6 1. Introducing 1.uNderstanding the Layers of High Availability a Each of these technologies or techniques has its own strengths and weaknesses. For example providing redundancy at the Physical layer is great, but it doesn 't help with failures at the Application layer m Conversely, protecting against application failures wont help much if the underlying hardware isn 't redundant a As you set forth to establish high availability for your virtualized workloads, keep in mind that there is no "one size fits all "solution Use the right tool for the job based on your specific requirements 河南中医药大学/阮晓龙/13938213680/htp/cloudxg.hactcm.edu.cn/http:/www5ucwebcn