IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0970138
(2010-12-16)
|
등록번호 |
US-8572260
(2013-10-29)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
12 |
초록
▼
Methods, computing devices, and computer readable storage media to test network connections using a port unit having a plurality of processors. A plurality of transmission control protocol (TCP) connections to be initiated by the port unit during a test session may be defined. For each processor, an
Methods, computing devices, and computer readable storage media to test network connections using a port unit having a plurality of processors. A plurality of transmission control protocol (TCP) connections to be initiated by the port unit during a test session may be defined. For each processor, an associated set of predetermined source port numbers corresponding to the plurality of TCP connections may be determined. A first processor of the plurality of processors may open TCP connections, via the network, from the defined plurality of TCP connections, wherein each TCP connection may be opened using the corresponding source port number from the set of source port numbers associated with the first processor.
대표청구항
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1. A method to test network connections using a port unit having a plurality of processors, comprising: defining a plurality of transmission control protocol (TCP) connections to be opened by the port unit during a test session, each TCP connection having a source internet protocol (IP) address, a d
1. A method to test network connections using a port unit having a plurality of processors, comprising: defining a plurality of transmission control protocol (TCP) connections to be opened by the port unit during a test session, each TCP connection having a source internet protocol (IP) address, a destination IP address, and a destination port number;determining a set of predetermined source port numbers, wherein the set of predetermined source port number contains a predetermined source port number uniquely associated with each possible combination of one processor from the plurality of processors and one TCP connection from the plurality of TCP connections, andeach predetermined source port number is selected such that a predetermined hash function applied to the predetermined source port number and the destination port number, the source IP address and the destination IP address of the associated TCP connection returns a hash value pointing to the associated processor;storing the sets of predetermined source port numbers in the port unit; andconducting the test session, conducting the test session further comprising: a first processor of the plurality of processors opening TCP connections, via the network, from the defined plurality of TCP connections,wherein each TCP connection is opened using the predetermined source port number uniquely associated with the first processor and with the TCP connection. 2. The method of claim 1, further comprising: two or more processors, including the first processor, of the plurality of processors opening TCP connectionswherein each TCP connection is opened using the corresponding predetermined source port number from the set of predetermined source port numbers associated with the processor that opens the TCP connection. 3. The method of claim 2, wherein each processor of the plurality of processors is associated with a respective predetermined port memory, the method further comprising: storing, for each processor of the plurality of processors, an associated subset of the set of predetermined source port numbers in the associated predetermined port memory. 4. The method of claim 3, further comprising: each processor of the plurality of processors that opens a TCP connection retrieving the corresponding source port number from the associated predetermined port memory. 5. The method of claim 1, further comprising, after one or more TCP connections have been opened: receiving a packet associated with a specific open TCP connectionapplying the predetermined hash function to a source port number, a destination port number, a source IP address and a destination IP address extracted from the received packet to obtain a hash value pointing to a processor that opened the specific open TCP connectiondirecting the received packet to the processor that opened the specific open TCP connection for processing. 6. The method of claim 5, wherein each processor of the plurality of processors is associated with a respective connection memory, the method further comprising: the processor that opened the specific open TCP connection storing connection state information in the associated connection memory. 7. The method of claim 5, wherein each processor of the plurality of processors is associated with a respective received packet queue, the method further comprising: a hardware traffic receiver applying the predetermined hash function to obtain the hash value pointing to the processor that opened the specific open TCP connectionthe hardware traffic receiver placing the received packet in the received packet queue associated with the processor that opened the specific open TCP connection. 8. A machine-readable storage medium storing instructions that, when executed by a computing device having a plurality of processors, causes the computing device to perform actions comprising: defining a plurality of transmission control protocol (TCP) connections to be opened by the port unit during a test session, each TCP connection having a source internet protocol (IP) address, a destination IP address, and a destination port number;storing a set of predetermined source port numbers, wherein the set of predetermined source port numbers includes a predetermined source port number uniquely associated with each possible combination of one processor from the plurality of processors and one TCP connection from the plurality of TCP connections, andeach predetermined source port number is selected such that a predetermined hash function applied to the predetermined source port number and a destination port number, a source IP address and a destination IP address of the associated TCP connection returns a hash value pointing to the associated processor;conducting the test session, conducting the test session further comprising: a first processor of the plurality of processors opening TCP connections, via a network under test, from the defined plurality of TCP connectionswherein each TCP connection is opened using the predetermined source port number uniquely associated with the first processor and the TCP connection. 9. The machine-readable storage medium of claim 8, the actions performed further comprising: two or more processors, including the first processor, of the plurality of processors opening TCP connectionswherein each TCP connection is opened using the predetermined source port number uniquely associated with the TCP connection and the processor that opens the TCP connection. 10. The machine-readable storage medium of claim 9, wherein each processor of the plurality of processors is associated with a respective predetermined port memory, the actions performed further comprising: storing, for each processor of the plurality of processors, an associated subset of the set of predetermined source port numbers in the associated predetermined port memory. 11. The machine-readable storage medium of claim 10, the actions performed further comprising: each processor that opens a TCP connection retrieving the corresponding source port number from the associated predetermined port memory. 12. The machine-readable storage medium of claim 8, further comprising, after one or more TCP connections have been opened: receiving a packet associated with a specific open TCP connectionapplying the predetermined hash function to a source port number, a destination port number, a source IP address and a destination IP address extracted from the received packet to obtain a hash value pointing to a processor that opened the specific open TCP connectiondirecting the received packet to the processor that opened the specific open TCP connection for processing. 13. The machine-readable storage medium of claim 12, wherein each processor of the plurality of processors is associated with a respective connection memory, the actions performed further comprising: the processor that opened the specific open TCP connection storing connection state information in the associated connection memory. 14. The machine-readable storage medium of claim 12, wherein each processor of the plurality of processors is associated with a respective received packet queue, the actions performed further comprising: a hardware traffic receiver obtaining the hash value pointing to the processor that opened the specific open TCP connectionthe hardware traffic receiver placing the received packet in the received packet queue associated with the processor that opened the specific open TCP connection.
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