Number of preset restoration trails that can be configured for electrical-layer ASON

11

When the system resources are sufficient, two preset restoration trails can be configured for each ASON service.

Other related questions:
Whether OLP boards can be used in electrical-layer ASON
Huawei OTN ASON solution can be implemented in two ways: optical-layer ASON (OTN_O) and electrical-layer ASON (OTN_E). Optical-layer ASON achieves service grooming at the OCh wavelength level, while electrical-layer ASON achieves service grooming at the ODUk sub-wavelength level.

Restrictions on a network for which both optical-layer ASON and electrical-layer ASON are configured
Optical-layer ASON and electrical-layer ASON can be configured on the same network but they cannot be configured on the same NE.

Whether there are restrictions on the number of TE links on an optical-layer ASON network or an electrical-layer ASON network
On an optical-layer ASON network, a TE link can only be created between FIU boards. The quantity of TE links is determined by the NE scale of the network. Generally, only a few TE links are configured on the network. On an electrical-layer ASON network, ODUk links of different levels can be created based on line board types. Generally, a large number of TE links are configured on the network. An electrical-layer ASON network has far more TE links than an optical-layer ASON network. More links on a network will consume more network resources. Therefore, it is required that an electrical-layer ASON network be smaller than an optical-layer ASON network.

ASON trail quantity license
1. Basics for ASON trail quantity licenses (1) License name: Fee of each WDM ASON service port (2) License function: maximum number of supported ASON WDM trails (bidirectional) (3) License applicable object: number of OTU board ports (rate specific) (4) License model: Four rates are supported, namely, �?2.5G, 2.5G�?0G, 40G, and 100G Each OTU board port corresponds to one license. (5) License calculation: Maximum number of manageable ASON WDM trails (bidirectional) = Number of saleable licenses/2 For example, when a user purchase ten <2.5G licenses and twenty 40G licenses, the user can manage a maximum of five 2.5G LSPs and ten 40G LSPs on the NMS. 2. Query for ASON trail quantity licenses: On the U2000, choose Help > License Management > License Information.

Principles for automatic discovery of electrical-layer TE links for ASON services
Electrical-layer TE links for ASON services are verified through electrical-layer overhead bytes. For the principles of automatic TE link discovery, see the ASON User Guide.

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