total wireless VoIP solution is expected to save an
estimated ¥450,000,000 JPY($4M USD) per year
• Voice calls running over the corporate wireless LAN
indoors, and handing off to NTT DoCoMo’s cellular
service when roaming outdoors
• Single converged WLAN infrastructure for toll-quality
voice and high-density data services
• Effortless access point (AP) deployment with no need
for channel planning or complex site surveys