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https://issues.apache.org/jira/browse/PROTON-136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13504838#comment-13504838
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Affan Dar commented on PROTON-136:
----------------------------------

Here is a scenario that might not work if the notion of ssl context is not 
exposed in the messenger API:

+ Client attempts to send a message to endpoint ep1 and as a result the SSL 
negotiation happens but at the end the server redirects it to endpoing ep2
+ Client now needs to resend the same message to ep2 but wants to reuse the 
session id from above since 

If the session cache in the messenger api is keyed off of the endpoint name 
then this won't work. Also the knowledge that the session for ep1 should be 
reused for ep2 is very app specific.

This is very handy in cases when i) the session cache is shared between a 
server farm OR ii) the server is redirecting to itself (e.g. to bypass a load 
balancer).


                
> Add support for SSL session resumption
> --------------------------------------
>
>                 Key: PROTON-136
>                 URL: https://issues.apache.org/jira/browse/PROTON-136
>             Project: Qpid Proton
>          Issue Type: New Feature
>          Components: proton-c
>    Affects Versions: 0.3
>            Reporter: Affan Dar
>            Assignee: Ken Giusti
>              Labels: ssl, sslContext, sslresume
>
> Open SSL supports resumption of SSL sessions which by-pass the heavy SSL 
> handshake process. This is critical for scenarios involving low powered 
> devices especially on cellular data networks where bandwidth is precious.
> It would be great if Proton exposes this ssl resume feature to users. .
> From: rhs [mailto:rschlom...@gmail.com] 
> Sent: Tuesday, November 13, 2012 11:34 AM
> To: Affan Dar
> Cc: David Ingham
> Subject: Re: SSL session resumption
> On Tue, Nov 13, 2012 at 8:05 PM, Affan Dar <affan...@microsoft.com> wrote:
> >>Serializing/restoring the whole session state for the messenger will work 
> >>for the scenario I think.
> Ok, let's start with this step then. I'm open to providing something finer 
> grained if there is a need, but my preference is to keep it simple for the 
> moment.
>    
> >>One more thing, RFC 5077 has another flavor of session resumption which 
> >>openssl supports (original >>implemented as RFC 4057 back in 2007 I think). 
> >>This allows us to resume sessions without carrying state >>on the server 
> >>side which as you can imagine is a big deal for service vendors. Probably 
> >>there is no API >>level impact if messenger handles the session state 
> >>itself but just wanted to put this on your radar.
> Ok, good to know.
> Could one of you file a JIRA for this upstream? I'm trying to get things a 
> little more organized on the process front and keep everything centralized in 
> JIRA. ;-)
> --Rafael

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