HP ProCurve Multi-Service Mobile (MSM) architecture wireless LAN innovative design not only can allocate individual resources to management, control, data forwarding layer, but also can distribute network intelligence to the wireless edge. The perfect integration of the operational advantages of centralized management and control with the scalability, efficiency and high performance of distributed intelligent forwarding. The core of the design is the HP Procurve MSM 700 series controller, which is used to centrally manage and configure all wireless LAN services. HP Procurve Manager is responsible for monitoring and managing network switches and wired network ports. The MSM architecture inherits the advantages of the first-generation wireless LAN switch, eliminating the disadvantages of so-called thin access points. TriPlane architecture TriPlane can reasonably distribute client traffic at the edge of the network, thereby improving wireless LAN efficiency and performance. Thanks to MSM700 With the deployment and expansion of wireless LANs, MSM700 and access points can automatically discover each other and establish a secure layer 3 communication tunnel for exchanging wireless LAN control information. The following figure makes this clear: The FirstPower Motorcycle Battery is engineered to protect against seepage and corrosion, deliver high cranking power, even when the weather`s dealing its worst. It's the rugged, reliable and dependable battery that customers are looking for. The high-tech. Power-boosting design, FirstPower Motorcycle battery can provide right battery for right job – that's where it all starts. Motorcycle Battery Motorcycle Battery,High Performance Motorcycle Battery,Lead Acid Gel Motorcycle Battery,Maintenance Free Motorcycle Battery Firstpower Tech. Co., Ltd. , https://www.firstpowersales.com
Only network control and management information is processed, and client traffic directly reaches the destination from the source through the data layer. Therefore, they have high scalability and excellent cost performance.
Data layer The data layer is responsible for forwarding data, implementing QoS and security policies. The intelligent access point located on the wired / wireless boundary can directly forward data packets between the client and the server without going through the central wireless LAN switch. Local 802.11 MAC protocol processing, hardware-assisted data encryption, and RADIUS authentication eliminate the dependence on central resources. By implementing security policies, the access point can block unauthenticated traffic at the edge of the network.
In addition, the data layer can also detect and prevent wireless LAN intrusion events in real time. The dual base station model of the access point product line can detect and disable illegal device traffic before it poses a threat to the corporate network, thereby building the first line of defense for wireless LANs.
Control layer The control layer is the key to the TriPlane architecture. Through centralized control of the distributed data layer, the control layer can ensure the consistent service delivery process of the entire wireless LAN and strict QOS and security policy implementation, thus avoiding the defects of the central wireless LAN switch.
In terms of supporting real-time mobility, regardless of whether the access points are in the same IP subnet, the MSM700 can ensure that wireless devices switch quickly and smoothly when roaming between access points. MSM700 knows its neighboring MSM access points, so it can predict the handover target. The pre-shared PMK cache enables WPA2 / 802.1x to re-associate within 50 milliseconds, keeping QoS and security policies unchanged while users roam.
Management layer Management layer supports typical troubleshooting, configuration, statistics and high-performance functions of large networks composed of multiple MSM700 and MSM access points.
Network edge intelligence The main advantage of the HP ProCurve MSM wireless LAN solution is the improvement of the wireless networking of the previous generation of wireless thin APs, and the development of intelligent APs that can be centrally managed.
The architecture integrates wireless local area network traffic into a wired network, and uses DDF to distribute traffic through intelligent access points at the edge of the network. This allows traffic to pass through most directly connected paths (without going through the controller), and optimizes the use of high-cost backbone links with higher costs.
Another major advantage of this architecture is that it can ensure that the traffic of the wireless voice system (VoWIFI) will not be delayed because it is sent back to the wireless LAN controller, but is sent directly to the voice server, which can improve the quality of voice calls.
In addition, DDF also supports 802.11n, which can significantly increase the total available bandwidth without changing the number of access points and their overall capacity supported by the MSM700 series. 
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