R/3 to R/3 scenario required help

If I use this approach -

Abap Client Proxy -- XI -- Abap Server Proxy

For Alerts (like sender or receiver system/service down, data incorrect during mapping)

Is this below blog enough

XI: Alerts - Step by step

/people/michal.krawczyk2/blog/2005/09/09/xi-alerts--step-by-step

Regards