End-to-end slicing in all-optical networks

I.Baldine

Project overview

• Collaboration between RENCI and Duke University – ORCA framework (Duke NICL; Jeff Chase)– BEN – Breakable Experimental Network

• 4-node dark fiber metro testbed managed by RENCI• Fiber switches• DWDM Transport equipment• Routers, edge resources

– Infinera – industry partner• DTN platforms deployed in BEN in support of research

activities

• ORCA – flexible leasing core and supporting tools– Mature multi-year effort

– Prototype capable of edge-resource provisioning• Goal – extend ORCA to support BEN resources

– Demonstrate end-to-end slicing of an all optical network from PHY layer up

Cluster D

• Kansei– Anish Arora, Ohio State– Hongwei Zhang, Wayne State

• Vehicular Mobile Network– Brian Levine, Mark Corner, Brian Lynn,

UMass

• ViSE – Virtualized Sensing Environment– Jim Kurose, Michael Zink, Prashant

Shenoy, David Irwin, UMass

Slicing of a network

Link slivering

Cluster D

BEN Equipment

• Polatis fiber switches– ‘Grey’– Establish a fiber path between

nodes

• Infinera DTN– DWDM Transport– Provisions circuits at a multiple

of ODU-1 (2.5Gbps) granularity– Bandwidth Virtualization TM

• Cisco and Juniper routers– VRFs and other virtualization

features

BEN Topology

BEN Slice Options

Slice Description

NDL

• Origin: Universiteit van Amsterdam– SNE group

• Under development for several years• In use within GLIF• Based on OWL/RDF

– Can be used with RDF frameworks– Inference engines/reasoners– Query tools (SPARQL)– Other semantic web advances

• Based on G.805 and the concept of adaptation

More on NDL

• NDL strengths– Expresses adaptations/encapsulations– Expresses topologies– Can be used to express both existing

configurations and requests– Understands the concept of wavelengths– Based on a rich set of semantic web

technologies

• Missing pieces– Wavebands– Spectrum extents– Edge and core node resources

ORCA+NDL

• ORCA associates property lists with resources – Interpreted by controller plugins, not the core

• At its simplest a property list is an XML document– Can be an NDL document

• BEN controller would utilize an RDF framework to parse and operate on the descriptions

• Requests also take the form of NDL– Can be merged with the specification in a single

ontology

Current progress

• Working on NDL description of BEN• Determining various possible

configurations for demos• Near-term goal

– Canned demos expressed as NDL, processed by ORCA

• Longer term goals– Add ability to express spectrum regions– Edge and core node resources– Multi-domain