COMMUNICATION DEVICE, CONTROL METHOD, AND PROGRAM
To provide a control method and program that can set a lower limit value appropriately according to a user environment in which a communication device is used via a setting screen for setting the lower limit value of MSS (Maximum Segment Size).SOLUTION: A communication device that performs TCP commu...
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Format | Patent |
Language | English Japanese |
Published |
10.03.2022
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Abstract | To provide a control method and program that can set a lower limit value appropriately according to a user environment in which a communication device is used via a setting screen for setting the lower limit value of MSS (Maximum Segment Size).SOLUTION: A communication device that performs TCP communication with an external device sets an MSS lower limit value to be used for the TCP communication on the basis of a user operation. The communication device also determines a smaller value among candidate values and an MSS set in the communication device as an MSS to be used for the TCP communication and establishes the TCP communication with the external device when a request to start the TCP communication is accepted from the external device if a candidate value of acceptable MSS received from the external device is greater than or equal to the set lower limit value.SELECTED DRAWING: Figure 5
【課題】MSS(Maximum Segment Size)の下限値を設定する設定画面を介して、通信装置が使用されるユーザ環境に応じて適切に下限値を設定できる制御方法及びプログラムを提供する。【解決手段】外部装置とTCP通信を行う通信装置は、ユーザ操作に基づき、TCP通信に使用するMSS下限値を設定する。また通信装置は、外部装置からTCP通信の開始要求を受け付けた場合に、外部装置から受け取った受け入れ可能なMSSの候補値が、設定された下限値以上である場合に、候補値と通信装置に設定されたMSSのうち、小さい値をTCP通信で使用するMSSとして決定し、外部装置とTCP通信を確立する。【選択図】図5 |
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AbstractList | To provide a control method and program that can set a lower limit value appropriately according to a user environment in which a communication device is used via a setting screen for setting the lower limit value of MSS (Maximum Segment Size).SOLUTION: A communication device that performs TCP communication with an external device sets an MSS lower limit value to be used for the TCP communication on the basis of a user operation. The communication device also determines a smaller value among candidate values and an MSS set in the communication device as an MSS to be used for the TCP communication and establishes the TCP communication with the external device when a request to start the TCP communication is accepted from the external device if a candidate value of acceptable MSS received from the external device is greater than or equal to the set lower limit value.SELECTED DRAWING: Figure 5
【課題】MSS(Maximum Segment Size)の下限値を設定する設定画面を介して、通信装置が使用されるユーザ環境に応じて適切に下限値を設定できる制御方法及びプログラムを提供する。【解決手段】外部装置とTCP通信を行う通信装置は、ユーザ操作に基づき、TCP通信に使用するMSS下限値を設定する。また通信装置は、外部装置からTCP通信の開始要求を受け付けた場合に、外部装置から受け取った受け入れ可能なMSSの候補値が、設定された下限値以上である場合に、候補値と通信装置に設定されたMSSのうち、小さい値をTCP通信で使用するMSSとして決定し、外部装置とTCP通信を確立する。【選択図】図5 |
Author | UCHIKAWA SHINICHI |
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SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
Title | COMMUNICATION DEVICE, CONTROL METHOD, AND PROGRAM |
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