Read in this book, why:* EDI projects with R/3 would often cost five to ten times as much as necessary* IDocs and ALE are the ideal bridge between R/3 and legacy systems* IDocs are the framework for a fully automated business workflow In the technical part of the book you will learn, how to* customise the R/3 IDoc engine* interface IDocs with standard converters for X.12, EDIFACT, VDA etc.* design your own IDoc structures * write IDoc handler programs in an hour* trigger IDocs from any R/3 application via messages or workflow* set up automated workflow based on IDocs* set up ALE scenarios for automated data replications This book is for whole R/3 teams to teach a common knowledge when it comes to interface design.* R/3 project managers to learn about the benefits of IDocs and ALE* R/3 steering committees to estimate the true costs of EDI and interface development* R/3 developers to learn how interface can be designed "in the minute"* R/3 coaches to use as teaching and presentation material for interface designs SAP R/3 made an old dream come true: enter your business data oncein your computer and trigger all the following activitiesautomatically, send the data to another computer without typingthem in again.