You can configure the board ports and timeslots that are reserved for the permanent connections on an ASON NE. Both ASON trails and permanent connections can be created in an ASON network. Link resource reservation means that some timeslots of a link are reserved for the creation of permanent connections. The reserved timeslots cannot be used when ASON trails are created and or rerouted.
Service Requirement
See Figure 1. NE1, NE2, NE3 and NE4 are ASON NEs. NE5 and NE6 are traditional NEs. There are services running on NE1, NE2, NE3 and NE4. According to the planning, two months later, four unprotected traditional services will be created between NE5 and NE6. These services are required to pass NE3 and NE4. In this case, you need to reserve for the planned services some timeslots between NE3 and NE4 to prevent the timeslots from being occupied by rerouted ASON services.
Board Configuration
To meet the previously mentioned service requirements, you can configure the boards as shown in Figure 2. The 11-N2SL64 of NE3 and 8-N2SL64 of NE4 are connected by fibers.
Procedure
- In the NE Explorer, select a board of an ASON NE and choose from the Function Tree. For example, select 11-N2SL64 of NE3 or 8-N2SL64 of NE4.
- Click Query to query the resource reservation status of the board from the NE.
- Select the VC4 channel to be reserved. Double-click Resource Reservation and set the reservation status to Yes. For example, set the reservation status of the channels from NE3-11-N2SL64-1(SDH-1)-VC4:33 to NE3-11-N2SL64-1(SDH-1)-VC4:36 to Yes.
- Click Apply and a dialog box is displayed telling that the settings are applied.
- In the opposite station, repeat step 1 to step 4 to reserve link resources.