The Wi-Fi Architectures Main Event: Controller vs. Cloud
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Transcript of The Wi-Fi Architectures Main Event: Controller vs. Cloud
1© 2013 XIRRUS :: All Rights Reserved
Kowshik Bhat
Director of Product Marketing
November 2013
CONTROLLER VERSUS CLOUD ARCHITECTURES
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AGENDA
• Industry Trends
• Evaluating the Architectures
• Reasons to Reconsider the Architectures
• Checklist to Evaluate the Architectures
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MOBILITY IS DRIVING IT SPEND
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MOST NETWORKS ARE NOT PREPARED
Instagram video becomes #1 traffic on Internet on day 1 of release
iOS 7 doubles traffic within minutes of
release
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APPLICATION USAGE EXPLODES
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MOBILE DATA TRAJECTORY
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EVALUATING ARCHITECTURES
DATA PLANE VS CONTROL PLANE
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AUTONOMOUS ARCHITECTURE
Small networks Cost effective
X ScalabilityX IT burden
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CENTRALIZED CONTROLLER
Access Points + Central Controller
Large networks Simplified IT operations
X CostX Resiliency
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WI-FI ARCHITECTURES AND TRAFFIC FLOW
Distributed Control• Control at edge for best performance• No Single Point of Failure• Seamless Scalability• Distributed Intelligence
Central Control• Central processing creates bottlenecks• Single Point of Failures• Stair step scalability• Intelligence Choke Point
Edge Traffic Management Centralized Traffic Management
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HYBRID ARCHITECTURE
Large networks Simplified IT operations
X CostX ResiliencyX Policy enforcement
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CLOUD BASED CONTROLLER
Medium sized networks Access from anywhere Capex to Opex
X Policy enforcementX Performance
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DISTRIBUTED CONTROL WITH CLOUD MANAGEMENT
Scalability Resiliency Performance Ease of deployment Intelligence at the edge
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802.11AC AND IMPACT ON SCALABILITY
• High performance
• Superior throughput
• Support more devices
• Battery Life
• Only 5GHz spectrum
• Channel bonding up to 160Mz
• Up to 8 spatial streams
• MU-MIMO
• Improved modulation
Technology Benefits
Data rates up to 6.9Gbps
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