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Dynamic Module Standards Rob Johnson Standards Engineering Manager 11th July 2002 Contents • • • • • • • • • • • •3 Fibre Optic Standards Activities in the IEC IEC Fibre Optic Standards Organization Passive Components Next Generation Networks Enabling Agile Transparency Dynamic Modules Scope of Dynamic Modules Standards Group Typical Applications Standards Development Current Activities Looking Forward Summary Standards Engineering Fibre Optic Standards Activities in the IEC • International Electrotechnical Commission fibre optic standards activities centre around TC86 • IEC TC86 scope: ‘To prepare standards for fibre optic systems, modules, devices and components intended primarily for use with communications equipment.’ • Further information www.iec.ch 4 Standards Engineering IEC Fibre Optics Standards Organization IEC TC86 Fibre Optics TC86 WG8 Dynamic Modules TC86 WG4 Calibration TC86 WG1 Terminology SC86A Fibre and Cables SC86B Interconnects and Passive Components SC86C Fibre Optic Systems and Active Devices SC86A WG1 Fibre SC86B WG4 Test Methods SC86C WG1 Systems SC86A WG3 Cables SC86B WG5 Reliability SC86C WG3 Optical Amplifiers SC86B WG6 Connectors SC86C WG4 Active Components SC86B WG7 Passive Components 5 Standards Engineering Passive Components • Most of the work to date on optical switching standards, focussed in IEC SC86B WG7, Passive Components • IEC SC86B WG7 have developed standards on: – – – – – 6 Spatial switches Wavelength switches Medium scale (16-128 channel) MxN switches WWDM devices DWDM devices Standards Engineering Next Generation Networks • Current networks - opaque and static • Next generation networks - agile (flexible) and transparent • Agile = dynamically reconfigurable 7 Standards Engineering Enabling Agile Transparency • Products needed to enable agile transparency: – Optical transport technology that extends the distance between optical to electronic conversions – Optical switching technology that adds little cost or signal degradation to through traffic • Many companies working on such products 8 Standards Engineering Dynamic Modules • An important class of products are not currently being addressed in IEC TC86 • Differentiating features: – alter and control the inter-relationship of channels in a multichannel device. – provide flexible connectivity or conditioning, rather than being fixed (i.e. dynamic not static). • Some elements span across subgroups in IEC TC86 • Agreed to form a new group under TC86 called “Dynamic Modules” (TC86 WG8) 9 Standards Engineering Scope of Dynamic Modules Standards Group • Development of new standards for dynamic modules • Some anticipated projects: – – – – – – – 10 Control functions for signalling, telemetry, management, etc. Devices where states/paths are reconfigurable Optical Cross Connects Optical Add-Drop Multiplexers Dynamic Channel Equalisers Dynamic Gain Equalisers Dynamic Dispersion Compensators (polarization and chromatic) Standards Engineering Dynamic Modules - Typical Applications Campus Campus Network Small City OADM WSS CDC DCE OXC WSS OADM Long Haul Point to Point Long Haul Point to Point OADM Access Ring PDC Big City Inter-Office Ring OADM Access Ring Town ISP WSS Enterprise Homes 11 Standards Engineering Standards Development • Dynamic Module performance standard proposals multifaceted: – – – – – Module performance standard Component performance standards Electrical interface Embedded software Physical objective [longer term] • Draw on existing IEC standards wherever possible: – Components (e.g. IEC SC86B WG7) – Test methods (e.g. IEC SC86B WG4) • Ensure effective harmonization with ITU standards through liaison with SG15 Q17 12 Standards Engineering Current Activities • Request for participation of interested experts - Feb 2002 • Prioritise projects taking into account availability of experts – Performance Standard for Dynamic Channel Equalizer – Reliability Qualification Standard for Dynamic Modules – Performance Standard for Dynamic Polarization Mode Dispersion Compensators – Performance Standard for Dynamic Chromatic Dispersion Compensators – Software/Hardware Interface Standard – General and Guidance for Dynamic Modules 13 Standards Engineering Looking Forward • Continue development of existing standards proposals • Review and address new submissions • Next IEC TC86 WG8 meeting - 28th October 2002, Beijing, PRC 14 Standards Engineering Summary • Optical switching forms an important part of IEC’s standards activities • IEC TC86 WG8 established to address market need for standards to support dynamically reconfigurable networks • Recognition that internal and external liaison is important to ensure harmonization and avoid duplication • Further details: [email protected] 15 Standards Engineering