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shursulei · Apr 12, 2022 · 82805fb · 82805fb
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diff --git a/README.assets/image-20220412220000689.png b/README.assets/image-20220412220000689.png
diff --git a/README.md b/README.md
@@ -16,12 +16,24 @@ Flink supports 3 deployment mode:
 * Per-Job
 * Session
 
-Application and Per-Job deployment mode will create a new Flink cluster through resource providers such as YARN or Kubernetes, so Flink http api is limited on job submission.
-
+Application and Per-Job deployment mode will create a new Flink cluster through resource providers such as YARN or Kubernetes, so Flink http API is limited on job submission for http API based on `JobManager`。
 
+Except that, there is `WebOptions#SUBMIT_ENABLE` option indicating whether jobs can be uploaded and run from the web-frontend.
 
 ### Job Submission
 
+#### `ClusterDescriptor`
+
+![image-20220412220000689](README.assets/image-20220412220000689.png)
+
+As complex deployment ways, it is also a challenage for Flink on how to design cluster client API and `ClusterDescriptor` would be answer.
+
+
+
+#### `CliFrontend`
+
+
+
 
 
 ### Access cluster and job status