Fig 1.
QoS model.
Fig 2.
IPv4 header and ToS field.
Fig 3.
IPv6 header and ToS location.
Fig 4.
IEEE 802.1Q and CoS field location.
Fig 5.
MPLS header and the location of EXP bits.
Fig 6.
The policing process.
Fig 7.
The topology of the case studies.
Table 1.
Case studies’ table.
Fig 8.
Case Study 1—IPv4 traditional routing.
Fig 9.
Case Study 2—IPv4 QoS LLQ.
Fig 10.
Case Study 3—IPv4 MPLS.
Fig 11.
Case Study 4- IPv4 MPLS Diffserv-aware TE with MAM.
Fig 12.
Case Study 5- IPv4 MPLS Diffserv-aware TE with RDM.
Fig 13.
Case Study 6—IPv4 MPLS Diffserv-aware TE with MAM and QoS LLQ.
Fig 14.
Case Study 7—IPv4 MPLS Diffserv-aware TE with RDM and QoS LLQ.
Fig 15.
Case Study 8—IPv6 traditional routing.
Fig 16.
Case Study 9—IPv6 QoS.
Fig 17.
Case Study 10—IPv6 MPLS.
Fig 18.
Case Study 11—IPv6 MPLS Diffserv-aware TE with MAM.
Fig 19.
Case Study 12—IPv6 MPLS Diffserv-aware TE with RDM.
Fig 20.
Case Study 13—IPv6 MPLS Diffserv-aware TE with MAM and QoS LLQ.
Fig 21.
Case Study 14—IPv6 MPLS Diffserv-aware TE with RDM and QoS LLQ.
Table 2.
Findings derived from the preceding table.
Table 3.
IPv4 different scenario results.
Table 4.
IPv6 different scenario results.
Fig 22.
Throughput comparison for IPv4.
Fig 23.
Jitter comparison for IPv4.
Fig 24.
Throughput comparison for IPv6.
Fig 25.
Jitter comparison for IPv6.
Fig 26.
Throughput comparison between IPv4 and IPv6.
Fig 27.
Jitter comparison between IPv4 and IPv6.