[CCAMP] Question about identities with multiple bases
Italo Busi <Italo.Busi@huawei.com> Tue, 19 May 2020 16:49 UTC
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From: Italo Busi <Italo.Busi@huawei.com>
To: "Rob Wilton (rwilton)" <rwilton@cisco.com>
CC: "ccamp@ietf.org" <ccamp@ietf.org>, "draft-ietf-ccamp-layer1-types@ietf.org" <draft-ietf-ccamp-layer1-types@ietf.org>, "draft-ietf-ccamp-l1csm-yang@ietf.org" <draft-ietf-ccamp-l1csm-yang@ietf.org>
Thread-Topic: Question about identities with multiple bases
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Date: Tue, 19 May 2020 16:49:38 +0000
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Subject: [CCAMP] Question about identities with multiple bases
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Hi Rob, We have discussed an open issue with the ietf-l1csm which is impacting the ietf-layer1-types YANG model, for which we are addressing CCAMP WG LC comments See slides 3 and 4 of the attached presentation made during the CCAMP WG virtual meeting last week Since we have not much experience with identities having multiple bases, we would like to get a feedbacks from you about whether the proposed solution would work You can check initial changes to ETH-1GbE, FICON-4G and STM-1 identities in github: https://github.com/haomianzheng/IETF-ACTN-YANG-Model/pull/65 Let me report here the key ones: identity ETH-1Gb { base client-signal; description "Client signal type of 1GbE"; reference "RFC7139/ITU-T G.709"; } identity FICON-4G { base client-signal; description "Client signal type of Fibre Connection 4G"; reference "RFC4328/RFC7139"; } identity ETH-1000X { base "coding-func"; base Ethernet; description "1000BASE-X PCS clause 36 coding function."; reference "MEF63: Subscriber Layer 1 Service Attributes"; } identity STM-1 { base client-signal; base "coding-func"; base SDH; description "STM-1 client signal; STM-1 G.707 (N=1) coding function."; reference "RFC7139/ITU-T G.709 MEF63: Subscriber Layer 1 Service Attributes"; } leaf client-signal { type identityref { base "l1-types:client-signal"; } mandatory true; description "The client signal being used at the UNI"; } Then ETH-1GbE, FICON-4G and STM-1 would be valid configuration for the client-signa leaf, while ETH-1000X will not be valid leaf coding { type identityref { base "l1-types:coding-func"; } must 'derived-from(../coding, ../protocol)'; mandatory true; description "The coding function being used at the UNI."; } Then: - ETH-1000X would be valid configuration of the coding leaf, if Ethernet is configured, otherwise it is invalid; - STM-1 would be valid configuration of the coding leaf, if SDH is configure as protocol, otherwise it is invalid; - ETH-1GbE and FICON-4G would never be valid configuration of the coding leaf Before applying these changes to a lot of identities, it would be good to check that our understanding is correct What do you think? Thanks in advance Italo Italo Busi Principal Optical Transport Network Research Engineer [cid:image001.jpg@01D5AC11.9575BB40] ____________________________________________________________________ Huawei Technologies Italia S.r.l. Address: Centro Direzionale Milano 2, Palazzo Verrocchio, 20090 Segrate (MI) Tel: +39 345 4721946 - Mobile: Italo.busi@huawei.com<mailto:Italo.busi@huawei.com> __________________________________________________________________________________ Huawei Technologies Italia S.r.l. is a company registered in Italy at the Company Registration Office of Milan, with registered number 04501190963 and equity capital €3,000,000 fully paid up, whose registered office is in Milan, Via Lorenteggio 240, Tower A, 20147 Milan, Italy. Huawei Technologies Italia S.r.l. is 100% owned by Huawei Technologies Cooperatief U.A. CONAI Reg. No. cc 12639454 - A.E.E. 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- [CCAMP] Question about identities with multiple b… Italo Busi
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- Re: [CCAMP] Question about identities with multip… tom petch
- [CCAMP] Apologies Re: Question about identities w… tom petch
- Re: [CCAMP] Question about identities with multip… Italo Busi
- Re: [CCAMP] Question about identities with multip… tom petch
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- Re: [CCAMP] Question about identities with multip… Rob Wilton (rwilton)
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- Re: [CCAMP] Question about identities with multip… Italo Busi
- Re: [CCAMP] Question about identities with multip… Italo Busi