[OASIS Issue Tracker] Created: (WSDD-6) DPWS - WS-Eventing does notwork when subscriber in not addressable

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

DPWS - WS-Eventing does not work when subscriber in not addressable
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                 Key: WSDD-6
                 URL: http://tools.oasis-open.org/issues/browse/WSDD-6
             Project: OASIS Web Services Discovery and Web Services Devices Profile (WS-DD) TC
          Issue Type: Bug
          Components:  DPWS Specification
         Environment: N/A
            Reporter: Antoine Mensch
            Assignee: Toby Nixon


The current WS-Eventing mechanism selected by DPWS is based on a push mechanism which requires the event source to connect to the subscriber to deliver the event notification. This creates problems in to very common cases: (i) when the subscriber is behind a firewall using NAT; (ii) when the subscriber is a Web application (e.g. Ajax or Java, Flash or Silverlight applets) which cannot accept incoming connections.


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