MLNMRN based on OTN draftraoccampmlnmrnotnospfteext03 Rajan Rao rraoinfineracom Khuzema Pithewan kpithewaninfineracom IETF88 Nov2013 Outline Overview Changes from 02 to 03 ID: 659660
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Slide1
OSPF-TE Extensions for MLN/MRN based on OTNdraft-rao-ccamp-mlnmrn-otn-ospfte-ext-03
Rajan
Rao
(
rrao@infinera.com
)
Khuzema Pithewan (
kpithewan@infinera.com
)
IETF-88 Nov’2013Slide2
OutlineOverviewChanges from 02 to 03Next StepsSlide3
OverviewThis 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 & OTNSlide4
Changes from 02 to 03Minor cleanupsSection rearrangements
Contains interworking examples Slide5
Next StepsWould like to move the draft forwardSlide6
BackupSlide7
Example
Hybrid Node
Ethernet Switch
OTN Switch
10GigE
100GigE
OTU4
OTU4
300G
IACD1
Upper
SwitchCap
/
EncTyp
: PSC/Ethernet
Lower
SwitchCap
/
E
ncType
: OTN-TDM/G.709
ODUk
SCSI
:
SignalType+Hierarchy
ODU2-ODU4 (For 10GigE)
Advertises ISCD_PSC, IACD1
Advertises ISCD_OTN, IACD1IACD2
Advertises ISCD_PSC, IACD2
Advertises ISCD_OTN, IACD1IACD2
IACD2
Upper
SwitchCap
/
EncTyp
: PSC/Ethernet
Lower
SwitchCap
/
E
ncType
: OTN-TDM/G.709
ODUk
SCSI
:
SignalType+Hierarchy
ODU4(For 100GigE)Slide8
Changes from 01 to 02Layer 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.