Enterprise Administration > Implementing Windchill ESI > Implementing Windchill ESI in an SAP Environment > Performance Planning > Analyzing Message Numbers and Sizes
  
Analyzing Message Numbers and Sizes
When optimizing performance, it is useful to identify and quantify the data load at interfaces between TIBCO components and the systems to be integrated, for each transaction in a publish operation. The areas to consider for the number of messages and their size are: