Disaggregated transport network development in NTT ... · Disaggregated transport network...

Contact: tsdn-demo@ntt.com Copyright © NTT Communications Corporation. All rights reserved.

Disaggregated transport network development in NTT Communications

Aggregation NW / Core NWMetro NW Global NW

OTN/WDM OTN/WDMOTN / WDM

Transport NW ControllerTransport NW Controller

OrchestratorOrchestrator

API

CLI/REST/NETCONF

VLAN VLAN/MPLS VLAN

Streaming TelemetryStreaming Telemetry

API

Feedback

OpenConfig Telemetry

Goal of Transport SDN in NTT Com

Aggregated Disaggregated

Disaggregated Transport Network

Architecture

Disaggregated Network

Why Disaggregated Aggregated Disaggregated

CostDevice Selection Vendor lock-in Multi vendor

Scaling One size fits all Rightsize

DeliveryIntegration

Hardware-driven integration

Software-driven integration

Upgrade Forklift upgrade Piece-wise upgrade

Contact: tsdn-demo@ntt.com Copyright © NTT Communications Corporation. All rights reserved.

Disaggregated transport network development in NTT Communications

Logically Centralized Control・Optimize resource usage・Dynamic traffic provisioning・Multi-layer resiliency

Optical Network

OTNWDM

Fiber switching

Optical Network

OTNWDM

Fiber switching

Packet Network

IPMPLSVLAN

Packet Network

IPMPLSVLAN

Disaggregated Transport Network・Reduces CAPEX & OPEX・Eliminates vendor lock-in・Allows rightsizing and piece-wise

upgrades

Disaggregated Architecture of Demonstration

ONOS Overview

transpondertransponder

muxpondermuxponder

ROADMROADM

ROADMROADM

To optical transportFiber

SwitchFiber

Switch

To packet layer

ONOSONOS

EDFAEDFA

OPS*OPS*

・Multi-layer topology in one viewFeatures in Demonstration

・Support multiple protocols(NETCONF, TL1, REST, OpenFlow...)

・Hierarchical path management and protection switching

Normal View Oblique View

Available paths Primary path and Backup path

OpenFlow, SNMP, TL1, NETCONF, REST

OPS: Optical Protection Switch

Demonstrated on ONS 2017 by ON.Lab

・Open source project・Governed by ON.Lab・NTT Communications　　acts as a partner