Table of contents
Combined revision comparison
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This section provides a detailed description of SoftEther VPN protocol. For more information on SoftEther VPN protocol, see #1.6VPN Communication Details#..
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For method of actually conducting stable VPN communications through a proxy server or other firewall, see #4.4.11#.
4.4 Making Connection to VPN Server.
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| Session type | Reconnection interval | Number |
| Ordinary VPN sessions initiated by VPN Client | Min. 5 seconds (default is 15 seconds) | 0 - unlimited (default is unlimited) |
| Cascade connection VPN sessions initiated by VPN Server / VPN Bridge | 10 seconds (fixed) | Unlimited (fixed) |
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| If the number of TCP/IP connections is simply increased, rather than enhancing throughput of VPN communications, if the bandwidth of the communication route with the VPN Server on the IP network is large, it appears that increasing the number of connections often enhances throughput or stabilizes communication. Oppositely, in the case of low speed lines like ISDN or PHS where bandwidth is just server tens or hundreds of kbps, because the band is consumed by Keep-Alive messages and control data of various TCP/IP connections, fewer connections often improved stability and enhances communications speed. The number of optimal TCP/IP connections furthermore varies according to the amount of data and type of communications protocol used within the VPN session. After actually constructing VPN, we recommend you select the proper setting while using the communication throughput measurement tool. For details on the communication throughput measurement tool, see |
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SoftEther VPN protocol supports QoS for VPN communication and gives band priority to high priority packets such as VoIP packets for transmission processing. For details see #1.9.4#.1.9 VoIP / QoS Support Function
Version from 03:33, 2 Mar 2013
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This section provides a detailed description of SoftEther VPN protocol. For more information on SoftEther VPN protocol, see #1.6#.
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For method of actually conducting stable VPN communications through a proxy server or other firewall, see #4.4.11#.
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| Session type | Reconnection interval | |
| Ordinary VPN sessions initiated by VPN Client | Min. 5 seconds (default is 15 seconds) | 0 - unlimited (default is unlimited) |
| Cascade connection VPN sessions initiated by VPN Server / VPN Bridge | 10 seconds (fixed) | Unlimited (fixed) |
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| If the number of TCP/IP connections is simply increased, rather than enhancing throughput of VPN communications, if the bandwidth of the communication route with the VPN Server on the IP network is large, it appears that increasing the number of connections often enhances throughput or stabilizes communication. Oppositely, in the case of low speed lines like ISDN or PHS where bandwidth is just server tens or hundreds of kbps, because the band is consumed by Keep-Alive messages and control data of various TCP/IP connections, fewer connections often improved stability and enhances communications speed. The number of optimal TCP/IP connections furthermore varies according to the amount of data and type of communications protocol used within the VPN session. After actually constructing VPN, we recommend you select the proper setting while using the communication throughput measurement tool. For details on the communication throughput measurement tool, see |
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SoftEther VPN protocol supports QoS for VPN communication and gives band priority to high priority packets such as VoIP packets for transmission processing. For details see #1.9.4#.
Version as of 02:24, 3 Mar 2013
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This section provides a detailed description of SoftEther VPN protocol. For more information on SoftEther VPN protocol, see 1.6VPN Communication Details.
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For method of actually conducting stable VPN communications through a proxy server or other firewall, see 4.4 Making Connection to VPN Server.
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| Session type | Reconnection interval | Number of reconnection attempts |
| Ordinary VPN sessions initiated by VPN Client | Min. 5 seconds (default is 15 seconds) | 0 - unlimited (default is unlimited) |
| Cascade connection VPN sessions initiated by VPN Server / VPN Bridge | 10 seconds (fixed) | Unlimited (fixed) |
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| If the number of TCP/IP connections is simply increased, rather than enhancing throughput of VPN communications, if the bandwidth of the communication route with the VPN Server on the IP network is large, it appears that increasing the number of connections often enhances throughput or stabilizes communication. Oppositely, in the case of low speed lines like ISDN or PHS where bandwidth is just server tens or hundreds of kbps, because the band is consumed by Keep-Alive messages and control data of various TCP/IP connections, fewer connections often improved stability and enhances communications speed. The number of optimal TCP/IP connections furthermore varies according to the amount of data and type of communications protocol used within the VPN session. After actually constructing VPN, we recommend you select the proper setting while using the communication throughput measurement tool. For details on the communication throughput measurement tool, see 4.8Measuring Effective Throughput. |
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SoftEther VPN protocol supports QoS for VPN communication and gives band priority to high priority packets such as VoIP packets for transmission processing. For details see 1.9 VoIP / QoS Support Function
