Thank you for your advice.
Now i've desided to write a new application instead of using an existing protocol.But I'm a fresh men here, so not very clear with what should i do first,would you please give me some advices about this ?
thank you very much!
Sun yingming
From: Bear Giles <[EMAIL PROTECTED]>
Reply-To: openssl-users@openssl.org
To: openssl-users@openssl.org
Subject: Re: question about data transfer
Date: Mon, 21 Nov 2005 21:28:01 -0700
>When you say "data stream", how much data are you talking about?
>If it's occasional data (e.g., updated every 5 minutes) it would
>probably be easiest to use a HTTPS client using a "post" form.
>That lets you use a standard web server on the other end. One
>less thing to worry about.
>
>Another possibility is secured email, SMTP + TLS. If you have a
>relatively smart sensor (e.g., an embedded Linux system) you could
> write a straightforward mail client that sends mail to the local
>mail server (on localhost). You can then let
>sendmail/postfix/exim/whatever forward the mail to your system
>with a secure connection. Again, one less thing to worry about.
>
>If it's close to continuous you should probably establish your own
>network connection instead of trying to piggyback on an existing
>service.
>
>In any case you need to think about how you will handle network
>connectivity problems... and you will have dropped connections,
>high latency, etc. Can you drop the data on the floor? If not
>you'll need to have an accurately timestamped data queue. That's
>not hard to do (hint: NTP), but it will drive the design.
>
>Bear
>
>sun yingming wrote:
> > I am trying to use ssl to secure a persistent data stream which
> > is read form some sensors outside, and transfer it to a fixed
> > pc on the interent. The most common use of ssl is Https,but i
> > am confused that can https realize this application? i mean ,
> > as i know ,the Https is always works in Browser/Server mode ,is
> > it realizable to use Https to transfer a persitent data
> > stream,or i should choose other protocol like ftp?
> >
> > anyone who can help me is thankful
> >
> > Sun Yingming
>
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