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公开(公告)号：EP1864463B1
公开(公告)日：2009-07-15
申请号：EP06708769.2
申请日：2006-03-15
发明人： BASSO, Claude , CALVIGNAC, Jean , CHANG, Chih-jen , DAMON, Philippe , VAIDHYANATHAN, Natarajan , VERPLANKEN, Fabrice , VERRILLI, Colin Beaton
IPC分类号： H04L12/413 , H04L29/06
CPC分类号： H04L12/413 , H04L69/12 , H04L69/16 , H04L69/161 , H04L69/22 , H04L69/324
摘要： A system and method for reducing latency in a host Ethernet adapter (HEA) includes the following. First, the HEA receives a packet with an internet protocol (IP) header and data in the HEA (200) . The HEA parses a connection identifier from the IP header (205) and accesses a negative cache in the HEA (220) to determine if the connection identifier is not in a memory external to the HEA (240) . The HEA applies a default treatment to the packet (245) if the connection identifier is not in the memory, thereby reducing latency by decreasing access to the memory.
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公开(公告)号：EP1864465B1
公开(公告)日：2013-05-08
申请号：EP06725061.3
申请日：2006-03-15
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公开(公告)号：EP1864465A1
公开(公告)日：2007-12-12
申请号：EP06725061.3
申请日：2006-03-15
发明人： CALVIGNAC, Jean , BASSO, Claude , KIEL, Harvey Gene , VERPLANKEN, Fabrice , VAIDHYANATHAN, Natarajan , FUHS, Ronald Edward , DAMON, Philippe , CHANG, Chih-jen , LUCKE, Alan Kyle , VERRILLI, Colin Beaton
摘要： Providing communications between operating system partitions and a computer network. In one aspect, an apparatus for distributing network communications among multiple operating system partitions includes a physical port allowing communications between the network and the computer system, and logical ports associated with the physical port, where each logical port is associated with one of the operating system partitions. Each of the logical ports enables communication between a physical port and the associated operating system partition and allows configurability of network resources of the system. Other aspects include a logical switch for logical and physical ports, and packet queues for each connection and for each logical port.
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公开(公告)号：EP1864463A1
公开(公告)日：2007-12-12
申请号：EP06708769.2
申请日：2006-03-15
发明人： BASSO, Claude , CALVIGNAC, Jean , CHANG, Chih-jen , DAMON, Philippe , VAIDHYANATHAN, Natarajan , VERPLANKEN, Fabrice , VERRILLI, Colin Beaton
IPC分类号： H04L29/06
CPC分类号： H04L12/413 , H04L69/12 , H04L69/16 , H04L69/161 , H04L69/22 , H04L69/324
摘要： A system and method for reducing latency in a host Ethernet adapter (HEA) includes the following. First, the HEA receives a packet with an internet protocol (IP) header and data in the HEA (200) . The HEA parses a connection identifier from the IP header (205) and accesses a negative cache in the HEA (220) to determine if the connection identifier is not in a memory external to the HEA (240) . The HEA applies a default treatment to the packet (245) if the connection identifier is not in the memory, thereby reducing latency by decreasing access to the memory.
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5.发明公开
公开(公告)号：EP1864444A1
公开(公告)日：2007-12-12
申请号：EP06708771.8
申请日：2006-03-15
发明人： ARIMILLI, Ravi Kumar , CALVIGNAC, Jean , BASSO, Claude , CHANG, Chih-jen , DAMON, Philippe , FUHS, Ronald Edward , SHARMA, Satya Prakash , VAIDHYANATHAN, Natarajan , VERPLANKEN, Fabrice , VERRILLI, Colin Beaton
IPC分类号： H04L12/413 , H04L29/06
CPC分类号： H04L12/413 , H04L12/40032 , H04L69/12 , H04L69/16 , H04L69/161 , H04L69/324
摘要： An Ethernet adapter is disclosed. The Ethernet adapter comprises a plurality of layers for allowing the adapter to receive and transmit packets from and to a processor. The plurality of layers include a demultiplexing mechanism to allow for partitioning of the processor. A Host Ethernet Adapter (HEA) is an integrated Ethernet adapter providing a new approach to Ethernet and TCP acceleration. A set of TCP/IP acceleration features have been introduced in a toolkit approach: Servers TCP/IP stacks use these accelerators when and as required. The interface between the server and the network interface controller has been streamlined by bypassing the PCI bus. The HEA supports network virtualization. The HEA can be shared by multiple OSs providing the essential isolation and protection without affecting its performance.
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