Thursday, November 15, 2012

WiFox - A New Protocol to Boost WiFi Performance

By a whopping 700%! From Matt Brian … The end of slow public WiFi? Researchers develop new protocol that boosts WiFi performance by 700%:

Conferences, airports, cafes – they might offer free WiFi to visitors, but they are often sluggish in their operation because everyone else is hogging the connection.

This issue might become a thing of the past, after a team of engineers at NC State University (NCSU) announced the development of WiFox (via ExtremeTech), a new software protocol that could theoretically be added to existing Internet routers and is capable of boosting WiFi performance by 700 percent.

Traditionally, routers offer a single channel of data to users. When the access point receives an increased number of data requests, it becomes harder for it to send back the data it has requested. The access point could be programmed to give all pieces of data a high priority to clear its backlog, but then users have issues submitting new requests.

Data backs up, and the router has issues dishing out the necessary information to users. You may have experienced this when you turn up early to a conference, enjoy the public WiFi connection, and then get kicked off when the venue starts to fill up and you have to share it with everyone else.

NCSU engineers position WiFox as the software equivalent of a traffic policeman, ensuring that the data traffic moves smoothly in both directions. WiFox works by monitoring the traffic on a WiFi channel, intelligently detecting load issues and granting access to priority data when it detects a backlog of information passing backwards and forwards.

The team says that when they tested the software on a router in their labs capable of handling 45 users, it saw improvements of between 400 and 700 percent when it reached the maximum number of users.

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