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I like proxys but I don't like the fact I have
to set a proxy up - terrible on my laptop
while I move around. I wondered if there
might be away of doing a peer to peer
proxy. In essence a browser (or local
machine proxy ) when it wanted to get say
an image from the internet would sent out
a multihost UDP ping packet with the hash
of the URL. Every other machine running
the browser/local proxy on the local
network ( anything from XXX.XXX.XXX.001
to XXX.XXX.XXX.255 ) would then look up
the hash in its own internal cache and if it
finds it would then send a YES UDP packet
back.
The browsing machine takes the first YES
UDP packet it gets back. It then does a
TCP connection to the machine that said
YES over port 80 and down loads the
cached copy of the image FROM the YES
machine. If no local machine says yes
within a small time then the browsing
machine goes over the internet as normal.
Later if another machine wants the same
image URL then the browsing machine
then acts as the YES machine and you
server the image from your cache.
This first past the post system
automatically load balances over the
machines on the local network. If a
number machines have the same image
then the first to respond is going to be the
fastest/least loaded machine.
Usual cacheing proxy rules apply ( don't
cache images with /cgi/ or .php in url and
so on).
points for extra credit.
1- adverts might get mangled to be
replaced with adverts for stuff you already
own but haven't used in a bit.
2- a serve simply becomes a machine that
listens to requests and then down loads
the HTML. the HTML is scanned for links
and the links are pre-loaded. Thus when a
browsing machine calls the server has
simply pre-cached the target pages.
3-If someone walks in you your local
cyber cafe with a hardrive full of cached
goodies then they are acting as a walking
connection to the internet.
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Annotation:
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From my (limited) understanding, this is kind of how the internet works already. A single page of data might be transmitted via multiple routes (via multiple proxies/routers), with packets arriving at their intended destination asynchronously - whether this distributed/asynchronous bit happens on the inside or the outside of your subnet isn't going to make a great deal of difference, is it? |
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The problem with this is that every browser has its own cache, so the proxy would have to work with each seperately. First thing we need is a standard http layer that all browsers can utilize and gain a shared cache. |
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Good idea!
Some Cons:
- UDP works bad on high load networks.
- Security is low. Due spreading unencrypted (http) private data over all local network computers. So, any user can spy for any :) |
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This is basically Squid meets Tor. Since all the users mirrors would become mostly homogeneous eventually, the principles of Bittorrent could be applied, too. I have no idea where this sort of system would end up being useful, but the idea is interesting so [+]. |
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