Add ESR architecture detail. 17/18217/1
authorlizi <>
Wed, 11 Oct 2017 08:54:32 +0000 (16:54 +0800)
committerlizi <>
Wed, 11 Oct 2017 08:54:32 +0000 (16:54 +0800)
Change-Id: I3ffac8c813ee9f251b63bfd17a21edb03ff86d97
Issue-ID: AAI-427
Signed-off-by: lizi <>
docs/platform/images/esr-architecture.PNG [new file with mode: 0644]
docs/platform/images/external-system-register-progress.PNG [new file with mode: 0644]
docs/platform/images/external-system-register-sequence-diagram.PNG [new file with mode: 0644]
docs/platform/images/vim-register-progress.PNG [new file with mode: 0644]

index 18d38b0..cb658ef 100644 (file)
@@ -4,4 +4,27 @@
+ESR contains two components: esr server module and esr gui module
+- ESR
+    - ESR server
+    - ESR gui
+ONAP-level Architecture
+In ONAP architecture, ESR is a sub-project of A&AI. It provide a single point for users to manage the external system information. It provides a way to register/unregister external system dynamically.
+.. image:: images/esr-architecture.PNG
+How ESR works
+The user register external system through esr-gui, esr-server will store the external system information to A&AI. And the other components such as VF-C/SDNC/Multi-Cloud then can query the external system information form A&AI. The process of VIM register may be a bit different from the VNFM/EMS/thirdparty SDNC. That because the registered VIM information is some basic information such as region/version/auth-url that things, Multi-Cloud will update the cloud information with more details, such as the volume and tenant details. The VNFM/EMS/thirdparty SDNC will not be updated by VF-C and SDNC.
+.. image:: images/vim-register-progress.PNG
+.. image:: images/external-system-register-progress.PNG
+The complete workflow is shown below in the form of a sequence diagram.
+.. image:: images/external-system-register-sequence-diagram.PNG
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