[jsr360-observers] [jsr360-experts] Re: DTLS, RE: JSR 360 EG call notes - August 7th
- From: Michael Lagally <
- Subject: [jsr360-observers] [jsr360-experts] Re: DTLS, RE: JSR 360 EG call notes - August 7th
- Date: Mon, 12 Aug 2013 17:12:56 +0200
- List-id: <jsr360-experts.jsr360.java.net>
many thanks for your quick response, will look into this.
On 09.08.2013, at 16:47, Lampart Thomas wrote:
> Dear specleads, experts,
> I meanwhile talked to our application engineering guys and now can confirm
> that we do have customers that use UDP server functionality. Well,
> obviously they do it unencrypted today, but with a look into the future
> where data encryption and security will become more and more crucial DTLS
> server should be a useful feature. For some applications UDP is just easier
> to handle than having some TCP connections. Also as we agreed in our last
> telco CLDC based devices are not only clients. In many setups they are
> servers which allow external clients to get or set some data in the device.
> So I would like to repeat my original statement and strongly suggest that
> we include DTLS server functionality into the spec.
> Regarding the “work around”:
> Yes, implementing DTLS server on top of the UDPDatagramConnection should be
> possible but that most likely means having a second TLS stack
> implementation in a system. And that doesn’t sound like a good idea on
> devices where memory is always critical.
> Have a nice weekend
> From: Michael Lagally
> Sent: Donnerstag, 8. August 2013 18:01
> Subject: [jsr360-observers] [jsr360-experts] JSR 360 EG call notes - August
> Dear JSR 360 experts,
> Here are the notes from the JSR 360 call on August 7th.
> Call Participants:
> Thomas Lampart, Gemalto M2M GmbH
> Erkki Rysä, North Sixty-One Ltd
> Werner Keil
> Michael Lagally, Oracle
> Roger Riggs, Oracle
> Call Notes:
> Review Comments on the JSR 360 EG draft of the PR specification
> The version numbers in the @since tags for CLDC
> will be aligned with the JDK
> conventions, i.e. we will consistently use CLDC1.8.
> Thomas noted that there's an asymmetry in the DTLS
> support of GCF, where the
> API only provides client-side support. The spec
> leads commented that there appear not
> to be enough use cases for CLDC to justify the
> additional burden of including server-side
> DTLS into the platform. Discussion about the use
> for a DTLS server in M2M scenarios.
> Michael noted, that an application could implement
> a DTLS server on top of UDPDatagramConnection.
> EG members are requested to provide feedback about
> the use of DTLS in their companies
> and to identify concrete use cases during the PR
> phase of the JSR and to provide feedback by October 2nd at the latest.
> Public Review
> The public review of JSR 360 will take place Aug 27th-Sept 23rd.
> All JSR 360 EG members present on the call agreed
> to proceed with the public review.
> SpecLeads will send the PR draft to the JCP PMO in
> The final review is planned for November/December.
> Next Call
> The regular bi-weekly EG call is postponed for the
> upcoming weeks and will be resumed on demand.
> Best regards,
> Roger and Michael
Michael Lagally | Principal Member of the Technical Staff
Oracle Java Development Group | Mobile & Embedded
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