Patent ID: 9560115
Date: 2017-01-31
CPC Classifications: H04L

Claim:
1. A method for file transfer, the method comprising: sending, by a client data processing system, a file download request to a file server data processing system, the file download request identifying a range of bytes corresponding to a section of a file to be downloaded; receiving, by the client data processing system, a command instruction file from the file server data processing system, the command instructions file containing a list of instructions that, when executed, perform a file transfer according to the file download request, the command instruction file including a ticket value; downloading, by the client data processing system and according to the command instruction file, the section of the file corresponding to the file download request and identified by the range of bytes, wherein the client data processing system uses the ticket value as an authentication token when downloading the section of the file; receiving, by the client data processing system, a section response from the file server data processing system, wherein the section response comprises the section of the file and a digest for the section; and in response to a determination that all sections of the file have been received, reassembling the sections.