The best replacement for portfast is rstp.

The best alternatives to portfast are rated as following:
★★★★★  rstp
★★★★  edge port
★★★  uplinkfast
★★★  spanning tree

Your alternative for portfast is not listed? Suggest!
Speaking about portfast, one probably shouldn't forget about bpdu guard.

Other search terms related to portfast and their ratings are:
★★★★★ bpdu guard
★★★ rstp
★★ bpdu filter
You have in mind a companion for portfast and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of portfast in all years. Click on graph for more.
portfast
rstp
edge port