Thedownside of gridhosting is that many grid hosts don't support wildcardsubdomains, and you can't tweak your server's configuration the way youcan with a dedicated server.
云虚拟主机的缺点是：许多网格托管主机不支持通配符子域，并且无法像在专用服务器上那样调整服务器配置。
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For such a pure WebSphere eXtreme Scale grid running in a super cluster, there is no need to bridge any of the core groups containing the catalog server cluster or the gridhosting clusters.