In an era where space-based technologies play a pivotal role in critical public sector missions, modernizing the IT ecosystems that facilitate space communications has never been more essential. Whether supporting global defense operations, national disaster response or everyday conveniences like GPS, reliable and secure communications in space are vital to ensuring mission success, especially in denied, degraded, disrupted and limited environments.
Let’s examine the unique challenges faced by government agencies in space communications and the innovative strategies being employed to secure these indispensable links. By fostering public-private collaboration and embracing open standards and robust cybersecurity, we’ll see how agencies can build resilient systems capable of maintaining secure and uninterrupted communication, even in the face of the most demanding circumstances.
Key Challenges of Space-Based Communication
Space-based communications show up everywhere in daily life – from global positioning systems (GPS) and weather forecasting to traffic apps, emergency services and more. Space communications is also an essential component of modern defense operations and other classified domains. These are all situations where maintaining steady and reliable communications is essential, but the unique challenges of operating in space makes this objective easier said than done.
Modern IT systems and devices typically rely on high-performance cloud computing, high-bandwidth connectivity and low-latency mobile networks like 5G to function effectively. All of these resources become more difficult to deliver when part of the communication signal chain is off planet. Because space-based technology and infrastructure face inherent challenges related to size, weight and power (SWAP) constraints, onboard computing has traditionally been reserved for essential functions like life support, navigation and thruster control. For heavy processing tasks, data is typically offloaded to Earth ground stations for processing, resulting in latency, congestion, data loss and inefficiencies.
Traditional space communications networks are subject to data relay challenges caused by the ever-increasing volume of raw data produced and the vast distances involved, as well as potential interruptions from phenomena like solar flares. Interoperability challenges can also arise, including a lack of inter-satellite links between satellites within a constellation such as low Earth orbit (LEO), medium Earth orbit (MEO) and geostationary orbit (GEO). Public sector organizations are feeling intense pressure in the face of these tough operational conditions as they struggle to navigate high-stakes missions, constrained budgets, limited staffing resources and the critical need to break down operational silos.
Modernizing Space Communications
Innovating toward a more modernized space communications environment starts with understanding the domain’s unique infrastructure and operational limitations and then designing solutions to overcome them. For instance, newer “Earth-independent” connectivity and edge computing deployments are overcoming the inherent limitations of latency, bandwidth, cost and data integrity from traditional ground-to-space “bent pipe” architectures – where satellites rely excessively on ground stations for memory and computational tasks.
When modernizing these systems, transformation teams will likely find themselves dealing with some key implementation issues. Interoperability will remain a crucial priority, especially given the frequent need to integrate brownfield components of legacy space systems with newer technologies, such as artificial intelligence and machine learning (AI/ML), software-defined satellites (SDS), optical inter-satellite links and quantum key distribution (QKD. Here, open standards and deft use of public-private partnerships are essential for success. Open standards, such as Modular Open Standards Architecture (MOSA), promote compatibility and seamless integration, while strong public-partnerships ensure that technologies and space vehicles – whether developed in the public or private sector – can work together effectively.
Robust cybersecurity is another key priority, especially in the era of post-quantum computing. In August 2024, the National Institute of Standards and Technology (NIST) announced new standards designed to protect sensitive government information and ensure that communications remain secure in the future when large-scale quantum computers are more common. The stakes are particularly high in space, given the crucial role of satellites in Defense and National Security operations.
The right combination of interoperability, open standards and post-quantum encryption for cyber-resiliency allows transformation teams to fully modernize and future-proof space communications. In the process, entirely new use cases become possible. A compelling example here is the health monitoring system aboard the International Space Station (ISS), which combines Earth-based medical archives with advanced edge devices that process data locally in the station’s medical bay. Instead of transmitting data back to Earth, these devices enable rapid on-site analysis of microbes in air, water and surface samples – allowing for the quick identification of space-based fungi or bacteria to safeguard astronauts’ health.
In an era where space-based technologies are integral to critical public sector missions, modernizing the IT ecosystems that underpin space communication is more vital than ever. By addressing the unique challenges of space communications and embracing innovative strategies such as public-private collaboration and open standards, agencies can build resilient systems that guarantee secure, uninterrupted connectivity, even in the most demanding environments.
The author, Travis Steele is Chief Architect, Air Force and Space Force at Red Hat.