Additionally, the large LSPs reduce network
complexity since fewer are created. Instead of creating many LSPs on many physical
connections, each large LSP in the superchannel contains a tremendous payload.
Another benefit of the superchannel in data networking is the creation of a new level
of multiplexing. The high-speed ports allow for the aggregation of packets from many
low-speed ports from various routers. Creating this layer eliminates the wasteful interconnections
that exist between routers in current networks.
From a data-networking perspective, there are no benefits??”only drawbacks??”to
maintaining many parallel links between network locations. Each physical link must
be managed independently. A more scalable solution is to deploy high-speed interfaces.
The big pipe concept supports this philosophy by transporting the high-speed superchannel
signals generated at the routers.
Transmission Benefits
Today, wavelengths in WDM transmission networks are independent. No relationship
exists between any two wavelengths, and no assumptions are made concerning where
the payloads originate and terminate. Therefore, the current generation of WDM systems
has been produced with full flexibility down to the wavelength level.
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