New Technology Delivers Industry’s Highest Performance in Changing

Topologies

SANTA CLARA, Calif.–(EMWNews)–MeshDynamics has enhanced its industry-leading MD4000 third generation

WiFi wireless mesh nodes with new features offering better performance

and reliability in mobile or mixed fixed/mobile environments. The new

software, called Persistent 3^rd-Generation Mesh

(P3M) is intended for dynamic military, transportation, and public

safety applications, as well as in critical applications such as mine

safety.

In recent tests, the company demonstrated persistent high-throughput and

low-delay and low-jitter networking as mobile wireless mesh nodes

connected automatically with other mobile and fixed wireless mesh nodes.

As some elements of the network moved out of WiFi range from other

nodes, they automatically formed into separate independent networks,

allowing communication to continue. When brought back into range, these

network elements seamlessly reconnected with the rest of the network.

All of this occurred without any operator intervention or

reconfiguration and the process takes place in a fraction of a second.

MeshDynamics MD4000 nodes are already being used in tactical battlefield

environments to transmit video, voice, and sensor data between moving

armored vehicles. The new P3M features now allow for smaller groups that

become separated from the main formation or column to maintain the same

high performance among themselves while isolated, and then automatically

rejoin the larger force when they again come into range.

The P3M features have also been proven in demanding underground mining

environments, where possible cave-ins and other disasters may lead to a

section of the network becoming isolated from the main portion of the

network. With P3M technology, miners in the isolated sections may still

communicate with one another, providing persistent Voice-over-IP and

location capabilities and potentially speeding rescue.

Third-generation now fully mobile

Third-generation wireless mesh networking has always delivered higher

performance in rooted environments than does traditional wireless mesh

technology. This is primarily achieved through imposing a logical

Structured Mesh^TM topology on the mesh network,

with uplink and downlink paths minimizing turnaround and multiple radios

optimizing performance. Typically, the “uplink” and “downlink”

determinations have been made by the nodes themselves at network

start-up, based on the location of the fixed fiber or copper connection

to the Internet or enterprise backbone.

But the new P3M technology allows the nodes to structure the network

dynamically, even if there is no fixed connection anywhere in the

network or if the fixed connection is lost. Patent-pending route-finding

algorithms permit the nodes to establish the optimal topology rapidly

and to reconfigure quickly as nodes move in relation to one another and

any fixed points. This allows for persistent high-performance

networking, regardless of the topology formed by the mobile nodes.

Francis daCosta, Founder and CTO of MeshDynamics, contrasted the new

technology with earlier generations of mesh networking. “In the past,

one had to choose between very dynamic any-to-any node connectivity and

the higher performance of third-generation mesh technology, which is

structured. P3M technology creates structured mesh networks that deliver

high performance for real-time requirements like video and voice, but

these networks can now form and re-form nearly instantaneously in mobile

environments. The end result for the customer is all the performance of

a rooted network, but in a completely mobile environment.”

Most other third-generation mesh competitors rely on sectored antennas

or other fixed means of establishing network topology. Instead,

MeshDynamics uses distributed RF intelligence in each node to locate

other network nodes, create links, select channels, and manage

interference. This allows the network to respond rapidly to the changing

conditions imposed by node mobility while preserving the 50X+

performance advantage of third-generation wireless mesh.

Persistent 3^rd-generation mesh (P3M) technology

is available now and included at no additional charge in MeshDynamics’

current software release. Existing customers may contact the company to

inquire about upgrades.

About Third-Generation Wireless Mesh

First-generation wireless mesh networking products serve both users and

backhaul (node-to-node) connections with a single 802.11b radio. Easy to

deploy, these solutions were popular in pioneering municipal

deployments, but many users were disappointed by low bandwidth

performance, excessive delay and jitter, and poor support of voice and

video due to contention for the single radio channel. Second-generation

wireless mesh products added a second radio to each node to segregate

backhaul and service traffic, but contention still limits bandwidth and

delay and jitter performance.

Third-generation wireless mesh networking solutions offer much higher

performance, especially in multi-hop topologies, by providing multiple

separate paths for backhaul communications as well as one or more

service radios in each node. MeshDynamics is the first to accomplish

this through dynamic channel-agile radio management. Unlike other

hardware-focused solutions, MeshDynamics products offer the power of

third-generation performance but deploy as easily as first-generation

solutions. Delivered on 802.11 protocols today, MeshDynamics’

radio-agnostic technology allows easy future migration to WiMAX and

other radio technologies.

Unlike other third-generation solutions, MeshDynamics’ technology is

based on distributed radio-frequency software intelligence in each

wireless mesh networking node, not expensive proprietary RF switching

hardware, custom radios, or costly specialized antennas. This makes

MeshDynamics’ MD4000 family of Structured Mesh^TM

wireless nodes extremely cost-effective compared to hardware-focused

third generation solutions.

About MeshDynamics, Inc.

MeshDynamics delivers one of the only third-generation wireless mesh

networking solutions for high-performance outdoor data, voice, and video

networking. Based on sophisticated dynamic channel-agile networking

algorithms, MeshDynamics’ MD4000 family of Structured Mesh™

wireless nodes deliver very low-latency and low-jitter performance, even

over multi-hop topologies where many earlier generation wireless mesh

networking products fail. MeshDynamics’ products are in use worldwide in

mining and industrial, homeland security/defense, transportation, and

metro/municipal network applications. MeshDynamics, Inc. is privately

held and headquartered in Santa Clara, CA. More information at: www.meshdynamics.com

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