Where would you use these ?

You want  your custom application to be able to react, and act on network specific information. Integrating both at a very close level. Fundamentally your application can dynamically reconfigure your router in reaction to network events.

You want to remove common services such as AAA, Syslog, DHCP, etc, IVR apps, Unified communication apps all at the branch office in the ISR. If there is a failure, your router can dynamically reconfigure around that.

AXP architecture

Base Cisco Linux os, IOS CLI, Virtual Instances, C++, Perl, Java, OSGI, Bash. Fundementally this is very similar to a fedora core 4 systems doing paravirtualization.

API Fun – What can it do

1. You can query and change both the router and the network module
2. Leverage Embedded Event Manager (EEM) to trigger events on changes, and react to network events.
3. Network Packet monitoring .. Sniff, Sniff, Sniff

My Questions –

1. How do I automate network updates, similar to YUM?
2. Is Cisco using KVM for paravirtualization?

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--Colin McNamara

Application Extension API notes – Cisco Live 2008