HWECC Application

The ECC that Huawei implements provides a more flexible networking mode. The NEs can be connected through an optical port or the Ethernet port for ECC communication. In some special conditions, the Huawei equipment can transparently transmit the OAM information from the third-party equipment.

There are two typical applications of the HWECC protocol for networking schemes.

Application 1 Networking That Involves Only Huawei Equipment

Figure 1 shows the networking that involves only Huawei equipment.

Figure 1 Networking that involves only Huawei equipment

Such networking requires that one gateway NE (GNE) be present for the communication between other NEs and the U2000 Web LCT through the Ethernet interface. The NEs communicate with each other through an optical port or Ethernet interfaces. The subnetworks in Figure 1 perform the extended ECC communication through Ethernet interfaces, such as NE6 and NE7.

NOTE:

Extended ECC means the ECC communication by using the Ethernet when there is no connected optical path between two or more NEs.

Application 2 Networking That Involves Huawei Equipment and Third-Party Equipment

Figure 2 shows the networking that involves Huawei equipment and third-party equipment.

Figure 2 Networking that involves Huawei equipment and third-party equipment

For such networking, the OAM information of the third-party equipment should travel through Huawei equipment, which provides the function to transparently transmit the DCC. During the transmission, Huawei equipment does not analyze the data. For the DCC transparent transmission, perform the corresponding configuration at each NE along the data transmitting trail.