14.4. CONCLUSIONS
In this chapter, we have described the economic drivers behind network consolidation in the access part of the network. We have shown how MPLS is the ideal way to achieve this, by analogy with the way in which it is used in core networks. We have described different models for how the consolidation can be achieved. Using MPLS in both the core and access network gives the operator the option of having a unified core and access network based on common technology, with the flexibility of choosing the optimum location of each service delivery function. In this chapter, we have discussed MPLS in the context of access networks for fixed operators. Another emerging application of MPLS as an access technology is in the mobile Radio Access Network (RAN). This is discussed in more detail in the next chapter.
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