Re: Canonical configuration database order

[Phil Shafer <phil@juniper.net>]

Andy Bierman writes:
>The canonical order for named sibling instances is the natural sort order,
>based on the key associated with the nodes.

FWIW, JUNOS has both auto-sorted and user-sorted lists.  For example,
the terms of an import policy are named by the user and ordered by
the user, since the order matters.  But for interface definitions,
the order doesn't matter, so we sort them automatically.  Both have
keys (term name and interface name), to allow users to refer to
them.  The term name for policies is not important to the routing
code, which simply applies the terms in the order they appear in
the configuration, but is necessary to allow users to do stuff like:

    edit policy foo term goo
    copy term goo to term zoo
    delete term goo
    insert term goo before term moo

Thanks,
 Phil

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