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Thursday, 08 February 2007 20:00

Live NASA TV covers third ISS spacewalk at 8:26 a.m. EST 2/8/2007

International Space Station commander Mike Lopez-Alegria and flight engineer Sunita Williams begin the third of three spacewalks at 8:26 a.m. eastern standard time (EST) Thursday, February 8, 2007.

Beginning from the International Space Station’s Quest airlock, the construction activities of the two Expedition 14 spacewalking astronauts can be seen live on NASA TV.

To view the live NASA television coverage of the EVA 8 spacewalk, go to: https://www.nasa.gov/multimedia/nasatv/index.html.

For more information about their activities, go to the earlier ITwire article “EVA 8 spacewalk of space station astronauts scheduled for February 8th” at: https://www.itwire.com.au/content/view/9297/1066/.

The ISS astronauts are helping to speed up construction of the space station, which in the past had been reserved for Space Shuttle astronauts. NASA administrator Mike Griffin recently reported on the critical part that the space station plays in NASA’s Vision for Space Exploration: "NASA is moving forward with a new focus for the manned space program: to go out beyond Earth orbit for purposes of human exploration and scientific discovery. And the International Space Station is now a stepping stone on the way, rather than being the end of the line."

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Now’s the Time for 400G Migration

The optical fibre community is anxiously awaiting the benefits that 400G capacity per wavelength will bring to existing and future fibre optic networks.

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Initial challenges are associated with supporting such project and upgrades to fulfil the promise of higher-capacity transport.

The foundation of optical networking infrastructure includes coherent optical transceivers and digital signal processing (DSP), mux/demux, ROADM, and optical amplifiers, all of which must be able to support 400G capacity.

With today’s proprietary power-hungry and high cost transceivers and DSP, how is migration to 400G networks going to be a viable option?

PacketLight's next-generation standardised solutions may be the answer. Click below to read the full article.


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