TCP/IP and Dial-up Support (Windows CE 5.0)
Microsoft® Windows® CE implements dial-up networking with Remote Access Service (RAS) and Point-to-Point Protocol (PPP). Dial-up networking allows a Windows CE–based device to access network resources from a remote location. For more information, see Dial-up Networking.
RAS connects a client to a host computer, known as a remote access server. A Windows CE–based device running RAS connects to a remote access server using PPP. For more information, see Overview of RAS.
PPP is a member of the TCP/IP protocol suite. It specifies an industry-standard suite of control protocols that were designed to facilitate communication between two computers through a serial, network, or infrared interface in a dynamically changing network. A Windows CE–based device running Remote Access Service (RAS) uses PPP to package data packets from multiple protocols and forward them to a server over point-to-point links. PPP is an improvement over Serial Line Internet Protocol (SLIP) in its error detection capability and its ability to handle both synchronous and asynchronous communication. For more information, see Point-to-Point Protocol.
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