Subject:::Engine Failure Lingers on CRS-1 Space Station Supply Mission - Satellite Spotlight
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WEBINAR: SDN: Let's Cut The Hype, What is the Reality?



Thursday November 1st, 2012 11:00am ET/ 8:00 AM PT

Software Defined Networking (SDN) and OpenFlow have both received enormous attention and unfortunately are surrounded by much confusion. To understand SDN, we must take a step back and ask the question, what is SDN trying to achieve and how can how can the current SDN deployments in very large web-scale data centers translate into a tangible benefit for enterprise scale data centers. Taking a step back and looking at the bigger picture, SDN proposes one solution to an important problem we now face in the data center: the network and the applications are operating effectively in silos. Thus any automated attempt by the network or the application controllers, i.e. the hypervisor, to improve resource utilization can only achieve a suboptimal result. What is needed is a complete end-to-end coordinated virtual architecture enabling applications and the network to collaborate in providing a high quality experience for users and enable optimization of resource consumption. For any solution to be successful within the enterprise data center it must consider scale of the network in question as well as the desirable properties of current networks that should be maintained. Benefiting from the positive aspects of SDN network requires a clear strategy for both the application and network infrastructure.

What will attendees learn?

  • SDN: What is it, and what does it mean for the enterprise scale data center
  • Criteria to be evaluated in defining a strategy covering SDN principles for enterprise data center
  • Best practice recommendations for benefiting from SDN
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October 15, 2012

Engine Failure Lingers on CRS-1 Space Station Supply Mission

By Doug Mohney, Contributing Editor

NASA and SpaceX (News - Alert) have jointly formed a CRS-1 post-flight investigation board to determine what happened during an engine failure on the Falcon 9 rocket on the October 7 launch. While the primary payload/mission objective, the Dragon spacecraft, is now successfully docked at the International Space Station (ISS), the engine failure led to the effective loss of the secondary payload, an ORBCOMM (News - Alert) prototype satellite. 

Since Falcon 9 is the launch vehicle SpaceX will use for its commercial crew services offering, the engine-out is getting more than a once-over look.

During the evening launch of CRS-1, engine 1 of the Falcon 9's nine first stage engines registered a loss in pressure. The onboard flight computers shut the engine down and adjusted the burn time and trajectory of the remaining eight engines to make sure the Dragon spacecraft was put in a sufficient orbit to rendezvous with the space station...Read More>>>

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