Date: Fri, 2 Sep 2005 13:49:41 -0700 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: Oleksandr Samoylyk <oleksandr@samoylyk.sumy.ua> Cc: freebsd-net@freebsd.org Subject: Re: Compressing/decompressing traffic & cache & unchanged ip Message-ID: <20050902204941.GJ61824@funkthat.com> In-Reply-To: <1736720621.20050902230245@samoylyk.sumy.ua> References: <1736720621.20050902230245@samoylyk.sumy.ua>
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Oleksandr Samoylyk wrote this message on Fri, Sep 02, 2005 at 23:02 +0300:
> I've a "strange" idea. Here I've outlined the plan:
>
> ========================================================
>
> Compress traffic Uncompress traffic Compress traffic
> here & cache here
> ___________ _________ ___________
> | | | | | |
> --| Router | | Our | | Router |--
> --| in city1 |-------->| ROUTER |<--------| in city2 |--
> |__________| |________| |__________|
> |
> |
> ________________|________________
> | | | | |
> Our clients
>
> ========================================================
>
> So, let me describe the situation. We have our central router and
> several router in different places. Unfortunately, we haven't got a good
> connection to them. Our physical "link" to them is quite "narrow".
> Nevertheless, our "external" routers are good connected to the "world"
> (they have megabit uplinks). We can't at the moment got a better
> connection between them and our central router :(.
> The ultimate aim is to speed up bandwidth for our clients by means of
> software :)
> We had been using a transparent cache-server (Squid) for some time, but
> it has the problem (as all proxies have). It changes ips of clients.
> I'd a sort of brain-wave :) and thought out the following:
> - On those routers we compress traffic (how?)
> - On our main router we decompress it and cache it (how?)
> - Moreover, it should be done transparently and without substitution of ip for client. So client even don't "feel" that he/she is behind proxy or so... So everywhere should be ip of user not Squid one. (how?)
> - In addition to that it would be good to do this with HTTP and FTP as well...
ipsec has a layer that will do packet compression... look at
-C calgo parameter to setkey(8), one of which is deflate..
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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