Page History

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="59a0248a6b90e5ac-34a617a3-409e410e-abedabd5-f4eabd2c290d968368f9e67b"><ac:plain-text-body><![CDATA[

[KRB]

Kerberos Protocol

]]></ac:plain-text-body></ac:structured-macro>

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="998daa532c77c8e8-79462f5a-4c3a4017-a434b4ba-5f812f3cc8af9b0cdde29d0d"><ac:plain-text-body><![CDATA[

[RSKT:{kerberos-service-ticket}]

RPC protocol with SASL mutual authentication using Kerberos tickets.

]]></ac:plain-text-body></ac:structured-macro>

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="351fd9894c2a18b4-630993c2-41a24aa2-a0038b81-7a63243423d1b612d703880d"><ac:plain-text-body><![CDATA[

[RSAT:{access-token}]

RPC protocol with SASL mutual authentication using delegation tokens.

]]></ac:plain-text-body></ac:structured-macro>

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="c9f2dc31e7e39db8-743e0aa7-4ed54b41-a0e7815d-aaf013ba15dd728055d98b3f"><ac:plain-text-body><![CDATA[

[RSDT:{delegation-token}]

RPC protocol with SASL mutual authentication using delegation tokens.

]]></ac:plain-text-body></ac:structured-macro>

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="fd3f218b2956d195-db491e1c-4e534334-a400a956-c8b91c743b20112ee5b57aad"><ac:plain-text-body><![CDATA[

[STP]

Shuffle data transfer protocol between ShuffleService and ReduceTask. HTTP protocol with TODO.

]]></ac:plain-text-body></ac:structured-macro>

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="184cfa624e4c5209-4e8663bf-4f7c44a5-8086b31d-50ed842094e0c7c572b248be"><ac:plain-text-body><![CDATA[

[DTP]

Block data transfer protocol between the DataNode and a client. HTTP protocol with block tokens plus SHA1 hash exchange.

]]></ac:plain-text-body></ac:structured-macro>

tgt

Kerberos Ticket Granting Ticket

kt

Kerberos Service Ticket: u-jt-kt = A Kerberos Ticket for User u to access the JobTracker jt

kp

Kerberos Principal: nn-kp = The Kerberos principal for the NameNode nn

dt

Delegation Token: c-nn-dt = A delegation token for identity of the Client that can be presented to the NameNode.

tkn

Access Token: am-tkn = An access token that can be presented to the ApplicationMaster for access.

tkn-sk

Token Secret Key

id

Identifier: job-id = Job Identifier