OSPF-TE Extensions for MLN/MRN based on OTN draft-rao-ccamp-mlnmrn-otn-ospfte-ext-03 Rajan Rao Khuzema Pithewan

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Presentation transcript:

OSPF-TE Extensions for MLN/MRN based on OTN draft-rao-ccamp-mlnmrn-otn-ospfte-ext-03 Rajan Rao Khuzema Pithewan IETF-88 Nov’2013

Outline Overview Changes from 02 to 03 Next Steps

Overview This draft covers routing extensions for MLN/MRN (RFC 5212) based on OTN Extends IACD (RFC 6001) to include OTN layer identification Covers following interworking scenarios – OTN & Ethernet – OTN & FlexGrid – OTN & SONET/SDH – OTN & OTN

Changes from 02 to 03 Minor cleanups Section rearrangements – Contains interworking examples

Next Steps Would like to move the draft forward

Backup

Example Hybrid Node Ethernet Switch OTN Switch 10GigE 100GigE OTU4 300G IACD1 Upper SwitchCap/EncTyp : PSC/Ethernet Lower SwitchCap/EncType : OTN-TDM/G.709 ODUk SCSI : SignalType+Hierarchy ODU2-ODU4 (For 10GigE) Advertises ISCD_PSC, IACD1 Advertises ISCD_OTN, IACD1 IACD2 Advertises ISCD_PSC, IACD2 Advertises ISCD_OTN, IACD1 IACD2 Upper SwitchCap/EncTyp : PSC/Ethernet Lower SwitchCap/EncType : OTN-TDM/G.709 ODUk SCSI : SignalType+Hierarchy ODU4(For 100GigE)

Changes from 01 to 02 Layer ID TLV is modified to carry additional information to infer, if the Layer Identification belongs to upper region or lower region R bit is used to make sense whether the Layer ID is for Lower region or upper region. 1 means upper region and 0 means lower.