In general, there are 2 main classes of methods currently
employed by 801.11g vendors to boost network performance.
They are 1. timing manipulation on single channel and 2.
dual channel bonding.
In 1., more compact timing specs are used between packets
when they are sent on the air, but one channel, as specified
in 802.11g, is used. It usually has a higher compatibility
with non-boosted equipments, as some of the "non-boosted"
equipments might enjoy higher thruput on one leg of the
transmission.
In 2., 2 channels are used to send packets. Well, it's a
violation of 802.11g spec and there might be heavier
channel interference, both within the LAN and among
neighbour LANs. For "non-boosted" equipments in the same
LAN, only one channel will be used, so, there will be no
speed increase.
Both methods can use hardware compression to deliver higher
apparent thruput, but as nowadays multimedia contents are
usually already compressed, I think a time restricted
lossless compression without regard to content types will
not give you more mileage, unless you transfer frequently
those Word/Excel files which are compressable.
In particular, Speedbooster manipulates on timing and uses
one channel.
My 2 cents.
Stephen Wong @ Hong Kong
On Sun, 30 May 2004, Rene wrote:
> I am trying to buy a router for my home network and I noticed that companies
> like Linksys offer some router with what they call SpeedBooster" technology.
> This technology is supposed to make the connection 35% faster or something
> like that.
>
> I would like to learn how this is done, is the speed really faster or is it
> the same except that they use some kind of proprietary compression
> algorithm?
>
> Could some one explain to me how these "speed boost" is accomplished, any
> links to web sits with info are highly appreciated.
>
> Thank you.
>
>
>
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