Nonetheless, it is still a challenge to discern the best fit.
3 It would be presumptuous to assert anything more definitive in this very dynamic realm.
502 Chapter 16
Delivering Carrier Ethernet: A Summary of the Solutions
Part II of the book discussed almost the entire gamut of solutions for delivering Carrier
Ethernet services; these spanned a wide range of physical media, transport technologies,
design focus, applications support, and economics. Some of them are better suited
than others in a particular circumstance; nonetheless, they are all commercially viable,
revenue generating solutions that are currently being deployed to varying degrees by
Service Providers. Chapter 3 gives an idea about the extent of this deployment and
Figure 16.1 illustrates the landscape of these solutions used in the delivery of Carrier
Ethernet services to business enterprises.
Deciding on the optimal solution that a Service Provider should employ is typically a
function of numerous variables. These commonly encompass the provider??™s current and
future (or strategic) focus, the existing technology infrastructure and its footprint, (perceived)
competitive threats and advantages, economic profitability targets, customer
demand and growth opportunities, the availability of substitutes to Carrier Ethernet,
and so on.
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