This is a unique feature because cloud providers may not support specialized hardware for loadbalancing.
这是一个独特的特性,因为云提供商可能不支持用于负载平衡的专门硬件。
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Although live migration was an important feature for loadbalancing over a cluster of servers, failover built on live migration opens new applications within the cloud for HA-dependent applications.
These enable new scenarios for Applications hosted on Windows Azure such as asynchronous Cloud Eventing, Event-Driven SOA, Load leveling/balancing and more.