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Management of MPO ports #12

Open italobusi opened 2 years ago

italobusi commented 2 years ago

Check how it is possible to manage MPO ports

See: https://github.com/ietf-ccamp-wg/ietf-network-inventory/issues/32#issuecomment-1041621665

italobusi commented 2 years ago

2022-02-16 Network Inventory weekly call

Jeff: The ports refer to the TX/RX port on the transceiver. And for the MPO/break out cable, i am also agree to have a list of destination to describe the multiple breakout ports. And for those ports which there is no transceiver plugged-in, the port still need to be provided in inventory. We also agree that there could be multiple network elements on a rack. For the site's definition, i am not quite sure, but i also agree that site and equipment room can be both optional.

Chenfang: I have some other understanding for MPO port. Can be discussed in next week's meeting.

It is all aligned that we will not do update on the inventory draft's texting for the upcoming IETF 113 meeting, because of the discussion of generic model and CU proposed model is not finished.

italobusi commented 2 months ago

Some background material about MPO ports:

https://www.sanspot.com/5m-mpo-lc-om3-12-core-mpo-fiber-pmlc-fm312nxp05

https://community.fs.com/article/mtp-mpo-cables-what-are-they-and-how-to-use-them.html

https://community.fs.com/article/mtp-mpo-cables-what-are-they-and-how-to-use-them.html

The latter reference describes two types of MPO cables:

It might be worthwhile analyzing whether the modelling of MPO trunk and breakout cables should be the same or different

Other examples of multi-lane Ethernet interfaces (with MPO or CWDM multiplexing):

https://www.servethehome.com/differences-behind-100gbase-sr4-and-100gbase-lr4-optics/