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Sending software to space: a bundle of fun

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If you have a question about this talk, please contact Eiko Yoneki.

It’s easy enough to use an Internet router in the lab; less easy once it’s been rocketed to orbit. It’s one thing to run code for delay-tolerant networking on your desktop, another to run it in space. But doing all of that gives insights into where and why technology can (or can’t) get adopted for space, and where reuse across both space and terrestrial networks can be likely (and unlikely) to occur. An overview of lessons learned from experience gained from spending years doing stuff for space is given.

Bio: Lloyd Wood is a Chartered Engineer with experience in computing, networking and aerospace.

As a space initiatives manager for Cisco Systems’ Global Government Solutions Group, Lloyd was responsible for CLEO , the Cisco router in Low Earth Orbit. Lloyd spent some years making contributions to the Internet Engineering Task Force and modifying IOS , Cisco’s router software… so he’s gone on to fly his own code in space. Working with colleagues at NASA Glenn Research Center and Surrey Satellite Technology Ltd, Lloyd achieved the first tests from space of IPv6 and of the delay-tolerant networking bundle protocol intended for the ‘Interplanetary Internet.’

Lloyd gained his PhD from the Centre for Communication Systems Research at the University of Surrey, where he researched internetworking with satellite constellations, and to where he has returned as a research fellow working on satellite networking. Further information is at:

This talk is part of the Computer Laboratory Systems Research Group Seminar series.

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