Queues

[Former Member]

Hi all,

What are the queues in XI.What is the relation between messages and queues.

what is Trfc and Qrfc.what is the difference b/w EO and EOIO ...give me clesr idea..?

Vijay

[prateek · Accepted solution]

The actual data that passes through XI from one system to another is a message. Queues are like containers that hold messages while it passes through various components of XI. For understanding about types of queues, see this

http://help.sap.com/saphelp_nw04s/helpdata/en/8b/ceea3b31aac554e10000000a114084/content.htm

tRFC supports EO (Exactly Once) behavior and qRFC supports EOIO (Exactly once in order).

Regards,

Prateek

[Former Member]

Hi ,

XI messages for inbound processing are placed in inbound queues of Integration Engine and placing them in outbound queues carries out outbound processing. As a part of Integration Engine configuration, we register XI queues. By registering queues used by the Integration Engine, we intimate qRFC the technical names of these queues

Do refer to the links below for a clear idea on queues:

/people/sap.india5/blog/2006/01/03/xi-asynchronous-message-processing-understanding-xi-queues-part-i

/people/vasanthakumar.balasubramani2/blog/2005/12/21/complete-reference-for-idoc-queuing-and-monitoring

/people/sap.user72/blog/2005/01/28/setting-up-inbound-qrfc-queues-for-serializing-idocs-using-the-idoc-adapter

http://help.sap.com/saphelp_nw2004s/helpdata/en/7b/94553b4d53273de10000000a114084/content.htm

Regards,

Madhu

[dharamveer_gaur2]

Hi

XI Queue are used for message buffring.

BE(Best Effort): This is used in case Sync message proccessing.

EO(Exactly Once): This is use where message are independent and no need to process in order.

EOIO(Exactly Once in Order): Where we want to maintain order.

use this blog for XI queue understanding

/people/sap.india5/blog/2006/01/03/xi-asynchronous-message-processing-understanding-xi-queues-part-i

qRFC forces to maintain order, where function module are dependent.

tRFC are used independent Asyncronous message processing.

look for more detail

http://help.sap.com/saphelp_nw04/helpdata/en/62/73241e03337442b1bc1932c2ff8196/frameset.htm

http://help.sap.com/saphelp_nw04/helpdata/en/62/73241e03337442b1bc1932c2ff8196/frameset.htm