Reputation-based system, the nodes observe the behavior of other nodes to take measures accordingly, or the reward collaborative behavior, or punish non-cooperative behavior. Node can use the "watchdog" to detect whether other nodes to forward packets to avoid routing the malicious acts; the same time the source node using the "explore the way people" [33] to select the most reliable route to send packets. Another dynamic AdHoc network nodes called collaboration [34] the credibility of the system can prevent denial of service attacks. If a neighbor node does not forward packets, it will be considered non-cooperation, its credibility will be broadcast in the network. Cooperative credit system system [35] provides 3 different credit amount: the amount of subjective reputation, indirect reputation capacity and credibility of the content. The credibility of the amount of use of this 3 to determine whether the weighted value of the collaboration, while avoiding the attacks of malicious nodes. The credibility of the Security objective incentive [36] strategy is to refuse to forward the target behavior, using a similar mechanism for the watchdog to monitor and maintain the credibility of the information system is the node forwarding the packet and send the ratio of the number of packets.
Of course, programmers like to have free food, but for a relative to project-centered work environment, such as Google, the more important issue is whether use of working hours to carry out their plan of interest. There is no indication that this rule has changed, but in fact, plans to create revenue in order to get the companys resources. The Wall Street Journal pointed out: Former Google product manager said the development plan to improve the management, the company requires the highest level of responsibility of the vice president of engineering units listed the 20 most promising plan, most of the resources available into the column. The plan is not selected, more difficult than before for technical support. In fact, the existence of Google is making Microsoft antitrust case in most of the terms of the settlement agreement is unnecessary. If you are interested in promoting a competitive desktop operating system, Google can develop their own or support Linux. In either case, Googles forces, including the Internet search. Also recognized the market forces of both companies, Googles price-earnings ratio is 46%, 2 times more than Microsoft.