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Hi,
Can I have a SONET/SDH LSP that passes through a SONET ADM
as its transit LSR??
Consider a situation as shown below -
A---------------B---------------C
The link A-B is a STS-12 link, B does a byte-interleaved
multiplexing of 4 STS-12 and forms a STS-48, thus B-C is STS-48.
Can a LSP for unstructured VC-4 be setup with A as
ingress, B as transit and C as the egress??
As per the draft "Framework for GMPLS based control of
SONET/SDH networks" the frames are not labeled instead it is the flow that is
being labelled. It also mentions that tunnels should be
used when switching from a different signal level i.e VC-12 to VC-4.
With this in mind, I would assume that a LSP as mentioned
should be possible, because the signal type remains same i.e VC-4 even the
frames get interleaved from STS-12 to STS-48.
Please correct me if I am wrong.
Thanks in advance.
Regards
Vinay
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