Abstract: Embodiments of the present invention address deficiencies of the art in respect to data backup and archival tools and provide a method, system and computer program product for the dispersal and retrieval of fragments in a peer-to-peer data backup and archival network. In an embodiment of the invention, a method for the dispersal and retrieval of fragments in a peer-to-peer data backup and archival network can include partitioning a file into multiple, different fragments for storage in a peer-to-peer data backup and archival network, selecting different peer hosts in the peer-to-peer data backup and archival network to store different ones of the fragments, and storing each of the fragments in at least one of the selected different peer hosts. Optionally, the fragments can be encrypted before storage in the different peer hosts.

Abstract: Embodiments of the present invention address deficiencies of the art in respect to data backup and archival tools and provide a method, system and computer program product for periodically shuffling data fragments in a data backup set across different storage media in a peer-to-peer data backup and archival network. In an embodiment of the invention, a method for periodic shuffling of data fragments in a data backup set across different storage media in a peer-to-peer data backup and archival network can be provided. The method can include partitioning a file into multiple, different fragments for storage in a peer-to-peer data backup and archival network, storing the fragments in different peer hosts in the peer-to-peer data backup and archival network, and periodically shuffling the stored fragments to different peer hosts. In an aspect of the embodiment, the method also can include encrypting the fragments before storage in the different peer hosts.

Abstract: Embodiments of the present invention address deficiencies of the art in respect to data backup and archival tools and provide a method, system and computer program product for periodically shuffling data fragments in a data backup set across different storage media in a peer-to-peer data backup and archival network. In an embodiment of the invention, a method for periodic shuffling of data fragments in a data backup set across different storage media in a peer-to-peer data backup and archival network can be provided. The method can include partitioning a file into multiple, different fragments for storage in a peer-to-peer data backup and archival network, storing the fragments in different peer hosts in the peer-to-peer data backup and archival network, and periodically shuffling the stored fragments to different peer hosts. In an aspect of the embodiment, the method also can include encrypting the fragments before storage in the different peer hosts.

Abstract: Embodiments of the present invention address deficiencies of the art in respect to data backup and archival tools and provide a method, system and computer program product for the dispersal and retrieval of fragments in a peer-to-peer data backup and archival network. In an embodiment of the invention, a method for the dispersal and retrieval of fragments in a peer-to-peer data backup and archival network can include partitioning a file into multiple, different fragments for storage in a peer-to-peer data backup and archival network, selecting different peer hosts in the peer-to-peer data backup and archival network to store different ones of the fragments, and storing each of the fragments in at least one of the selected different peer hosts. Optionally, the fragments can be encrypted before storage in the different peer hosts.

Abstract: Embodiments of the present invention address deficiencies of the art in respect to data backup and archival tools and provide a method, system and computer program product for securing fragments in a peer-to-peer data backup and archival network. In an embodiment of the invention, a method for securing fragments in a peer-to-peer data backup and archival network can include partitioning a file into multiple, different fragments in a byte stream for storage in a peer-to-peer data backup and archival network, encrypting each of the fragments in the byte stream individually, and storing the encrypted fragments for the byte stream in different peer hosts in the peer-to-peer data backup and archival network.

Abstract: A method includes electronically advertising structural clearance information of overpasses to an oncoming vehicle so as to determine a continued route of the vehicle. Each of the overpasses includes a transceiver. The transceiver of each overpass other than a final overpass sequentially transmits information to the transceiver of a nearest respective overpass in a direction facing the vehicle. The transceiver of an initial overpass transmits information which includes a minimum vertical clearance beneath the initial overpass. The transceiver of each overpass other than the initial overpass compares a minimum vertical clearance beneath its corresponding overpass with a minimum vertical clearance received from the transceiver of a respective preceding overpass and determines a lowest minimum vertical clearance. The transceiver of the final overpass transmits information to the oncoming vehicle.