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CSPF consideration (example) (2) Lambda switch capable (LSC) at transiting nodes +-----+---------+---------+---------+---------+-------------------+ |Case |LSP |Ingress |Transit |Egress |Remarks | +-----+---------+---------+---------+---------+-------------------+ | |SC |lambda |<=lambda |lambda |<=lambda |gmpls-routing-09 | |1|Enc|lambda |lambda |lambda |lambda |section 3.7, 3.10 | | |BW |X |<=bw^so |<=bw^tr |<=bw^en | | +-----+---------+---------+---------+---------+-------------------+ | |SC |lambda |<=lambda |lambda |<=lambda |gmpls-routing-09 | |2|Enc|SONET/SDH|SONET/SDH|SONET/SDH|SONET/SDH|section 3.6, 3.9 | | |BW |X |=bw^so |=bw^tr |=bw^en |Specified in G.691 | +-----+---------+---------+---------+---------+-------------------+ | |SC |lambda |<=lambda |lambda |<=lambda | | |3|Enc|Etherner |Ethernet |Ethernet |Ethernet | | | |BW |X |=bw^so |=bw^tr |=bw^en |Specified in IEEE | +-----+---------+---------+---------+---------+-------------------+ | |SC |lambda |<=lambda |lambda |<=lambda | | |4|Enc|OTN |OTN |OTN |OTN | | | |BW |X |=bw^so |=bw^tr |=bw^en |Specified in G.709 | +-----+---------+---------+---------+---------+-------------------+ The LSP to be created from an ingress GMPLS attributes to be satisfied in CSPF calculation (<=lambda means psc/L2SW/TDM/Lambda) |