Zfor: A Fail-over Name Resolver
推荐一个 软件实现的虚拟hostname解决方案:
ZFOR is a virtual hostname resolver that supports health checking and load-balancing. It could be used to take over some VIP works.
作者是: Xiaozhe Wang (chaoslawful [at] gmail [dot] com) 这个项目是使用erlang编写的。 源代码可以从: http://github.com/chaoslawful/zfor/tree/master 下载到。