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Cisco IOS XR software Host Services and Applications features on the router are used primarily for checking network connectivity and the route a packet follows to reach a destination, mapping a hostname to an IP address or an IP address to a hostname, and transferring files between routers and UNIX workstations.
Prerequisites for implementing Host Services and ApplicationsEnsure to install the relevant optional RPM package before using the host services or applications.
A HTTP client application is a network application that
allows files to be transferred from HTTP servers to other devices over a network,
uses the HTTP protocol for communication, and
provides configurable parameters for connection management and security.
TCP is a connection-oriented protocol that
specifies the format of data and acknowledgments that two computer systems exchange to transfer data,
defines the procedures computers use to ensure that data arrives correctly, and
allows multiple applications on a system to communicate concurrently by handling all demultiplexing of incoming traffic among the application programs.
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