[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]
Subject: Re: [ws-dd] Issue 039 - DPWS - Recursive hosting
Additional info: Impact: implementation change Urgency: Medium Priority: High Ram Jeyaraman a écrit : > This issue is assigned the number 039. 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 4:19 PM > To: Ram Jeyaraman > Subject: NEW Issue - Recursive hosting > > Please defer discussions on this issue until a time this issue is > accepted and is assigned a number. > > Document: DPWS > Location (defaults to line number): 541 > Owner: Antoine Mensch > > Description: > It is not clear whether the specification allows recursive hosting of > services: the wording seems to allow it, as Hosts are described in terms > of services and not devices. On the other hand, two aspects of the > specification tend to indicate a single level of hosting: (i) the main > purpose of hosting is to let the host (device) advertise itself and its > hosted services through a single discovery message, thus avoiding > multiple multicast messages. As hosted services are not supposed to be > part of the discovery infrastructure (they will not advertise > themselves), it does not seem very useful to let them have hosted > services themselves. (ii) the rules for implied values for missing Host > or Hosted elements do not work well in case of multiple levels of > hosting: assume D is a device, A a hosted service hosted by D, and B a > hosted service hosted by A. What should be the values (both explicit and > implied) of Host and Hosted in the response to a Get sent to A? > > Proposed resolution: > This point needs clarification. There does not seem to be clear > requirements for recursive hosting (except perhaps moving UPnP models to > DPWS) > > > --------------------------------------------------------------------- > 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: 270.6.21/1676 - Release Date: 17/09/2008 09:33 > >
[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]