TFTP is crazy slow, even with RFC 7740 (buffering), but the payloads are usually small so few people care.
Thankfully modern BIOSes tend to implement HTTP boot option, where you can point to any HTTP or HTTPS URL (as long as the URL ends with ".efi", which is a pretty dumb limitation if you ask me).
Thankfully modern BIOSes tend to implement HTTP boot option, where you can point to any HTTP or HTTPS URL (as long as the URL ends with ".efi", which is a pretty dumb limitation if you ask me).