We conduct large-scale cellular trace-driven experiments comparing different opportunistic network coded data dissemination strategies and different cache seeding strategies for distributing a large data object across a country-scale network of thousands of local repositories. We compare fragmentation, source-only erasure coding, cache coding, network coding, and propose two new dissemination strategies motivated by performance issues. We also experiment with several strategies for pre-seeding information to the local repositories, and examine the time/work trade-offs involved.
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