GMPLS interoperability test in Super SINET Shoichiro Asano The National Institute of Informatics Hirokazu Ishimatsu Japan Telecom Co., Ltd.

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Presentation transcript:

GMPLS interoperability test in Super SINET Shoichiro Asano The National Institute of Informatics Hirokazu Ishimatsu Japan Telecom Co., Ltd.

Super SINET Ultrahigh-speed network intended to develop and promote Japanese academic researchers by strengthening collaboration among leading research institutes. Operated by The National Institute Informatics (NII) which is an independent administrative corporation. Besides the academic network, there is the research project studying the next generation optical networks.

Super SINET composition figure

Research project Focus on optical technologies –Physical layer 40G bit/s transmission Dispersion compensation Optical regeneration –Control plane GMPLS interoperability GMPLS LSP recovery

Testbed Cisco series routers Calient 3D-MEMS-based PXCs Mitsubishi bascule-type PXC NEC DWDM systems 30-km-long Installed fiber

Photograph of testbed Control Plane (Ethernet Hub) Control Plane (Ethernet Hub) 3D-MEMS PXCs (Calient DiamondWave) 3D-MEMS PXCs (Calient DiamondWave) Bascule type PXC (Mitsubishi PXC) Bascule type PXC (Mitsubishi PXC) Routers (Cisco 12400) Routers (Cisco 12400) DWDM (NEC SpectralWave, backside of these machenes) DWDM (NEC SpectralWave, backside of these machenes)

Bascule type optical switch 16x16 switching matrix 0.3 ms switching speed

What we have achieved All-optical end-to-end path rerouting PXC, WDM, and IP router integration Full set of generalized multi-protocol label switching (GMPLS) protocol suite –RSVP-TE, OSPF-TE, LMP and LMP-WDM Two types of PXCs –3D-MEMS, bascule type optical switch Installed cable as one of data links Four vendor interoperability

Test configuration Site B WDM_B Control plane network PXC_A PXC_B PXC_C Control plane network (Fast Ethernet) Data plane network (OC-48 POS, 1310nm) 99:1 coupler Optical power monitor Router_ARouter_B PXC_A, PXC_B: Calient Diamondwave PXC_C: Mitsubishi PXC Router_A, Router_B: Cisco GSR WDM_A, WDM_B: NEC SpectralWave WDM_A Site A variable attenuator Installed cable (30km) 3D-MEMS Bascule optical switch

Path setup Site B WDM_B PXC_A PXC_B PXC_C Router_ARouter_B WDM_A Site A variable attenuator Signaling for setup (RSVP-TE)

Fault detection, localization Site B WDM_B PXC_A PXC_B PXC_C Router_ARouter_B WDM_A Site A variable attenuator Path error (RSVP-TE) Path error (RSVP-TE) Link error (LMP-WDM) Link error (LMP-WDM) Link error (LMP-WDM) Link error (LMP-WDM) Signaling for deletion (RSVP-TE)

Find alternative route, restoration Site B WDM_B PXC_A PXC_B PXC_C Router_ARouter_B WDM_A Site A variable attenuator Topology discovery Find alternative route Signaling for setup (RSVP-TE) × ×

Message sequence ChannelStatus: SF PathTear PathError PathTear Path Path Resv PXC_A PXC_B Router_A Router_B PXC_C WDM Path deletion Fault localization Topology discovery, Rerouting calculation Alternative LSP setup Time [ms] Probably be able to shorten by router software improvement Pre resource allocation (i.e. protection) may improve this

Measured optical power during restoration process (three PXCs test)

Conclusion Interoperability of PXCs, WDMs and IP routers has been successfully demonstrated using an installed fiber. –Two types of PXCs; bascule type optical switch, 3D-MEMS Four major GMPLS protocols have been interoperated. –RSVP-TE, OSPF-TE, LMP, and LMP-WDM Successful rerouting of all-optical path has been performed by the signaling via out-of- band control plane network.

Backup slides

Network configuration (two PXCs test) Site B WDM_B Control plane network (Ethernet LAN) PXC_A PXC_B Control plane network (Fast Ethernet) Data plane network (OC-48 POS, 1310nm) 99:1 coupler Optical power monitor Router_ARouter_B PXC_A, PXC_B: Calient Diamondwave Router_A, Router_B: Cisco GSR WDM_A, WDM_B: NEC SpectralWave WDM_A Site A variable attenuator Installed cable (30km) 3D-MEMS

Restoration procedure - Path setup - Site B WDM_B PXC_A PXC_B Router_A (Initiator) Router_B (Terminator) WDM_A Site A variable attenuator Signaling for setup (RSVP-TE)

Restoration procedure - Fault detection, localization - Site B WDM_B PXC_A PXC_B Router_A (Initiator) Router_B (Terminator) WDM_A Site A variable attenuator Path error (RSVP-TE) Link error (LMP-WDM) Link error (LMP-WDM) Signaling for deletion (RSVP-TE)

Restoration procedure - Find alternative route, restoration - Site B WDM_B PXC_A PXC_B Router_A (Initiator) Router_B (Terminator) WDM_A Site A variable attenuator Topology discovery (OSPF-TE) Find alternative route Signaling for setup (RSVP-TE) × ×

Message sequence (two PXCs test) ChannelStatus: SD ChannelStatus: SF PathTear PathError PathTear Path 6354 Path Resv 6775 PXC_A PXC_B Router_A (Initiator) Router_B (Terminator) WDM PathError PathTear Path Resv ResvTear Resv ResvTearResv ResvTear PathTear ChannelStatus: SF Fault localization Path deletion Topology discovery Rerouting calculation Alternative path setup Time[ms] Probably be able to shorten by router software improvement Pre resource allocation (i.e. protection) may improve this

Measured optical power during restoration process (two PXCs test)