Working Group D

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Working Group D

Cloud Computing and Big Data Technologies for Ground Systems
(Recording not available)


This is the eleventh year of this working group. The main objective of the working group is to continue discussion on the adoption of cloud computing and Big Data in satellite ground systems. The Cloud Reference Model and Roadmap produced by Aerospace will be used to frame the discussion. The working group will focus on:

  • State of the art in cloud computing and ground systems technologies;
  • Cloud reference models and roadmaps;
  • Cloud-based ground systems;
  • Cloud and Big Data technologies;
  • Cloud security, standards, and compliance;
  • Acquisition strategies for cloud-based systems;
  • Cloud computing economics; and
  • Cloud performance management.

This working group will consist of two parts. Part 1 will include presentations, case studies, and demonstrations related to cloud computing and Big Data for ground systems. Part 2 will be a town hall meeting on cloud computing and Big Data for ground systems. This will include a moderated discussion on the focus issues mentioned above, with expert opinions from panelists. Presenters, panelists, and participants will include ground systems providers, integrators, and operators, cloud solutions providers, and others interested in ground systems and cloud computing.

Leads Ramesh Rangachar and Craig Lee, The Aerospace Corporation


Ramesh Rangachar is a Senior Project Engineer in the Environmental Remote Sensing Directorate, Civil Systems Group of the Aerospace Corporation. He is supporting NOAA/NESDIS, providing technical support as a Ground Systems Architect at the Office of System Architecture and Advanced Planning (OSAAP). Prior to joining The Aerospace Corporation, Ramesh worked as Director of Technology at Creative Information Technology, Inc. (CITI) where he led efforts to keep CITI at the cutting edge of innovative solutions that include Open Source Platforms, Cloud Computing, Big Data, and Identity Management. Ramesh has worked as Senior Manager at Intelsat, where he managed system development, integration and operational support of satellite ground systems. Ramesh has also worked as Adjunct Assistant Professor at the University of Maryland, University College and as a Guest Researcher at the National Institute of Standards and Technology (NIST). He has a Master’s degree in Mechanical Engineering from the University of Maryland.

Dr. Craig A. Lee is a Senior Scientist in the Computer Systems Research Department of the Aerospace Corporation. He has worked in high‐performance parallel and distributed computing for the last thirty years. This work has led to Dr. Lee’s involvement in the Open Grid Forum (OGF) where he served as President from 2007 to 2010. Dr. Lee served as the main liaison between OGF and the DMTF, SNIA, TMF, the Open Cloud Consortium, Cloud Security Alliance, OMG, and OASIS. Dr. Lee is now on the OGF Board of Directors and heavily involved with NIST, having contributed significantly to the NIST Cloud Standards Roadmap and supporting the NIST Cloud Technology Roadmap. He has served on the WG program committee for many conferences and workshops, and has served as a panelist for the NSF, NASA, DOE, and as an international evaluator for INRIA. Dr. Lee has published over 70 technical works, including four book chapters and seven edited volumes and issues.


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