anmolanmol1234 commented on code in PR #6552:
URL: https://github.com/apache/hadoop/pull/6552#discussion_r1582642060


##########
hadoop-tools/hadoop-azure/src/site/markdown/abfs.md:
##########
@@ -609,21 +610,119 @@ In case delegation token is enabled, and the config 
`fs.azure.delegation.token
 
 ### Shared Access Signature (SAS) Token Provider
 
-A Shared Access Signature (SAS) token provider supplies the ABFS connector 
with SAS
-tokens by implementing the SASTokenProvider interface.
-
-```xml
-<property>
-  <name>fs.azure.account.auth.type</name>
-  <value>SAS</value>
-</property>
-<property>
-  <name>fs.azure.sas.token.provider.type</name>
-  
<value>{fully-qualified-class-name-for-implementation-of-SASTokenProvider-interface}</value>
-</property>
-```
-
-The declared class must implement 
`org.apache.hadoop.fs.azurebfs.extensions.SASTokenProvider`.
+A shared access signature (SAS) provides secure delegated access to resources 
in
+your storage account. With a SAS, you have granular control over how a client 
can access your data.
+To know more about how SAS Authentication works refer to
+[Grant limited access to Azure Storage resources using shared access 
signatures 
(SAS)](https://learn.microsoft.com/en-us/azure/storage/common/storage-sas-overview)
+
+There are three types of SAS supported by Azure Storage:
+- [User Delegation 
SAS](https://learn.microsoft.com/en-us/rest/api/storageservices/create-user-delegation-sas):
 Recommended for use with ABFS Driver with HNS Enabled ADLS Gen2 accounts. It 
is Identify based SAS that works at blob/directory level)

Review Comment:
   typo:identity



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