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From "Rafael H. Schloming (Confluence)" <conflue...@apache.org>
Subject [CONF] Apache Qpid > Proton Architecture
Date Thu, 16 Jan 2014 11:01:01 GMT
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                                                            <a href="    https://cwiki.apache.org/confluence/display/~rhs
" style="color:#326ca6;text-decoration:none;; color: #326ca6; text-decoration: none">Rafael
H. Schloming</a> edited the page:
                                                        </div> </td>
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                                                    <td valign="top" style="font-size:
13px"> <h2 id="email-title-heading" style="font-size: 16px; line-height: 20px; min-height:
20px; margin: 0; padding: 0"> <a href="https://cwiki.apache.org/confluence/display/qpid/Proton+Architecture"
style="color: #326ca6; text-decoration: none"> <img class="icon" src="cid:page-icon"
alt="" style="border: 0; padding: 0 5px 0 0; text-align: left; vertical-align: middle" />
<strong style="font-size:16px;line-height:20px;vertical-align:top;">Proton Architecture</strong>
</a> </h2> </td>
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                                                    <p class="diff-context-placeholder"
style="font-size: 13px">...</p>
                                                    <p class="diff-block-target" style="font-size:
13px">Endpoint objects are created in one of two scenarios. In the most basic case the
local application directly triggers creation of an endpoint object in order to initiate the
given type of conversation (Connection, Session, or Link). In <span class="diff-html-removed"
id="removed-diff-0" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">other
cases though</span><span class="diff-html-added" id="added-diff-0" style="font-size:
100%; background-color: #ddfade;">the case of Sessions and Links</span>, the remote
application might trigger the engine to internally create <span class="diff-html-removed"
id="removed-diff-1" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">a
Session or Link endpoint, but not a Connection endpoint</span><span class="diff-html-added"
id="added-diff-1" style="font-size: 100%; background-color: #ddfade;">an endpoint</span>.
The local and last known remote endpoint state may be used to distinguish between the various
scenarios. In total there are 9 possible combinations of these states described in more detail
in the table below.</p>
                                                    <div class="table-wrap diff-block-context">
                                                        <table class="confluenceTable"
style="border-collapse: collapse; border: 1px solid #ddd;">
                                                            <tbody>
                                                                <tr>
                                                                    <th class="confluenceTh"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;background-color: #F0F0F0; font-weight: bold;; font-size: 13px">Local</th>
                                                                    <th class="confluenceTh"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;background-color: #F0F0F0; font-weight: bold;; font-size: 13px">Remote</th>
                                                                    <th class="confluenceTh"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;background-color: #F0F0F0; font-weight: bold;; font-size: 13px">Description</th>
                                                                </tr>
                                                                <tr>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">UNINIT</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">UNINIT</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">This would be the initial state of an endpoint that is newly created
by the local application.</td>
                                                                </tr>
                                                                <tr>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">UNINIT</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">ACTIVE</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">This would be the initial state of an endpoint that was created
by the engine in response to actions taken by the remote application.It can be thought of
as &quot;half open&quot;.</td>
                                                                </tr>
                                                                <tr>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">UNINIT</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">CLOSED</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">Same as the above except the remote application has chosen to close
its own endpoint prior to reaching a fully established state, i.e. the remote application
is aborting.</td>
                                                                </tr>
                                                                <tr>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">ACTIVE</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">UNINIT</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">Locally initiated &quot;half open&quot;.</td>
                                                                </tr>
                                                                <tr>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">ACTIVE</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">ACTIVE</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">Pairing between the two endpoints is fully established.</td>
                                                                </tr>
                                                                <tr>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">ACTIVE</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">CLOSED</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">In the process of a remotely initiated closing. (Half closed).</td>
                                                                </tr>
                                                                <tr>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">CLOSED</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">UNINIT</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">In the process of a locally initiated abort.</td>
                                                                </tr>
                                                                <tr>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">CLOSED</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">ACTIVE</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">In the process of a locallly initiated closing. (Half Closed)</td>
                                                                </tr>
                                                                <tr>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">CLOSED</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">CLOSED</td>
                                                                    <td class="confluenceTd"
style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align:
top;; font-size: 13px">Fully closed.</td>
                                                                </tr>
                                                            </tbody>
                                                        </table>
                                                    </div>
                                                    <p class="diff-block-target" style="font-size:
13px"> <span class="diff-html-removed" id="removed-diff-2" style="font-size: 100%; background-color:
#ffe7e7; text-decoration: line-through;">&nbsp;</span> </p>
                                                    <h2 id="ProtonArchitecture-Deliveries"
class="diff-block-context">Deliveries</h2>
                                                    <p class="diff-block-context" style="font-size:
13px"> </p>
                                                    <table class="diff-macro bodyless"
style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px
2px;width: 100%;margin: 5px 0; padding: 0; width: auto;">
                                                        <thead>
                                                            <tr>
                                                                <th class="diff-macro-title"
style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;;
font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color:
;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=gliffy"
style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Gliffy Diagram</th>
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                                                        <tbody>
                                                            <tr>
                                                                <td class="diff-macro-properties"
style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;padding:
0; border: 1px solid #dddddd;; font-size: 13px">
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                                                                                <td style="background-color:
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                                                                                <td style="background-color:
#fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; font-size: 13px">Link-Delivery
Object Diagram</td>
                                                                            </tr>
                                                                        </tbody>
                                                                    </table> </td>
                                                            </tr>
                                                        </tbody>
                                                    </table>
                                                    <p style="font-size: 13px"></p>
                                                    <p class="diff-context-placeholder"
style="font-size: 13px">...</p>
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