Abstract
This chapter summarizes features of internet appliances that can be monitored and configured via the Internet. Implementing internet access to the digital input-output (DIO) internet appliance through internet interfaces and protocols, as sockets, SSL, and Java Server Pages are discussed. Introduction to TCP/IP, sockets, digital IO protocol, DIOD server daemon, and connection-oriented socket daemon to handle network requests for DIO lines are also explained. Application software that allows the DIO appliance to be monitored and configured over the Internet is developed. An internet protocol (IP) address is a unique 32-bit number used for addressing IP packets, and is written as four octets: 192.10.0.1. There are five different classes of IP addresses: Class A, Class B, Class C, Class D, and Class E. Three classes of addresses are used by the IP layer: unicast, multicast, and broadcast. Address Resolution Protocol is the mechanism that maps the Link Layer hardware address to the host IP address. Reverse address resolution protocol is the protocol used by a diskless host to determine its IP address. Transmission Control Protocol provides a reliable, connection-oriented protocol.
Published Version
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