– Does XI has the queuing capabilities?
Ans: Yes, SAP has queueing facility. There are transactions SMQ1 and SMQ2 to monitor inbound and outbound queues. You can also queueing facility via JMS adapter in the sender side.
– How can we measure XI’s queuing capabilities in comparison with MQ?
Ans: SAP had queueing facility since long time.SAP has a well developed queueing architecture.
– Can it connect to multiple source and target systems of different technologies?
Ans: Ofcourse it can. You have to use different adapters for each technology or you can use a webservice.
– Can XI route a single source message to multiple destinations, say over 1000
Ans: Yes, it can. Howeer you have to make sure that the XI server has enough RAM to handle that much load.