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SmartPath Wireless: the Technology

How SmartPath works.

SmartPath uses a collaborative control design based on the same

architectural premise behind dynamic routing protocols used by WANs

and the Internet, and the Spanning Tree protocols of LANs: By distributing

the control and data plane, redundancy and optimization are built into the

system, and by centralizing management functions, the entire system can

all be run from one location — even from the cloud.

This collaborative design enables multiple APs in the SmartPath

network to be organized into groups, or clusters. These clusters of APs

”talk" to one another, sharing control information and enabling fast

Layer 2/Layer 3 roaming and seamless mobility for users, cooperative

RF management, higher security, resiliency, and more.

SmartPath APs discover each other no matter if they’re connected

to each other over a wired network or linked wirelessly. When neighboring

APs are found with the same cluster or mobility credentials, the APs build

secure connections to each other. They then use special protocols to

provide best-path data forwarding.

This way, APs can dynamically route around any problems or failures,

and adding another site is as simple as adding another AP. You never need

to upgrade to a higher-capacity controller when you have to add one or

more APs.

What’s more, the SmartPath network architecture is more reliable

and higher performing — and more suitable for voice-over-wireless LAN —

than most controller-based architectures.

Diagram Format

Rule Size: 0.013

SmartPath EMS Virtual Management Appliance Software

(LWN600VMA) installed on server;

Also Available: Cloud-Based Service (LWN600CM-1 or LWN600CM-3)

Enterprise Switch

Indoor AP

(LWN602A)

Hardened AP

(LWN602HA)

Wired Infrastructure

Corporate Enterprise APs Used in

Wired/Wireless Mesh Network

Mobile Users

Hardened AP

(LWN602HA)

Indoor AP

(LWN602A)

Indoor AP

(LWN602A)

Switches

Optimized for real-time traffic, 720p video, and VoIP —

great for voice over wireless LAN (VoWLAN).

Advanced controller-less architecture improves network

performance and saves you money.

Incorporates legacy 802.11a/b/g wireless devices with

no degradation in 802.11n performance.

APs work together to improve speed and redundancy.

APs are easy to manage from the cloud- or Virtual

Management Appliance-based SmartPath Enterprise

Management System.

APs work as intelligent, self-aware devices within

a distributed, self-healing mesh network.

Supports Gigabit Ethernet links to a wired network.

Scalable from one AP all the way up to a wide-area

wireless network with thousands of APs.

Secure with access enforced by per-user policies and SLAs.

Uses advanced WIDS and wireless VPN communications

for secure, seamless roaming.

PoE-powered APs for reduced power infrastructure needs.

Resilient. No bottlenecks, no single points of failure.

Uses collaborative APs instead of controllers.

Enables secure, fast Layer 2/Layer 3 (L2/L3) roaming.

» Supports

HT20/HT40 High-Throughput (HT) and

A-MPDU/A-MSDU frame aggregation.

» Standard or

hardened AP models available.

The SmartPath architecture.

Unlike ordinary wireless systems, in which APs function as accessories

to the wired network, SmartPath is designed as an equal partner to the

wired network, making it a practical way to provide wireless across your

organization.

First, SmartPath APs work much like the intelligent, smart switching

devices found in today’s wired networks, devices that actively sort packets

and send them only to where they’re needed — either to an attached

node or to another switch or router for forwarding.

SmartPath APs sort and send the same way, broadcasting packets

wirelessly, whether it’s to a nearby Wi-Fi laptop user, passing them on

to another access point in a wireless mesh arrangement, or sending

them through the wired network to another endpoint.

It’s really smart — and not something you’ll likely find on today’s

average wireless APs, which function more like legacy network hubs

and act only as interfaces to the wired network without making any

decisions about where to send packets.

Plus, for seamless mobile user connectivity, SmartPath anticipates

motion and proactively tracks users moving from AP to AP. This provides

continuous coverage for voice or video applications without an interruption

in service or having to connect and authenticate to each new AP. This is

done automatically and is transparent to the end user.

Also, advanced circuitry and algorithms enable older 802.11a/b/g

devices to share the network without slowing down 802.11n devices.

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