A trustpoint enrollment mode, which also defines the trustpoint authentication mode, can be performed via 3 main methods: 1. Terminal Enrollment - manual method of performing trustpoint authentication and certificate enrolment using copy-paste in the CLI terminal. 2. SCEP Enrollment - Trustpoint authentication and enrollment using SCEP over HTTP. 3. Enrollment Profile - Here, authentication and enrollment methods are defined separately. Along with terminal and SCEP enrollment methods, enrollment profiles provide an option to specify HTTP/TFTP commands to perform file retrieval from the Server, which is defined using an authentication or enrollment url under the profile. Reference: https://www.cisco.com/c/en/us/support/docs/security-vpn/public-key-infrastructure-pki/211333-IOSPKI-Deployment-Guide-Initial-Design.html
1. Terminal Enrollment - manual method of performing trustpoint authentication and certificate enrolment using copy-paste in the CLI terminal.
2. SCEP Enrollment - Trustpoint authentication and enrollment using SCEP over HTTP.
3. Enrollment Profile - Here, authentication and enrollment methods are defined separately. Along with terminal and SCEP enrollment methods, enrollment profiles provide an option to specify HTTP/TFTP commands to perform file retrieval from the Server, which is defined using an authentication or enrollment url under the profile.
A trustpoint enrollment mode, which also defines the trustpoint authentication mode, can be performed via 3 main methods: 1. Terminal Enrollment - manual method of performing trustpoint authentication and certificate enrolment using copy-paste in the CLI terminal. 2. SCEP Enrollment - Trustpoint authentication and enrollment using SCEP over HTTP. 3. Enrollment Profile - Here, authentication and enrollment methods are defined separately. Along with terminal and SCEP enrollment methods, enrollment profiles provide an option to specify HTTP/TFTP commands to perform file retrieval from the Server, which is defined using an authentication or enrollment url under the profile. Reference: https://www.cisco.com/c/en/us/support/docs/security-vpn/public-key-infrastructure-pki/211333-IOSPKI-Deployment-Guide-Initial-Design.html

The traditional use of the pull model, where the client requests data from the network does not scale when what you want is near real-time data. Moreover, in some use cases, there is the need to be notified only when some data changes, like interfaces status, protocol neighbors change etc. Model-Driven Telemetry is a new approach for network monitoring in which data is streamed from network devices continuously using a push model and provides near real-time access to operational statistics. Applications can subscribe to specific data items they need, by using standard-based YANG data models over NETCONF-YANG. Cisco IOS XE streaming telemetry allows to push data off of the device to an external collector at a much higher frequency, more efficiently, as well as data on-change streaming. Reference: https://developer.cisco.com/docs/ios-xe/#!streaming-telemetry-quick-start-guide Model-Driven Telemetry is a new approach for network monitoring in which data is streamed from network devices continuously using a push model and provides near real-time access to operational statistics.
Applications can subscribe to specific data items they need, by using standard-based YANG data models over NETCONF-YANG. Cisco IOS XE streaming telemetry allows to push data off of the device to an external collector at a much higher frequency, more efficiently, as well as data on-change streaming.
The traditional use of the pull model, where the client requests data from the network does not scale when what you want is near real-time data. Moreover, in some use cases, there is the need to be notified only when some data changes, like interfaces status, protocol neighbors change etc. Model-Driven Telemetry is a new approach for network monitoring in which data is streamed from network devices continuously using a push model and provides near real-time access to operational statistics. Applications can subscribe to specific data items they need, by using standard-based YANG data models over NETCONF-YANG. Cisco IOS XE streaming telemetry allows to push data off of the device to an external collector at a much higher frequency, more efficiently, as well as data on-change streaming. Reference: https://developer.cisco.com/docs/ios-xe/#!streaming-telemetry-quick-start-guide

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