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© 2011 Aerohive Networks CONFIDENTIAL WI-FI DESIGN 101: QUESTIONS EVERY MANAGER SHOULD ANSWER BEFORE PURCHASING WI-FI
© 2011 Aerohive Networks CONFIDENTIAL Agenda RF Coverage Capacity/Density Scaling Infrastructure & Management Deployment Management Survivability Security High Density Guests Planning & Tracking Troubleshooting Simplicity A Word About Aerohive
© 2011 Aerohive Networks CONFIDENTIAL RF > Coverage Questions: Data, Multimedia, or Location Tracking? Throughput of Apps? Questions: Entire Facility? Construction? Question: Indoor, Outdoor, Branches? Questions: AP Output Power? AP Radio Sensitivity? AP Antenna Specs? PA LNA
© 2011 Aerohive Networks CONFIDENTIAL RF > Capacity / Density Questions: How many devices of each type are on the network simultaneously? How many devices per AP radio for a good user experience? What is the maximum range at which client devices will be used? Question: What type of devices are on the network?
© 2011 Aerohive Networks CONFIDENTIAL Throughput # of APs Capacity Limit Scaling Infrastructure & Management Questions: How does it scale? (Architecture & Management Systems) Does it support all features with distributed forwarding? What does the cost model look like as it scales? Redundancy? Branches? Feature licenses? Does the solution become more complex as it scales? Additional components required? Does the solution have a scale limit?
© 2011 Aerohive Networks CONFIDENTIAL Deployment Questions: How are you going to deploy your network? Big bang or slow roll? How many remote sites? What level of IT resources at each one? How many network components are needed at each location? ConnectDiscoverProvisionGO!
© 2011 Aerohive Networks CONFIDENTIAL Questions: How and from where are you going to manage your network? Are there options? Can you switch between them? Is High Availability supported? What type? At what cost? Is a Virtual Appliance supported? Branch & Teleworker Enterprise Wi-Fi Cloud Services Platform Public Private Partner Management Public Cloud Private Cloud
© 2011 Aerohive Networks CONFIDENTIAL 8 Survivability Questions: What level of survivability do you need in your network? AAA caching? Path Resiliency? AutoRF hole coverage? Automatic Mesh? Best-path forwarding? OKC? CWP? WLAN Access Console? Routing? 3G/4G Backup? VRRP? AAA WAN AAA Cache Internet 3G/4G
© 2011 Aerohive Networks CONFIDENTIAL 9 Security Questions: What user types do you have, and how will you secure each? Will network privileges follow the user between wired/wireless? How will you authenticate clients devices? 802.1X/EAP, PSK, Private PSK, CWP, other? OS detection? Enterprise features? WIPS, Stateful Firewall, VPN, RADIUS & AD/eDir/OD integration? L2 (OKC) and L3 fast/secure roaming, Secure CWP? How will you secure your Infrastructure & management platform? HTTPS? SSH2? RADIUS/AD? TPM? Internet Corp HR Private PSK Safari iOS5, iPhone 4S
© 2011 Aerohive Networks CONFIDENTIAL High Density Question: Does the system support robust QoS, Airtime Fairness, Load Balancing, Band Steering, and other similar high-density features (that work)? PolicerQueuesScheduling User Profiles/SSIDs Users User Queues Classifier Policer Queuing Scheduling e (WMM) Throughput Fast Client Slow Client Faster clients dramatically improve their performance without impacting slower clients 10x faster
© 2011 Aerohive Networks CONFIDENTIAL Guests Questions: How will you offer guests Internet access via the Wi-Fi infrastructure? Are there different types of guests? Parents, contractors, visiting employees? Will guest access be Authenticated? Encrypted? Will guests be allowed different types of access based on device type, location, time? Rate limited? Content filtered? Individualized security? Will guest access be uniform across all locations?
© 2011 Aerohive Networks CONFIDENTIAL 12 Planning & Tracking Questions: Comprehensive predictive planning tool available? Infrastructure devices, client devices, & interference sources reported on live floor plan? Real-time device tracking(RTLS) on a live floor plan supported?
© 2011 Aerohive Networks CONFIDENTIAL 13 Troubleshooting Question: How and from where will you troubleshoot problems?
© 2011 Aerohive Networks CONFIDENTIAL 14 Simplicity Questions: How simple is the solution to design, deploy, expand, manage, & troubleshoot? Can it be managed from a mobile device? From anywhere? How many people does it take to operate the network? How much time will they have to spend each day on the Wi-Fi? Is the system appropriate (features/manageability) for the market?
© 2011 Aerohive Networks CONFIDENTIAL No data bottlenecks Service Level Agreements QoS & Spectrum analysis included Distributed (Controller-less) Wi-Fi Architecture Delivering simplicity, reliability and affordability 15 Management Redundancy Scalability and future proofing Performance Centralized cloud-based or Local management Management within the network only No single point of failure Self healing mesh architecture No controller tax Requires multiple controllers Local data forwarding..what do you lose? No feature licensing Start small and grow Distributed intelligence Controller capacity? Feature licenses? Data bottlenecks QoS, Spectrum analysis..$$$ (FW, RADIUS, CWP, BYOD, Bonjour GW) How does it work?
© 2011 Aerohive Networks CONFIDENTIAL Wi-Fis Networking Detour 16 Security, Manageability, & Mobility Scalability, Resilience, & Determinism Made possible by Moores Law b/a g n Centralized Control -Centralized Intelligence -Radio Resource Mgmt (RRM) -Authentication & Key Mgmt -WIPS, RTLS, L3 roaming, & a few others -Tremendous design complexity -Single points of failure, & redundancy is expensive -Bandwidth bottleneck, & wont scale cost effectively -Limited features when distributing forwarding Autonomous APs -Scale linearity (1 AP at a time) -Low cost (no extra hardware) -Limited intelligence -No RF / network awareness -Managed individually Cooperative Control -Distributed Intelligence -Fully distributed control & data planes -All enterprise-class features -Works like a distributed computer -Best-path forwarding & inherent resilience -Load balancing, band steering -Linear, unlimited, & cost-effective scaling -Simplistic deployment and management -Private & public cloud mgmt options
© 2011 Aerohive Networks CONFIDENTIAL THANKS!
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This work is supported by the National Science Foundation under Grant Number DUE Any opinions, findings and conclusions or recommendations expressed.
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