| From: | "Shulgin, Oleksandr" <oleksandr(dot)shulgin(at)zalando(dot)de> |
|---|---|
| To: | Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru> |
| Cc: | Shay Rojansky <roji(at)roji(dot)org>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Wire protocol compression |
| Date: | 2016-04-21 13:40:52 |
| Message-ID: | CACACo5T5TKr6BGSzxAzAVV4M94d37Mo30AW=7YAxp5c4MoVJvQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Apr 21, 2016 at 3:17 PM, Aleksander Alekseev <
a(dot)alekseev(at)postgrespro(dot)ru> wrote:
> > > or on Linux TCP/IP stack level.
> > >
> >
> > Yes, but if you want to have both compression and encryption it is
> > crucial to apply compression *before* encryption and I don't see how
> > this can happen with this approach.
>
> If I'm not mistaken IPSec gives you both compression and encryption.
> Just as an example.
>
True, but that setup (as well as any other hypothetical TCP/IP stack level
solution) would require network tweaking on both server and the clients.
With protocol-level compression you can avoid that altogether and
encryption is already solved with use of TLS.
--
Alex
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