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Table 6 Bandwidth Profile Components – 1:1 Unicast AVC
Traffic
Class
Component Units Description
TC-1
CIR
Mbps
CIR requirement for TC-1.
Available settings are described in section 6.3.2.7
CBS 11 Bytes 2,000
TC-4 PIR 12 Mbps
PIR requirement for TC-4.
Available settings are described in section 6.3.2.7
Refer to section 6.3.2.7 for supported AVC Bandwidth Profiles.
Note that in some circumstances, the TC-1 CIR capacity is allocated within the TC-4 PIR. For example,
a 12Mbps TC-4 PIR with a 0.15Mbps TC-1 CIR may be delivered with a total AVC capacity of 12Mbps.
Details are set out in the Product Descriptions for the NFAS and the NWAS, respectively.
Table 7 Bandwidth Profile Components – Multicast AVC
Traffic
Class
Component Units Description
TC-MC
CIR
Mbps
CIR requirement for Multicast AVC
Available settings are detailed in section 6.3.2.9
CBS Bytes 2,000
Refer to section 6.3.2.9 for supported Multicast AVC Bandwidth Profiles.
4.5 Bandwidth Specification Model – CVC
Customer is required to nominate the capacity for each required traffic class within the CVC at time
of service order. The CVC Bandwidth Profile components for traffic classes are shown in Table 8,
Table 9 and Table 10 and specified limitations are enforced at the NNI.
11 The AVC TC-1 CBS is set by NBN Co, and cannot be modified by Customer.
12 Note that the UNI-D may accommodate ingress TC-4 traffic bursts of up to 40kB.
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28/08/2013 © 2013 NBN Co Ltd SFAA – Product Technical Specification for the NBN Co
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