As systems communicate with each other, there needs to be a structure behind what is communicated. Simple formatted text that is presented with show commands on a Cisco device will not work. However, systems can easily parse and work with data that is encoded in XML and JSON formats. JSON JavaScript Object Notation (JSON) is… Read More »
Web browsers use REST to get and post information to web servers or other systems that use HTTP. The same HTTP request methods and response codes are used. Figure 12-4 shows a create, retrieve, update, and delete (CRUD) example with a client using HTTP POST, GET, PUT, and DELETE calls along with the response codes… Read More »
Network Configuration Protocol (NETCONF) is a network management protocol defined by the IETF in RFC 6241. NETCONF provides rich functionality for managing configuration and state data. The protocol operations are defined as remote procedure calls (RPCs) for requests and replies in XML-based representation. NETCONF supports running, candidate, and startup configuration data stores. The NETCONF capabilities… Read More »
With dial-out mode, a network device dials out and sends the initial SYN packet to start the TCP connection to the receiver. This is the default mode of operation. In this mode, the network device acts as the client, and the receiver acts as the server. The network device continually attempts to establish a session… Read More »