"Ciavaglia, Laurent (Nokia - FR/Paris-Saclay)" wrote:
> For the incident you refer here, how/where would you see ANIMA
> components to have (helped) avoided the outage?
> Could we expect ANIMA networks to provide better/longer data plane
> operation in case of failed control plane/control plane functions?
> Beyond the pure ability to do so, there is a gain/risk trade-off to let
> a DP run out of sync of its CP.ACP provides a backup DP/CP that allows one to get back to the primary CP so that it can be fixed. rfc8368 explains this. here is the abstract: Abstract Operations, Administration, and Maintenance (OAM), as per BCP 161, for data networks is often subject to the problem of circular dependencies when relying on connectivity provided by the network to be managed for the OAM purposes. Provisioning while bringing up devices and networks tends to be more difficult to automate than service provisioning later on. Changes in core network functions impacting reachability cannot be automated because of ongoing connectivity requirements for the OAM equipment itself, and widely used OAM protocols are not secure enough to be carried across the network without security concerns. This document describes how to integrate OAM processes with an autonomic control plane in order to provide stable and secure connectivity for those OAM processes. This connectivity is not subject to the aforementioned circular dependencies. -- Michael Richardson <[email protected]> . o O ( IPv6 IøT consulting ) Sandelman Software Works Inc, Ottawa and Worldwide
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