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Is it possible to bond two wireless feeds...

Last response: in Wireless Networking
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Anonymous
a b F Wireless
April 8, 2004 1:38:58 PM

Archived from groups: alt.internet.wireless (More info?)

.... together like DSL bonding, ISDN bonding or T1 bonding to attain faster
speeds?

For example, set up one wireless network from building A to building B, and
then setup another one, from building A to building B, and then bond them
using routers.

Would this work in theory?

Thanks!

More about : bond wireless feeds

Anonymous
a b F Wireless
April 8, 2004 7:09:16 PM

Archived from groups: alt.internet.wireless (More info?)

In article <1ycdc.23393$kc2.346037@nnrp1.uunet.ca>,
Brian Thorne <bthorne@notavail.com> wrote:
:... together like DSL bonding, ISDN bonding or T1 bonding to attain faster
:speeds?

:For example, set up one wireless network from building A to building B, and
:then setup another one, from building A to building B, and then bond them
:using routers.

:Would this work in theory?

It would depend how you bonded them. You might be able to do something
useful if you insert a PPP layer that allows for multiple sessions.

You have to be careful with bonding, as different implimentations (or
configurations) choose the channels differently. Some versions alternate
channels with every packet: those implimentations have difficulties
with packets arriving out-of-order (which can cause skipped updates
for UDP, and can lead to many retransmits for TCP). Some versions
choose the channel based on the last bit of the source MAC; some choose
based on the last bit of the destination MAC; some XOR the source
and destination MAC bits together to choose the channel. Any of those
three variations result in one of the channels being hogged if you are
mostly sending data between the same systems (e.g., server to server)
rather than having relatively random traffic (e.g., interactive work.)


The various manufacturer's 802.11g "turbo" modes essentially do bonding.
There are also some 802.11b "turbo" modes that are essentially bonding.
There are no standards in this area, so D's turbo mode probably
doesn't work with N's turbo mode.
--
Preposterous!! Where would all the calculators go?!
!