The best replacement for vpc is vss.

The best alternatives to vpc are rated as following:
★★★★★  vss
★★★★★  vmware
★★★★  ec2
★★★  fabricpath
★★  vpc+
★★  port channel
★  etherchannel
★  mlag
★  direct connect
  port channels

Your alternative for vpc is not listed? Suggest!
Speaking about vpc, one probably shouldn't forget about hsrp.

Other search terms related to vpc and their ratings are:
★★★★★ hsrp
★★★★★ fabricpath
★★★★ elb
★★★★ vss
★★★★ fcoe
★★★ spanning tree
★★★ ucs
★★ glbp
★ lacp
You have in mind a companion for vpc and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of vpc in all years. Click on graph for more.
vpc
vss
vmware