Dear netmod wg colleagues,
The ietf-acl YANG model defined in RFC 8519 allows to create
rules, and for each a rule, in case of IPv4/IPv6 you can specify in the match
the source-network and destination-network. The source-network (or equally the
destination network) is in the model an address prefix. In our use case in
Telefonica we are specifying a prefix-list for source network and another
prefix list for destination network. If you had to create this behavior using
the ACL model, you would need to create NxM rules. Besides, the management of
those rules would be more complex.
The routing policy model has the concept of prefix-sets, but is
a separate model (and a different use case).
The functionality of specifying a prefix list for source and
destination in access control lists is available in most vendors that I am
aware today. Hence, it's a pretty standard functionality.
Do you think it is useful to add this functionality to the ACL
YANG model? If yes, what would be the procedure, given that ACL is already
defined in an existing RFC?
Best Regards,
Oscar
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