PM864A 3BSE018162R1 | ABB | Gateway Redundancy module

Description

PM864A 3BSE018162R1 | ABB | Gateway Redundancy module

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PM864A 3BSE018162R1  refers to the backup of the device itself, which is divided into hot backup and cold backup. It is most commonly used in the aggregation layer and core layer. Hot backup is connected and operated through dual machine backup, while cold backup is used as a backup in the form of inventory. When using hot standby, when one device encounters a problem, the other device still receives data normally to ensure uninterrupted business operation. Link aggregation is used to synchronize data between the main and backup devices, which can also be used for load sharing. In this way, two devices can transmit data simultaneously, which not only does not waste device resources, but also plays a role in device redundancy. When using cold standby, the standby machine does not work, and replacement can be completed in case of equipment failure. The hot standby and cold standby of the equipment have both improved the reliability and stability of the network.

PM864A 3BSE018162R1  may not be very familiar, but when it comes to aggregated links, it becomes clear! As mentioned in the introduction of device redundancy above, link aggregation is used between devices in the backbone network, which divides multiple network interfaces into the same logical interface. The edge of the link formed by the logical interface connection between devices is the aggregation link. This is just like the wires we usually see. On the surface, it appears to be a line, and through the outer layer of the skin, we can easily see that the inside is twisted by n small copper wires. When a PM864A 3BSE018162R1  wire inside breaks, it will not affect the normal operation of the current. Similarly, a single link connection is easy to implement, and a simple failure can cause network interruption. Therefore, in the actual process of network construction, in order to maintain network stability, in a network environment composed of multiple switches, some backup connections (aggregation links) are usually used to improve the robustness and stability of the network.

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