tftp-hpa 5.2+20150808-1ubuntu1.16.04.1 (s390x binary) in ubuntu xenial

 Trivial File Transfer Protocol (TFTP) is a file transfer protocol, mainly to
 serve boot images over the network to other machines (PXE).
 .
 tftp-hpa is an enhanced version of the BSD TFTP client and server. It
 possesses a number of bugfixes and enhancements over the original.
 .
 This package contains the client.