BizTalk Orchestration vs. BPEL

BizTalk Constructs	BPEL Constructs
Send shape	<invoke> or <reply>
Receive shape	<receive>
Port	<partnerLinks>, <partnerLink>
Role Link	<partnerLinkType>, <role>
Message Assignment shape	<assign>, <copy>, <from>, <to>
Decide shape	<switch>, <case>, <otherwise>
Delay shape	<wait>
Listen shape	<pick>, <onMessage>, <onAlarm>
Parallel Actions shape	<flow>
Loop shape	<while>
Scope shape	<scope>
Throw Exception shape	<throw>
Compensate shape	<compensate>
Suspend shape	Not supported in BPEL
Call Orchestration shape	Not supported in BPEL
Start Orchestration shape	Not supported in BPEL
Call Rules shape	Not supported in BPEL
Transform shape	Not supported in BPEL
Terminate shape	<terminate>
Compensation Block	<compensationHandler>
Exception Handler	<faultHandler>, <catch>, <catchAll>
Correlation	<correlation>, <correlations>,  <correlationSets>, <correlationSet>