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Microservices architecture for CubeSat mission control systems

Umesh Anilchandra Bhat, Gregor Eesmaa, Laura Ruusmann Tõnis Kasekamp, Vadym Ponomarov

ESTCube, Estonia

iCubeSat 2017, Cambridge, United Kingdom 30-31 May 2017

ESTCube-2

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Launch: 2019 Q1-Q2*

Mission Control System - Overall

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MCS Ground Stat ion

Ground Stat ion

Ground Stat ion

Operator(s)

ESTCube-2 Team - St ructure

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SYS AOCS EPS

COM OBCS CAM

ST STR MCS* MCS – Mission Control System

ESTCube-2 MCS - Role

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• Extension of the ground stat ion

• Track and maintain communicat ion

• Control and exchange information

ESTCube-2 MCS - Team

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• 10+ passionate students

• Following industry best pract ices

• Work-in-progress since 2016

Monoliths

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ESTCube-2 MCS - Vision

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• Fault-tolerant, Scalable and Secure

• Upgradable, Migrat ion-friendly

• Easy for newcomers to adopt

ESTCube-2 MCS - Challenges

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• Coordinat ion

• Heterogenous

• Automation

• Deduplicat ion

• Processing

ESTCube-2 MCS - Architecture

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• Microservices architecture

• 50+ independent applicat ions

• Powered by

Containers

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• Operat ing-system-level virtualizat ion

• 1 container = 1 applicat ion

• 1 applicat ion does 1 job!

Containers versus Virtual Machines

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Containers - Health

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Containers - Scaling

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Version 1.0

Containers - Versioning

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Version 1.5

• Scale horizontally across hosts

• Self-healing systems

• Powered by

Containers - Scalability

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Containers – Pros and Cons

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• Lightweight

• Resource Utilisat ion

• Build Once, Run Anywhere

• Security

• Complicated if not

done properly

ESTCube-2 MCS – Hardware Test Plat form

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HWT – Hardware Test Platform

MCS Operator(s)

System under test

Spacecraft in orbit

TTCN-3 based HWT powered by

ESTCube-2 MCS – Model Based SE*

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MBSE – Model-Based Systems Engineering

• Predict ing behaviour over t ime

• Models and simulat ion integrat ion

• Dynamic nature of missions

ESTCube-2 MCS – Contact Terminal*

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CT – Command Terminal

• Quicker than “clicking/tapping”

• Script ing capabilit ies

ESTCube-2 MCS – Ground Stat ion Beacon*

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GSB – Ground Station Beacon

Ground Stat ion

Ground Stat ion

Ground Stat ion

MCS Operator(s)

ESTCube-2 MCS – Knowledge Base *

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KB – Knowledge Base

KB

ESTCube-2 MCS – Contact Automat ion*

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CA – Contact Automation

• Make the operator’s life easier

• Auto re-scheduling of packets

• Dynamic queue assignment

• Quick add/remove scient ific libraries

• Better collaborat ion

• Highly scalable

ESTCube-2 MCS – Data Processing Plat form*

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DPP – Data Processing Platform

ESTCube-2 MCS – Adaptat ion

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ESTCube-2 MCS – Offering

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• MCS As A Service (MCSaaS)

• Partnerships (Operat ions and Resources)

Takeaway

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• Make everything modular

• Think scalability

• Think interoperability

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Aitäh! (Thank you in Estonian)