After investigate some improved and extended power management mechanisms,we find that BSD mechanism is a solution to the problem of minimizing energycomsumption while guaranteeing that a connection's RTT does not increase by morethan a dresses 1std factor, but it's not appropriate for real-time communication.UPSD mechanism isdesigned only for VoIP,it's not fit for Web access.APSM mechanism can upper boundthe MAC downlink delay to the cheap nike shoes frame arrival interval,it's suited for the case of a mix oftraffic including Web access, chi hair straightener,e-mail etc,but it modifies the original MAC frame in802.11 standard, and the algorithm is complicated. So,we propose a new power managements.In another context, wireless local area network is different from the cable network is characterized by a complex management functions. As the wireless network transmission medium, ralph lauren polo shirts mobility and other factors have resulted in network Lacoste Shirts management complexity.Wireless LAN network management is to collect a variety of network equipment and operating parameters of the system, running information; will be all kinds of information in a visual way to show network managers ; receiving network managers'sinstructions or in accordance of the information to control the network device. The article introduced the first of SNMP, analysised the framework of network management systems; then more details of the module design features. This part consists of three modules: data collection, SIB set up the database, the data sent.
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