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DTN Security Goals Due to the resource-scarcity that characterizes DTNs, the emphasis of DTN security is on protecting the DTN infrastructure from unauthorized access and use Prevent access by unauthorized applications, Prevent unauthorized applications from asserting control over the DTN infrastructure, Prevent authorized applications from sending bundles at a rate or class of service for which they lack permission, Promptly detect and discard bundles that were not sent by authorized users, (early detection within infrastructure rather than at destination), Promptly detect and discard bundles whose headers have been modified Promptly detect and disable compromised entities Secondary emphasis is on providing optional end-to-end security services to bundle applications. |