If all you want is scalability, just add more computers, network bandwidth, and so on, to a single data center.
如果您所需要的是可伸缩性,则只需向单个数据中心增加更多的计算机和网络带宽等即可。
As a result, unless you only run a single computer in each data center, it's Paramount that the network between datacenters has adequate capacity to provide the desired level of data synchronization.
因此,除非仅在每个数据中心运行一台计算机,否则务必保证数据中心之间的网络具有足够的容量,以提供所需的数据同步级别。
A virtual network gives a customer a common LAN-like network where the servers can be located in the physical data center (virtualized or not), private cloud, and public cloud.
虚拟网络提供给用户普通的LAN一样的网络,其中服务器位于物理数据中心(虚拟化或未虚拟化)、私有云以及公用云。
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