Abstract Delay Tolerant Networks (DTNs) are type of Intermittently Connected Networks
(ICNs) featured by long delay, intermittent connectivity, asymmetric data rates and high error …

The dynamic evolution of the space sector, often referred to as" New Space," has led to
increased commercialization and innovation. This transformation is characterized by a surge …

Since their appearance at the dawn of the second millennium, Delay or Disruption Tolerant
Networks (DTNs) have gradually evolved, spurring the development of a variety of methods …

As satellite networks grow larger and begin to incorporate interplanetary communication,
there is an increasing interest in the unsolved problem of how to approach PKI in these …

This chapter examines the use of delay-tolerant networks (DTNs) in the context of deep-
space data communications: an application area with extreme demands for delay tolerance …

Cryptographic key exchange is considered to be a challenging problem in Delay Tolerant
Networks (DTNs) operating in deep space environments. The difficulties and challenges are …

Existing group key management scheme may not be applied effectively in Delay tolerant
network where transmission between nodes (users) has the characteristics of irregular …

Key Management in Delay Tolerant Networks (DTN) still remains an unsolved complex
problem. Due to peculiar characteristics of DTN, important challenges that make it difficult to …

In this paper we reflect upon the challenges and constraints of a DTN infrastructure handling
space data and propose a suitable security architecture for offering security services. The …

Key management is considered to be a challenging task in delay tolerant networks (DTNs)
operating in environments with adverse communication conditions such as space, due to the …