backward compatibility
2.The forward compatibility, backward compatibility, tin whisker, voids, micro-voids and surface finishes were emphasized and how to avoid the lead free transfer problems were reviewed.
3.Line 8-10: This is some backward compatibility for the messages that were created before we added the workflow feature.
4.Efforts to provide backward compatibility between IPv6 and IPv4-based applications and routers definitely will help ease the transition within your enterprise.
