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Next, we will talk about the responsibility chain mode. There are multiple objects, each of which holds a reference to the next object, thus forming a chain on which requests are passed until an object decides to process the request. However, the sender does not know which object will process the request in the end, so the responsibility chain mode can be implemented to dynamically adjust the system without concealing the client. Let's look at the diagram first:毛海峰不过是一根火线。Resource isolation can be regarded as a protective shield for user services. This protective system has extremely powerful data and traffic processing capabilities to filter abnormal traffic and requests for users. For example, for Syn Flood, the shield will respond to Syn Cookie or Syn Reset authentication, filter forged source data packets or attacks of power generation through authentication of data sources, and protect the server from malicious connection erosion. The resource isolation system mainly protects the third and fourth layers of ISO model. The schematic diagram of resource isolation is as follows:民国初年江南大户张家，老爷张慕哲有三个儿子分别是长子张叔儒、次子张叔庭和三子张叔方，一次因运送贵重药材的货车被劫，张慕哲未曾细查便痛骂叔方，致使叔方愤然离家。不久之后叔方沉船的噩耗传来，叔庭心痛指责父亲和大哥逼死三弟，张慕哲恼羞成怒赶走叔庭，叔庭带走儿子天宝投奔了曾经的同窗好友莫语堂，张慕哲追悔莫及。七年后，莫语堂带着天宝回到张家，并称叔庭遭遇劫杀他无力抚养孩子，张慕哲失而复得欣喜不已并有心栽培天宝为药厂的接班人。 天宝和药厂员工若颜相爱了，就当他想提亲时却得知若颜竟然是叔方的女儿，而他们俩是兄妹，二人皆伤心不已，可是只有天宝自己知道，真正的天宝早已经去世，他是冒名顶替来谋夺产业的。天宝陷入了两难的抉择，最终他患上不治之症，他将张家祖传的秘方交还到若颜这个真正的继承人手中，欣慰的闭上了双眼。甘言重（陈豪 饰）是一个实打实的工作狂，他不仅自己没日没夜的工作，亦要求下属们要像他一样拼命。宋天从（胡杏儿 饰）曾是一名摄影师，却在一场和父母同行的旅途中遭遇了车祸，失去了双亲，也失去了视力，自此生活在黑暗之中。