当门户服务器无法提供服务时，将显示一般的错误页面，如图 7 所示。
When the portal server is not available, the general error page displays, as shown in Figure 7.
针对服务提供者无法提供服务的各种情况，LCSN都可以帮助提高服务的可靠性。
As for the situations of incompetent service providing of service providers, LCSN can help to enhance the reliability of services.
当国家政府再也无法提供个人安全、粮食保障以及教育和医疗等基本社会服务时，国家就会衰落。
States fail when national governments can no longer provide personal security, food security and basic social services such as education and health care.
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