Invention Grant
US07684423B2 System and method for virtual network interface cards based on internet protocol addresses 有权
基于互联网协议地址的虚拟网络接口卡的系统和方法

System and method for virtual network interface cards based on internet protocol addresses
Abstract:
A system including a network interface card (NIC) associated with a Media Access Control (MAC) address and a host operatively connected to the NIC. The NIC includes a default hardware receive ring (HRR), a plurality of non-default HRRs, and a hardware classifier. The hardware classifier is configured to analyze an inbound packet using a destination Internet Protocol (IP) address and to send the inbound packet to one of the plurality of non-default HRRs if the inbound packet is a unicast packet, and to send the packet to the default HRR if the inbound packet is an inbound multi-recipient packet. The host includes a plurality of virtual NICs (VNICs) and an inbound software classifier, that includes a plurality of software receive rings (SRRs) and is configured to obtain inbound packets from the default HRR, and to determine to which of the plurality of SRRs to send a copy of the packet.
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