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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0600646 (2012-08-31) |
| 등록번호 | US-8553699 (2013-10-08) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 303 |
One or more flow control modules, implemented on various types of network topologies, provide a number of functionalities for controlling the flow of IP packets (such as TCP/IP packets) over a network connection. The flow control modules may be implemented within a sender and/or receiver or may be d
One or more flow control modules, implemented on various types of network topologies, provide a number of functionalities for controlling the flow of IP packets (such as TCP/IP packets) over a network connection. The flow control modules may be implemented within a sender and/or receiver or may be deployed into a network as a separate device without requiring significant additional resources.
1. A method for communicating using Internet Protocol (IP) via a computer network, the method comprising: transmitting, by a flow control module configured on a device, a data packet from a sender to a remote system, the transmitted data packet including a transport layer sequence number and a first
1. A method for communicating using Internet Protocol (IP) via a computer network, the method comprising: transmitting, by a flow control module configured on a device, a data packet from a sender to a remote system, the transmitted data packet including a transport layer sequence number and a first internet layer internet protocol identifier (IP ID) field, the first IP ID field comprising a first unique value;retransmitting, by the flow control module, the data packet to the remote system, the retransmitted data packet including the transport layer sequence number and a second IP ID field, the second IP ID field comprising a second unique value different than the first unique value;receiving, by the flow control module, an acknowledgment packet sent by the remote system, the acknowledgement packet including the transport layer sequence number and a transport control protocol (TCP) timestamp echo reply field, the TCP timestamp echo reply field comprising one of the first unique value or the second unique value; anddetermining, by the flow control module, whether the received acknowledgment packet acknowledges receipt by the remote system of the transmission of the data packet or the retransmission of the data packet, via the value of the TCP timestamp echo reply field. 2. The method of claim 1, wherein the first unique value and second unique value comprise timestamps. 3. The method of claim 1, wherein the first unique value and second unique value comprise unique counter values. 4. The method of claim 1, wherein the first unique value and second unique value are sequential. 5. The method of claim 1, further comprising: transmitting, by the flow control module, one or more additional data packets from the sender to the remote system prior to retransmitting the data packet; andpresuming lost, by the flow control module, the one or more additional data packets sent prior to retransmitting the data packet, responsive to: (i) determining that the received acknowledgement packet acknowledges receipt by the remote system of the retransmission of the data packet, and (ii) receipt of the one or more additional data packets not being acknowledged by the remote system. 6. A system for communicating using Internet Protocol (IP) via a computer network, the system comprising: a device deployed between a sender and a remote system, the device comprising a flow control module, the flow control module configured to:transmit a data packet to the remote system, the transmitted data packet including a transport layer sequence number and a first internet layer internet protocol identifier (IP ID) field, the first IP ID field comprising a first unique value;retransmit the data packet to the remote system, the retransmitted data packet including the transport layer sequence number and a second IP ID field, the second IP ID field comprising a second unique value different than the first unique value;receive an acknowledgment packet sent by the remote system, the acknowledgement packet including the transport layer sequence number and a transport control protocol (TCP) timestamp echo reply field, the TCP timestamp echo reply field comprising one of the first unique value or the second unique value; anddetermine whether the received acknowledgment packet acknowledges receipt by the remote system of the transmission of the data packet or the retransmission of the data packet, via the value of the TCP timestamp echo reply field. 7. The system of claim 6, wherein the first unique value and second unique value comprise timestamps. 8. The system of claim 6, wherein the first unique value and second unique value comprise unique counter values. 9. The system of claim 6, wherein the first unique value and second unique value are sequential. 10. The system of claim 6, wherein the flow control module is further configured to: transmit one or more additional data packets from the sender to the remote system prior to retransmitting the data packet; andpresume lost the one or more additional data packets sent prior to retransmitting the data packet, responsive to: (i) determining that the received acknowledgement packet acknowledges receipt by the remote system of the retransmission of the data packet, and (ii) receipt of the one or more additional data packets not being acknowledged by the remote system. 11. The system of claim 6, wherein the flow control module communicates with a second flow control module on the remote system. 12. The system of claim 6, wherein the device comprises one of a server, a client or an intermediary network device.
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