Menara Networks was issued a U.S. patent (#7580637) for its proprietary approach to integrate ITU-T G.709 OTN framing, OAM processing, forward error correction, and other DWDM optical networking functions into various bit-rate, hot pluggable optical transceivers while at the same time preserving and adhering to the Multi-Source Agreement (MSA) aspects of the respective pluggable optical transceiver module. Menara has shipped the industry’s first such product in 2007 in the form of a OTN DWDM XENPAK module.
http://www.menaranet.com
Menara Awarded OTN "System-in-a-Module" Patent
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From the Technology Graveyard
You just read about OTN. Here is what it replaced:
SONET / SDH served 1988–2020. What ultimately replaced it?
SONET / SDH a synchronous TDM hierarchy that framed tributaries into standard optical rates (OC-3/12/48...), multiplexed by a master clock, with fast (<50 ms) ring protection over redundant fiber paths. Its job passed to OTN — but the problem it solved, and the ideas it proved, live on in what replaced it. The standard rests here in the archive. One of 198 technologies here that opened a door and then held it for the next.
On this day
March 23From 25 years of the Converge Digest archive.