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Bundle Authentication Header (BAH): the infrastructure protection mechanism The Bundle Authentication Header is computed at every sending bundle agent and checked at every receiving bundle agent on every hop along the way from the source to the destination. It contains an encrypted hash of the entire bundle, minus the payload If the received hash does not match the hash calculated at the receiver, the bundle is discarded. Bundle Agent Region ? Region ? Source Application Node Destination Application Node BAH BAH BAH BAH Source vs. Sender Destination vs. Receiver Sender Receiver/ Sender Receiver/ Sender Receiver/ Sender Receiver |