backbone
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... of the philosophical guidelines to which architects and designers of
Internet backbone networks should adhere. While many of the areas
outlined in this document may be controversial, the unifying
principle described here, controlling complexity as a mechanism to
...
...
Now, consider the case of a a DS3 backbone with PLCP turned on. Then
the maximum cell rate is 96,000 cells/sec. If you multiply this
value by the number of bits ...
...
Internet backbones. The first question we might ask is what is the
current average utilization of Internet backbones ...
... backbones. The first question we might ask is what is the
current average utilization of Internet backbones, and how does that
relate to the utilization of long distance voice networks ...
... range, while commercial Internet
backbones run in the 15-20% range). On the other hand, the average
utilization of long haul voice ...
... edges. However, today's
Internet backbone routers are extremely complex. Further, this
complexity scales with line rate. Since the relative complexity of
...
... this use of the term over-provisioning is a misnomer. Rather, in
modern Internet backbones the unused capacity is actually protection
capacity. In particular, one might view this as "1:1 protection at
the IP layer ...
... network, the dynamics
of the Internet backbones favor 1:1 provisioning and its side effects
to keep the network stable and delay low.
...
... "Impact of Aggregation on Scaling Behavior of Internet Backbone Traffic", Sprint ATL Technical Report TR02-ATL-020157 Zhi-Li Zhang, Vinay Ribeiroj, Sue Moon, Christophe Diot, February, 2002. ...