Thursday, November 21, 2013

Optical Internetworking Forum Continues 100G and 400G Work

The Optical Internetworking Forum (OIF) launched three new projects following its Q4 Technical meeting last month in Hong Kong:

400G Framework Document  - the Physical and Link Layer (PLL) and Carrier Working Groups joined forces to begin developing a 400G Framework Document that will analyze and discuss trade-offs between high-order modulation formats, high data rates per channel and a number of subcarriers.  The effort is expected to lead to the definition of application scenarios and limits for 400G operation. The framework document will also consider single optical carrier vs. multi-carrier solutions for long haul and metro applications.

Integrated Polarization Multiplexed Quadrature Modulated Transmitters for Metro Applications -- targeting 100G coherent optical modulator modules for metro applications. This new project will incorporate the use of new and advanced modulator technologies which will enable smaller and more cost-effective components needed for these metro applications.

Multi-Link Gearbox (MLG) 3.0 - an effort to define a protocol to support in-band and remote Monitoring & Control and define IEEE 802.3bj RS-FEC compatibility.  In some applications the transport of 10GBASE-R signals over Nx20G links requires definition, including 2X20G and 1X40G links. The MLG 3.0 Project will define in-band coding that preserves 10GBASE-R physical lane-to-lane ordering and in-lane bit ordering to support synchronous and asynchronous 10G lanes.

The OIF also announced the election of its new leadership.  Newly elected to the board of directors is Dave Brown of Alcatel-Lucent, who will serve a one-year term as vice president of marketing. Re-elected to the OIF board of directors are the following: Steve Joiner of Finisar, who will serve a two-year term; John McDonough of NEC America, who will serve a one-year term, was appointed vice president; and Vishnu Shukla of Verizon, who will serve a two-year term, was appointed president.

Newly elected OIF officers and committee chairs, each serving a one-year term, include: Nathan Tracy of TE Connectivity as Technical Committee chair; Jonathan Sadler of Tellabs as Technical Committee vice chair, Brian Holden of Kandou as Market Awareness & Education Committee co-chair, PLL; Lyndon Ong of Ciena as Market Awareness & Education Committee co-chair, Networking.

“Recently, several approaches to achieving 400G data transmission have been proposed with reported transmit fiber distances from short haul to long haul applications,” said Nathan Tracy, TE Connectivity and the OIF’s Technical Committee chair.  “To develop this white paper, the OIF intends to bring the industry together to discuss the options and where the gaps exist for initial 400G long haul implementations.”

See also