Patent ID: 9143553
Filing Date: 2015-09-22
Classification: H04L

Abstract:
1. A method of transferring data using a Trivial File Transport Protocol (TFTP), the method comprising: sending a first request packet from a client to a server, the first request packet requesting that a first file be transferred; transferring the first file according to the first request packet if a first acknowledgement packet is received at the client from the server indicating that the server can accommodate request of the first request packet; sending a second request packet from the client to the server if transfer of the first file does not complete successfully, the second request packet including a TFTP option indicating that transfer of the first file be retried beginning at a first block after a final block that was successfully transferred in response to the first request packet, wherein the TFTP option includes a retry block quantity identifying a quantity of blocks that will be retried in response to the second request packet, wherein the quantity of blocks is fewer than a total quantity of unsuccessfully transferred blocks remaining in the first file; and retrying the transfer of the first file according to the second request packet if a second acknowledgement packet is received at the client from the server indicating that the server can accommodate the request of the second request packet.