fisrst draft for offline transmissoin UML diagram

documentations/offlinetransmission.plantuml

@@ -0,0 +1,42 @@
+@startuml OfflineTranmission
+header Message OfflineTranmission
+' left to bottom direction
+skinparam actorStyle awesome
+
+skinparam usecase {
+    BackgroundColor<< Publisher >> Pink
+    BorderColor<< Publisher >> Red
+    BackgroundColor<< Subscriber >> Pink
+    BorderColor<< Subscriber >> Red
+}
+
+package PublisherSite {
+    actor "Publisher" as Publisher  #pink;line:red;line.bold;text:red
+    (Parent) as (parentPub) << Publisher >>
+    usecase "Parent" as parentPub
+    () "Proxy" as proxy1
+}
+
+package SubscriberSite {
+    () "Proxy" as proxy2
+    () "Proxy" as proxy3
+    (Parent) as (parentSub) << Subscriber >>
+    actor "Subscriber" as Subscriber1   #pink;line:red;line.bold;text:red
+    actor "Subscriber" as Subscriber2   #cyan;line:blue;line.bold;text:blue
+}
+
+note "<b><size:18>Blue COLOR</size></b> is the \nfirst triggering mechanism for \noffline transmission." as N1
+note "<b><size:18>Red COLOR</size></b> is the \nfirst line of streaming." as N2
+
+Publisher --> proxy1 #line:Red;text:Red : Publish data to \ndesignated subsriber \nover proxy
+Publisher -> parentPub : If internet is \ndown, NOTIFY \nparent publisher
+Subscriber1 --> proxy2  #line:Red;text:Red : Receive data \nfrom Publisher
+parentPub -> parentSub #line:blue;line.bold;text:Blue : Notify Internet \nWas Offline \nPlease Subscribe \nAgain
+proxy1 ... proxy2 #line:Red;text:Red : Internet Connection \nCut off
+
+Subscriber2 -> proxy3 #line:Blue;text:Blue : Subcribe to Publisher \nvia new Proxxy
+proxy1 . proxy3 #line:Blue;text:Blue : Subscribe to proxy \n to continue receiving \ndata
+Subscriber2 <- parentSub #line:Blue;text:Blue : Instantiate a \nnew Subsscriber
+parentSub <- Subscriber1 : Persists data \nreceived from \nPublisher
+
+@enduml