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Subject: Re: [ws-dd] Issue 012 - Add size constraint to SOAP-over-UDP messages
Additional info: Impact: Implementation change Urgency: Low Priority: High Ram Jeyaraman a écrit : > This issue is assigned the number 012. For further discussions on this issue, please refer to this issue number or use this thread. > > -----Original Message----- > From: Antoine Mensch [mailto:antoine.mensch@odonata.fr] > Sent: Tuesday, September 16, 2008 3:38 PM > To: Ram Jeyaraman > Subject: Re: NEW Issue - Add size constraint to SOAP-over-UDP messages > > Forgot to mention location > > Document: DPWS > Location (defaults to line number): 199 > > > Antoine Mensch a écrit : > >> Please defer discussions on this issue until a time this issue is >> accepted and is assigned a number. >> >> Document: >> Location (defaults to line number): >> Owner: Antoine Mensch >> >> Description: >> DPWS could specify a stronger constraint than 64kbytes for datagram >> size: as a UDP datagram must be read in one chunk (unlike TCP >> streams), supporting SOAP-over-UDP means that a device should be >> prepared to read any datagram (up to 64 kbytes), which is not always >> possible in memory-constrained environments (we typically use buffers >> of a few kbytes). R0029 partially addresses this issue for a different >> reason (reliability), but it is only a SHOULD (with a limit, the MTU, >> which is actually probably too low as an absolute constraint) and only >> for messages sent by services (and not by clients). R0003 also add a >> constraint, but it is too high (32 kbytes) for our purpose and not >> specific to UDP messages. >> >> Proposed resolution: >> Proposed max size of UDP messages that MUST be supported by all >> devices: 4k >> >> > > > --------------------------------------------------------------------- > To unsubscribe from this mail list, you must leave the OASIS TC that > generates this mail. Follow this link to all your TCs in OASIS at: > https://www.oasis-open.org/apps/org/workgroup/portal/my_workgroups.php > > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - http://www.avg.com > Version: 8.0.169 / Virus Database: 270.6.21/1674 - Release Date: 16/09/2008 08:15 > >
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