The best replacement for load balancing is failover.

The best alternatives to load balancing are rated as following:
★★★★★  failover
★★★★★  clustering
★★★★★  load sharing
★★★  bonding
★★★  high availability
★★  round robin
★★  link aggregation
★★  web farm
★  failover clustering
★  traffic shaping
  failover cluster
  clustering windows
  cluster

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

Other search terms related to load balancing and their ratings are:
★★★★★ hsrp
★★ load balancer
★★ sonicwall
★ vrrp
★ cisco routers
cluster
You have in mind a companion for load balancing and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of load balancing in all years. Click on graph for more.
load balancing
failover
clustering