Network dimensioning is an indispensable component of QoS provisioning in the residential multi-service IP-based access networks. This paper discusses network dimensioning of the residential multi-service IP-based access networks over Ethernet thoroughly, i.e. a Broadband Residential Ethernet-Based Access Network (BREAN), and tries to find a pragmatic engineering method of network dimensioning. The paper proposes that the layer 2 Ethernet domain of the BREAN implements EF (PHB and PDB) and AF (PHB and PDB) services of DiffServ so that a same method of network dimensioning can be deployed in the whole BREAN.
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