The botnet was used to launch a massive DDoS attack.

这个僵尸网络被用来发起大规模的DDOS（Distribution Denial of Service，分布式拒绝服务攻击）攻击。

We propose a characterization of distributed denial of service(DDOS) defenses where reaction points are network-based and attack responses are active.

我们提出一个反应点的基于网络，并且攻击响应是主动的分布式拒绝服务防御系统的特征化。

Most of the available DDOS literature review existing defenses.

大多数有用的DDOS文献都评论已经存在的防御系统。

We review and categorize qualitatively current DDOS defense mechanisms that have appeared in the literature.

我们评论当前已经出现在文献上的DDOS防御系统机制,并在本质上进行分类.

Distributedservice ( DDOS ) attacks have emerged as a prevalent way to compromise the availability of networks or servers.

DDOS攻击已经形成一种流行的破坏网络和服务器可用性的方法.

Though the political aspect of hacktivism played a prominent role in the events that unfolded, the increasingly worrying concern was the weakness of major sites under DDoS attacks.

虽然在随后公开的事件中表明黑客行为的政治因素起到了关键作用，但是人们更加担忧的是主要网站在DDoS攻击方面的脆弱。