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Ethernet port multiplication using VLAN tagging or tail tagging.Support for multi-homed hosts (multiple IPv4 addresses per interface).Support for virtual interfaces (multiple MAC addresses per physical interface).IP fragmentation and reassembly support.Well-crafted TCP module with selective acknowledgement (SACK) and congestion control.
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Efficient data transfer through zero copy.Blocking/non-blocking socket operation and event-driven functions (select and poll).Debugging and trace functionality to ease development and integration.Portable architecture (no processor dependencies).Configurable memory model (static memory pool or heap memory allocation).Flexible memory footprint (built-time configuration to embed only the necessary features).
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