Mobile Internet access must deal with frequent network disruption

segmentation and highly error rate.Delay tolerant network protocol can help it.However

in this circumstance

the knowledge oracle

that DTN routing algorithms need

is probabilistic uncertain.So a space-based routing algorithm was proposed to eliminate it.Access router information matrixes in Path Predictable Environment were designed to decided k-Anycast router aggregate

so that the generalized k-Anycast can moderate traffic explosion.Utility maximization model allocates bandwidth resources to k eligible access routers in access period

with DTN custody transfer

can be transmitted packets simultaneously to multiple destination.Simulations show that it gains better transmission performance and robustness and more flexibility to support open network topology changes.