James, > On Apr 11, 2026, at 05:42, James Bensley <[email protected]> wrote: > > Not sure if I'm splitting hairs here or providing useful feedback, so please > do with his feedback what you will: > > * I think CE and PE acronyms are a bit unclear. In my opinion CE is "Customer > Edge" and PE is "Provider Edge" (both without the "Router" part). A lot of > people do use PE to mean an edge router, but I see that as more of a "slang" > use than as formal language use. This becomes clearer when you add in the > acronym CPE, meaning Customer Premises Equipment.
FWIW, I agree with your assessment. I'm also in a peculiar place to see how the exact same ambiguities have pervaded the industry among my customers. For purposes of this document, we're discussing BGP relationships for the most part. That might help nudge the text the right way. > To explain via a typical real life scenario: > > The edge of my provider network is not a router, it's a switch. I aggregate > many connections on a switch, and have a trunk port up to my router, because > switch ports are cheaper than lines cards (this is a common practice). So the > port on the edge switch, is the Provider Edge. > > Next comes a last mile connection to my customer. There may an NTE (Network > Terminating Equipment) which terminates the last mile connection at the > customer's premises. Attached to the NTE is the "WAN" side of a CPE device. > The "LAN" side of that device is the Customer Edge. > > (If you think this model makes sense, this requires the introduction of NTE, > CPE, WAN, and LAN into the document as well, sorry!). > > * There are some acronyms which are explained in the subsections of section > 4, which are not mentioned in Section 3 (AS, BFD, EIGRP, EGP, RIP, etc.). But > some of the acronyms are in Section 3 and explained in say 4.1 (such as ASN, > RIR, etc). So it's not clear why only some acronyms are listed in Section 3 > and not all. Maybe I just missed and need to re-read. FWIW, Tobias maintains a github repo for the document and has been friendly about receiving diffs: https://github.com/ichdasich/draft-routing-operations-terminology -- Jeff
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