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Split tunneling is a computer networking concept which allows a mobile user to access dissimilar security domains like a public network (e.g., the Internet) and a local LAN or WAN at the same time, using the same or different network connections. This connection state is usually facilitated through the simultaneous use of, a Local Area Network (LAN) Network Interface Card (NIC), radio NIC, Wireless Local Area Network (WLAN) NIC, and VPN client software application without the benefit of access control. For example, suppose a user utilizes a remote access VPN software client connecting to a corporate network using a hotel wireless network. The user with split tunneling enabled is able to connect to file servers, database servers, mail servers and other servers on the corporate network through the VPN connection. When the user connects to Internet resources (Web sites, FTP sites, etc.), the connection request goes directly out the gateway provided by the hotel network. Split tunneling is sometimes categorized based on how it is configured.() A split tunnel configured to only tunnel traffic destined to a specific set of destinations is called a ''split-include'' tunnel. When configured to accept all traffic except traffic destined to a specific set of destinations, it is called a ''split-exclude'' tunnel. == Advantages == One advantage of using split tunneling is that it alleviates bottlenecks and conserves bandwidth as Internet traffic does not have to pass through the VPN server. Another advantage is in the case where a user works at a supplier or partner site and needs access to network resources on both networks throughout the day. Split tunneling prevents the user from having to continually connect and disconnect. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Split tunneling」の詳細全文を読む スポンサード リンク
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