Although we have demonstrated the feasibility of this approach, we have notyet addressed its integration in the existing Web infrastructure. There are two problemsthat need to be addressed. First, servers need to be adapted so that they cansupport per-document policies. Second, servers need to cooperate to allow replicasto be dynamically installed and removed, and to redirect clients to the nearestreplica. One additional requirement is that adaptations should fit into the currentWeb infrastructure, requiring minimal modifications to existing servers
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