On 10/18/18 4:33 PM, arkady.kanev...@dell.com wrote:
Love the idea to have clearer terminology.
Suggest we let telco folks to suggest terminology to use.
This is not a 3 level hierarchy but much more.
There are several layers of aggregation from local to metro, to regional, to
DC. And potential multiple layers in each.
-----Original Message-----
From: Dmitry Tantsur <dtant...@redhat.com>
Sent: Thursday, October 18, 2018 9:23 AM
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Subject: [Openstack-sigs] [FEMDC] [Edge] [tripleo] On the use of terms "Edge" and
"Far Edge"
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Hi all,
Sorry for chiming in really late in this topic, but I think $subj is worth
discussing until we settle harder on the potentially confusing terminology.
I think the difference between "Edge" and "Far Edge" is too vague to use these
terms in practice. Think about the "edge" metaphor itself: something rarely has
several layers of edges. A knife has an edge, there are no far edges. I imagine
zooming in and seeing more edges at the edge, and then it's quite cool indeed,
but is it really a useful metaphor for those who never used a strong
microscope? :)
I think in the trivial sense "Far Edge" is a tautology, and should be avoided.
As a weak proof of my words, I already see a lot of smart people confusing these
two and actually use Central/Edge where they mean Edge/Far Edge. I suggest we
adopt a different terminology, even if it less consistent with typical marketing
term around the "Edge" movement.
Now, I don't have really great suggestions. Something that came up in TripleO
discussions [1] is Core/Hub/Edge, which I think reflects the idea better.
I'd be very interested to hear your ideas.
Similarly to NUMA distance is equal to the shortest path between the
NUMA nodes, we could think of edges as facets and Edge distance as the
shortest path between edge sites, counting from the central Edge
(distance 0), or central Edges, if we have those decentralized and there
is no a single central Edge?
Dmitry
[1] https://etherpad.openstack.org/p/tripleo-edge-mvp
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Best regards,
Bogdan Dobrelya,
Irc #bogdando
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