IDOC Best Practices

Hi all,

I'm starting on creation of many scenarios using ECC -> PI -> IDOC , so i've found many references to start it, that point to

https://wiki.sdn.sap.com/wiki/display/XI/SAP%20R3%20(Idocs)%20To%20XI%20--%20Steps%20Summarized

/people/swaroopa.vishwanath/blog/2007/01/22/ale-configuration-for-pushing-idocs-from-sap-to-xi

These links points to best practices on IDOC integrations? Does anybody have some considerations about performance, configuration tips to this scenarios? Or following these posts is a good idea to begin?

Best regards