mv doc to docs

doc/design/ClientSession.md

@@ -1,55 +0,0 @@
-## Transient Client/Session Sequence1
-
-```
-Client1->SM:  {start_session, {true, ClientId, self()}}
-SM-->Session: {destory, ClientId}
-Session-->Session: {shutdown, destroy}
-Session-->Client2: exit({shutdown, destroy})
-Client2-->CM: {'DOWN', MRef, process, Pid, Reason}
-SM-->Client1: {ok, SessPid}
-Client1-->CM: {register, Client1}
-```
-
-![Transient Client/Session Sequence1](TransientSessionSeq1.png)
-
-## Transient Client/Session Sequence2
-
-
-```
-Client1->SM:  {start_session, {true, ClientId, self()}}
-SM-->Session: {destory, ClientId}
-Session-->Session: {shutdown, destroy}
-SM-->Client1: {ok, SessPid}
-Client1-->CM: {register, Client1}
-Session-->Client2: exit({shutdown, destroy})
-Client2-->CM: {'DOWN', MRef, process, Pid, Reason}
-```
-
-![Transient Client/Session Sequence2](TransientSessionSeq2.png)
-
-## Persistent Client/Session Sequence1
-
-```
-Client1->SM: {start_session, {true, ClientId, self()}}
-SM-->Session: {resume, ClientId, ClientPid}
-Session-->Client2: {shutdown, conflict, {ClientId, Pid}}
-Client2-->CM: {unregister, ClientId, self()}
-SM-->Client1: {ok, SessPid}
-Client1-->CM: {register, Client1}
-```
-
-![Persistent Client/Session Sequence1](PersistentSessionSeq1.png)
-
-
-## Persistent Client/Session Sequence2
-
-```
-Client1->SM: {start_session, {true, ClientId, self()}}
-SM-->Session: {resume, ClientId, ClientPid}
-SM-->Client1: {ok, SessPid}
-Client1-->CM: {register, Client1}
-Session-->Client2: {shutdown, conflict, {ClientId, Pid}}
-Client2-->CM: {unregister, ClientId, self()}
-```
-
-![Persistent Client/Session Sequence2](PersistentSessionSeq2.png)

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doc/design/Seq.md

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doc/pool.md

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-sup(one_for_all)
-    manager
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-        worker2
-        ...
-        workerN

doc/uuid.md

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-## Mongodb ObjectId
-
-* 4-byte value representing the seconds since the Unix epoch,
-* 3-byte machine identifier,
-* 2-byte process id, and
-* 3-byte counter, starting with a random value.
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-* 64bits Timestamp
-* 48bits WorkerId
-* 16bits Sequence
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-* 64bits Timestamp: erlang:now(), erlang:system_time
-* 48bits (node+pid): Node + Pid -> Integer 
-* 16bits Sequence: PktId
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