Delay and Disruption Tolerant Networking (DTN) has been proposed as an architecture for dealing with heterogeneity and disruption of end-to-end connectivity. While some of the DTN design is unremarkable relative to other approaches, there are several key design decisions which are novel and likely useful for the design and development of both DTN and possibly other efforts.
In this talk I will review some of these decisions, and discuss their implications for further developments, including how the DTN architecture can be used with benefit as a common "spanning layer" even in non-disrupted networking environments.
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