Tom AffertonTom AffertonMember of OIF Board of DirectorsMember of OIF Board of Directors

Division Manager – AT&T LabsDivision Manager – AT&T LabsAfferton@att.comAfferton@att.com

OIF Website: www.oiforum.comOIF Website: www.oiforum.com

What is the OIF? Launched in April of 1998 with an objective to foster

development of low-cost and scaleable internet using optical technologies

The only industry group bringing together professionals from the data and optical communities

Open forum: 250+ member companies• international • carriers• component and systems vendors• testing and software companies

Mission: To foster the development and deployment of interoperable products and services for data switching and routing using optical networking technologies

OIF Focus Low-cost Scaleable Optical Internetworking

• IP-Over-Switched Optical Network Architecture• Physical layer

• Low-cost optical interfaces between networking elements• Standard device level electrical interfaces for low-cost

systems• Control layer interoperability between data and optical layers

• Dynamic configuration using IP signaling and control mechanisms

• Accommodate legacy network under the new physical and control layer mechanisms

OIF StructureTechnical Committee: 6 Working Groups

Carrier• Requirements and applications

Architecture• Services, network requirements and architectures

Signaling• Protocols for automatic management of optical connections

OAM&P (Operations, Administration, Maintenance and Provisioning)

• Network management Physical and Link Layer

• Equipment and subsystem module interfaces Interoperability

• Interoperability testing

Output from OIF Implementation agreements, based upon:

• Carrier group’s requirements• Existing standards and specification when available • New solutions when necessary

Interoperability testing procedures• Ensures compliance to implementation agreements and

ultimately interoperable products and networks

Input into other standards bodies• Formal liasons in place with numerous other organizations

(e.g. ITU, IETF. Complete list in back-up slides)

OIF Process for Generating Implementation Agreements Framework provided by Working Group structure

• Working groups establish consensus-driven projects to focus contributions

Progress driven by member contributions• Posted on OIF website• Basis for activities at quarterly technical meetings

Formal voting process for reaching Implementation Agreements

• Two step process• Straw ballot – passes with simple majority• Principal ballot – passes with 2/3rds majority

• Process enables open debate, incorporation of comments• Formal votes at each step

• One vote per member company

OIF Activities – Physical LayerBusiness Need Lower equipment costs through interface

agreements that reduce customizationKey Projects Internal system interfaces

• System/Physical Interface (SPI) SPI-3, SPI-4 complete for 10G• SPI-5 in progress for 40G

• Serializer/Deserializer-Framer Interface (SFI) SFI-4 complete for 10G• SFI-5 in progress for 40G

Low cost premises equipment interfaces• Very Short Reach (VSR)

VSR-1, VSR-2, VSR-3, VSR-4 complete for 10 Gb/s

• VSR-5 in progress for 40 Gb/s• Footprint specification for tunable lasers in

progress

Link Layer(Packet and Cell based Protocols)

Rest of the System

SONET/SDH Framer

PHY Layer

SERDES

E/O Transceiver

Transmission Media

SPI

SFI

VSR

OIF Activities – Control Layer Switched Optical Networks A switched optical network is an optical network in which connections

can be created using switching control technology. The OIF is among the organizations working on the interfaces to enable

controllers to work together to perform this function

Call Request

Connection RequestCall Accept

Call Accept

Connection Indication

OIF Activities – Control Layer

OpticalNetwork B

Client

Business Need Lower operations costs through automation of

routing optical circuitsKey Projects User-to-Network Interface – enables client

equipment to request a service across optical networks

UNI 1.0 complete for SONET circuits 25 vendor interop. Demonstratation at

Supercomm in June, 2001• Built upon protocols from IETF• Also completed Call Detail Records to support

billing with UNI 1.0• UNI 2.0 in progress to add other features

Network-to-Network Interface – enables optical networks to interact to deliver an end-to-end service

• NNI 1.0 in progress Targeting 1H03 for interoperability

demonstration

OpticalNetwork A

Client

NNI

UNI

UNI

Why do service providers care about optical control plane interfaces? Intelligent control plane, in general, lowers operating costs

• Automatic discovery of elements, capacity and connections• Automatic routing and recovery of circuits• Improved survivability against complex failures

“Standardized” control plane interfaces enable• Wider adoption of control plane capabilities• Multi-vendor/carrier interoperability• New dynamic optical services with customer control• “Plug and play” introduction of new vendors/technologies

In advance of control plane deployment, service providers will continue to rely on centralized management systems

OIF control plane work vs. other organizations

Internet Engineering Task Force (IETF)• Community of individuals • Generating “tool box” of protocols

International Telecommunications Union• Formal organization for establishing global standards• In progress of developing comprehensive standards for

“Automatic Switched Optical Network” Some overlap among OIF, IETF, ITU

• “Healthy” competition is evolving to cooperation

Req’tsProtocols

Req’ts FormalsStandards

ImplementationAgreements

Summary OIF brings together professionals from the data and

optical worlds OIF is addressing issues important to carriers and

their customers Control plane work is progressing well in OIF in

collaboration with other organizations like the IETF and ITU

Thank You

OIF Membership Breakdown

(data as of 12/01)

Americas77%

Europe16%

Asia7%

Geographic

Components

43%

Service7%

Systems37%

SW, testing10%

Other3%

Market Segment

Implementation Agreements SPI-3: System Packet Interface Level 3 for STS-48/STM-16 SPI-4 phase 1: System Physical Interface Level 4 for STS-192/STM-64 SPI-4 phase 2: System Packet Interface Level 4 for STS-192/STM-64 SFI-4: Serdes/Framer Electical Interface: Common electrical interface

between framers and serializer/deserializer parts for STS-192/STM-64 interfaces.

SFI-5: Serdes/Framer Electical Interface: 40Gb/s interface for physical devices SPI-5: OC-768 System Packet Interface Very Short Reach (VSR) OC-192 Interface based on 12 fiber Parallel Optics Serial OC192 1310 nm Very Short Reach (VSR) Interfaces Very Short Reach (VSR) OC-192 Interface based on 4 fiber Parallel Optics Serial OC192 850 nm Very Short Reach (VSR) Interfaces User Network Interface (UNI) 1.0 CDR: Call Detail Records for UNI 1.0 billing

OIF and other Standards Bodies

Established Liaisons With:• American National Standards Institute - ANSI T1• International Telecommunications Union - ITU-T• Internet Engineering Task Force - IETF • ATM Forum• IEEE 802.3ae 10 Gb Ethernet• Network Processing Forum - NPF• Metro Ethernet Forum - MEF• Tele Management Forum - TMF

OIFUNI 1.0, 2.0

NNI 1.0

Distributed Call & Connection Management

((G.7713/Y.1704)

Discovery Techniques

Data & Signaling

(G.7712/Y.1703)

ITU-T ASON Umbrella

Protocol for Automatic Discovery in SDH & OTN Networks

(G.7714.1)

Distributed Connection Mgmt.Protocols

(G.7713.1, G.7713.2, G.7713.3)

Automatically Switched Optical Network Architecture(G.8080/Y.1304)

Generalized AutomaticDiscovery Techniques

(G.7714/Y.1705)

Date Communications Network Arch.

(G.7712)

Automatically Switched Transport Network Reqts.

(G.807/Y.1301)

Architecture & Requirements for Routing (G.7715)

IETF GMPLS UmbrellaSignaling Functional Description RSVP-TE Extensions CR-LDP Extensions

SONET-SDH Extensions G.709 Extensions

Link Management(LMP, LMP-WDM)

RoutingOSPF-TE/IS-IS Extensions

ATMForum

PNNI signaling androuting extensions

OIF and other Standards Bodies