the internet of everything is changing everything€¦ · enterprise wlan: evolution, trends &...
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![Page 1: The Internet of Everything is changing Everything€¦ · Enterprise WLAN: Evolution, Trends & Future Challenges Pavlos Ginatzis, Datacom Solutions Specialist, Networking Solutions](https://reader033.vdocuments.site/reader033/viewer/2022042402/5f10d0c37e708231d44af38e/html5/thumbnails/1.jpg)
The Internet of Everything is changing Everything
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Enterprise WLAN: Evolution, Trends & Future Challenges
Pavlos Ginatzis, Datacom Solutions Specialist,Networking Solutions Division, Space Hellas
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Cisco and/or its affiliates. All rights reserved.Presentation_ID Cisco Public 3
Always Online
More Mobile Than Ever Before
Hungry for Bandwidth
The Explosion of Wireless Data
2.7 GB /month in 2017
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Cisco and/or its affiliates. All rights reserved.Presentation_ID Cisco Public
More Users
7 Billion Mobile Devices (more than 1 per capita)
More than 10 Billion Mobile M2M Devices in 2016
New Services
BYOD in the Enterprises
Internet of Everything
More Bandwidth
Social Networking
Mobile HD Video
4
The Explosion of Wireless Data
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Cisco and/or its affiliates. All rights reserved.Presentation_ID Cisco Public
Data
Location
Voice Video
IoE
5
The Explosion of Wireless Data
‟Enterprise WLAN used to be a luxury. It has evolved to a need.”
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The Evolution
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Cisco and/or its affiliates. All rights reserved.Presentation_ID Cisco Public 7
The Protocols
802.11b802.11g
802.11a802.11n 802.11ac
2.4GHz
20MHz Channels
11Mbps
2.4GHz & 5.4GHz
20MHz Channels
54Mbps
2.4GHz & 5.4GHz
20/40MHz Channels
300/450Mbps
MIMO
Beamforming
5.4GHz
80/160*MHz Channels
1.3Gbps
Mu-MIMO
Beamforming
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Cisco and/or its affiliates. All rights reserved.Presentation_ID Cisco Public 8
The Architectures
Autonomous
Standalone APs
Benefits / Considerations
Simple to implement
Cost-effective for SMBs
Hard to manage
Limited advanced features
Ineffective roaming
Central Controller
Local WLC
Benefits / Considerations
Centralized management of the WLAN
Control over the traffic
Advanced features support
High quality roaming
Potential single point of failure
Branch
Flex WLC
Benefits / Considerations
Split Control & Data Plane
Flexible deployment for branches
Expandability
BW on WAN lines
Limitations on authentication methods
Converged Access
WLC-capable Switch
Benefits / Considerations
Wired and wireless integration
Traffic visibility at every layer
Less control traffic on higher layer infrastructure
Higher cost on access layer
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The Architectures
Cloud Controller
Local APs - Cloud Controller
Benefits / Considerations
Scalability
Easy to manage
Less HW footprint on site
Easy deployment
Relies on WAN interconnection for management / control
Relies on vendor for security & high availability issues
Lock-in on vendor
WLAN-as-a-service
Managed Service
Benefits / Considerations
No Capex – Provided as a service
Split Control & Data Traffic
Outsourced management & control
No need for specialized IT personnel
Upgrades on latest HW & SW
Relies on the reliability of the Managed Service Supplier
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Data
Voice
Smartphone Communications
Video
Telepresence / Video Conference
Location
Active RFIDs
Analytics
M2M
Smart TVs, Projectors
Printers, Security Cameras
IoE
The Services
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Location Based Services
Focus:
Retail (Shops, Malls, etc)
Hospitality
Venues (Airports, Stadiums, etc)
Monetize:
Generate revenue from the Enterprise WLAN
Location based advertising
Customer Engage:
Provide valuable insight in customers’ behavior
Personalized Services
Better in-store experience
The Services
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The Trends
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Enterprise WLAN adopts 802.11ac
Gigabit Wi-Fi
New Services / New Revenues
Cloud Solutions for WLAN Management
Less specialized IT personnel needed
Less TCO
Social Wi-Fi
Customer behavior analysis
Customer loyalty
The Trends
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Location Analytics
Monetization of the WLAN
New site-specific applications
BYOD
WLAN – UC Integration
Internet of Everything
RFID Deployments
The Trends
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The Challenges
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The Challenges
‟ The signal is not good enough.”
‟ Low cost equipment is ok for me.”
‟ Wi-Fi radiation is dangerous.”
‟ I could use one access point to cover the entire area.”
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Lack of knowledge from majority of IT staff & employees
Fear of:
Radiation
Security
Reliability
Control
Lack of perception of WLAN’s necessity & benefits
Cost driven approach
The Challenges
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More mobile devices than IT resources
Blurred borders between Partner & Workforce
Negative reputation for WLAN
Wrong design & implementation
Low cost, unreliable equipment
The Challenges
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The Answer
Reliable Secure
Flexible Scalable
WLAN
Excellent Design & Implementation
High Quality Equipment
Reliable Support Services
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‟ If you fail to plan, you plan to fail.”
• Benjamin Franklin
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Requirements Identification
Type of services
Users
Coverage Areas
RF Site Survey
Simulation on floor plans
Actual Measurements
Interference Detection
Optimization of coverage
The Design
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Capacity Planning
Type of service (Data, Voice, Location)
Required Signal Strength Limits
SNR
Cell Overlapping
Number & Type of Clients (e.g. laptops, smart phones, etc)
RF Planning
Type of obstacles (e.g. walls, elevators etc)
What-if scenarios (e.g. moving obstacles)
Type of antennas required
Installation conditions
The Design
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Reliability / High Availability Design
Advanced Features by Cisco
RRM
Dynamic Channel Assignment
Automatic Transmit Power Control
Coverage Hole Detection
CleanAir
ClientLink
BandSelect
VideoStream
The Design
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Wireless IPS
Wireless Sensor Mode
Sensor Modules
Rogue AP Detection & Mitigation
Integration with Cisco MSE
Corporate vs Guests
Traffic Segregation
24
Advanced Encryption
CAPWAP
WPA2 – AES & 802.1x
Authentication Methods
Active Directory Integration
Digital Certificates
Web Authentication (Captive Portal)
The Security
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One Platform to Rule them All
Central Management
Configuration
Planning
Statistics Collection
Fault Management & Alarms
Location Tracking
wIPS
The Management
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Thank You