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PXE features

PXE (Preboot eXecution Environment) is the predominant standard for network booting on the x86 platform. The facilities provided and required by plain old PXE are somewhat archaic.
The open-source iPXE project provides a free (GPL) implementation of PXE with many enhancements not found in legacy PXE implementations, such as:
- iSCSI boot - the ability to boot an operating system (such as Linux or Microsoft Windows Server 2003) directly from an iSCSI target.
- AoE (ATA-over-Ethernet) boot - the ability to boot an operating system (such as Linux or Microsoft Windows XP) directly from a Coraid Etherdrive NAS.
- HTTP boot - the ability to boot directly from a web server.
- Boot scripts - the ability to write a script to control the network boot process.