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Resource consumption class is a typical DDoS attack, the most representative include: Syn Flood, Ack Flood, UDP Flood. The target of this kind of attack is very simple, that is, to consume normal bandwidth and the ability of protocol stack to process resources through a large number of requests, thus achieving the purpose that the server cannot work normally.　　随着何应农的到来，各方势力迅猛地向平西涌来。平西市从此展开了国共两党之间的一场惊心动魄的情报战。这场情报战的胜负关联着整个东北地区上百万部队的命运。事实让他们无比郁闷，难道尹旭真是天命所归？重伤被人救了也就罢了，可这救命恩人都是神奇无比的隐士高人。安然（孙雅 饰）和丈夫欧阳一峰（安泽豪 饰）结婚多年，两人共同养育着可爱的女儿蒙蒙（高欣宇 饰），生活虽然平淡，但却充满了幸福。安然唯一的遗憾就是家中比上不足比下有余的经济状况，然而欧阳一峰向来淡泊名利，并不愿意为了获得更好的生活而努力拼搏，小小的失望埋藏在安然的心底，渐渐生根发芽。上官灵儿漫步在街头，忽然间被一伙人拦住，情急之下，一名神秘男子凌空而出，伸手敏捷的拯救了她，从这一刻她爱上了他，称其为小哥哥，并许诺今生非他不嫁。一晃三年久已，灵儿再也未与救命恩人谋面，长相甜美的她在京城被上门提亲的媒婆算是踏破了门槛，可都被她一一赶跑。某天，丫鬟气喘吁吁的跑进门告诉她，皇上下旨将自己的儿子赐婚于她，也就是当今太子“七皇子”！1. Decoupling the complex relationship between the request sender and N receivers, you don't need to know which node in the chain can process your request, so youThis idea is exactly the same as what we often use. MyCollection defines some operations of the collection, MyIterator defines a series of iterative operations, and holds Collection instances. Let's look at the implementation code: