The scalable long-term solution for the network core has not changed. Signals in the
core of the network must continue to be aggregated to produce high-speed connections.
In today??™s long-haul networks, this means aggregating wavelengths. The number of
wavelengths will continue to grow, but management complexity will not, as the focus
shifts from managing wavelengths to managing large segments of capacity.
The circuit-bonding-based big pipe concept is ideally suited to the requirements of
rapidly growing packet networks and high-capacity transmission. The ability to flexibly
provide new service and capacity lies in the devices that provide the aggregation.
Where This Solution Fits?
Ethernet is the dominant LAN technology utilized in enterprise networks to interconnect
virtually every type of office equipment and to interconnect LANs that are
TDM: Circuit Bonding 283
in close physical proximity. Ethernet is a simple and mature connection technology
to transport IP data that combines low cost and ease of operation. Ethernet, as
a LAN technology, was never intended as a service delivery platform. It does not
contain features required by service providers to operate and support services.
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