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Attach virtual media

You can attach an ISO to virtual media (like CDROM) on the server via redfish virtual media API. Generally requires license. BMC will download & present it as virtual CD ROM to the host OS/bios.

UEFI HTTP boot

Uses reliable TCP connection, instead of UDP (TFTP). Thus enables scalability & performance using http load balancer. Still requires functional DNS, DHCP, http servers. Just uses HTTP over TFTP.

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