[CCAMP] Meeting note for 3 June 2021 IETF CCAMP - Microwave / ETSI GR mWT 025
Scott Mansfield <scott.mansfield@ericsson.com> Tue, 08 June 2021 11:27 UTC
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From: Scott Mansfield <scott.mansfield@ericsson.com>
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Thread-Topic: Meeting note for 3 June 2021 IETF CCAMP - Microwave / ETSI GR mWT 025
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Date: Tue, 08 Jun 2021 11:27:18 +0000
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Subject: [CCAMP] Meeting note for 3 June 2021 IETF CCAMP - Microwave / ETSI GR mWT 025
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Meeting note for 3 June 2021 IETF CCAMP - Microwave / ETSI GR mWT 025 Attendees: Scott Mansfield Daniela Spreafico Gabriele Ferrari Jean Rebiffé Leo Macciotta Zakaria Tayq Min Ye (Amy) Note: Writing in blue is discussion that has occurred in previous CCAMP Microwave meetings. The text in red was discussed during the meeting. Actions are marked with Action: Regards, -scott. _____ * BCA * Any mix of bands is included * Includes carrier aggregation in the same band * Intent: * Understand underlying topology * Address more advanced applications * Handling each carrier independently for specific purposes * Have the information about the total capacity * MW topo extension? * Performance information is important, like capacity latency * Combined performance of the bundle is required * --> potentially describes a set of attributes related to the multicarrier * We are addressing L1 bonding * RFC8561 has a basis with the protection group * Extend or add a new group? * Fade Margin * With adaptive modulation enabled, which modulation does this refer to? * Its a planning target * --> at least for the lowest modulation allowed on the link (the other margins can be calculated by the controller) * --> what about the threshold degradation due to interference? * To be managed between planning tool / optimization tool / SDN Controller, not in the equipment * BER, Errored block EB, Mean Time between outages, Outage Intensity * --> based on counters implemented within the equipment * See document about error performance evolution from ETSI ISG mWT [https://www.etsi.org/committee/1426-mwt] (WI 19) * To be discussed more in a later session * Current Alarm Specific Problem, Historical Alarm Specific Problem * Refer to the existing alarm management module? * Whats the Specific Problem? * --> exists in the IETF alarm modeling [to be double checked by both sides (see bullets below)] * --> Comment: information abundance is going to be important to feed future AI algorithms * Specific problems. * This parameter, when present, identifies further refinements to the Probable cause of the alarm. This parameter qualifies the chosen Probable cause and may be used by the managed object class definer to specify a set of identifiers for use in managed object classes. according to ITU (X.733-1992 <https://www.itu.int/rec/T-REC-X.733-199202-I/en> X.733 : Information technology - Open Systems Interconnection - Systems Management: Alarm reporting function (itu.int)) * RFC8632 is the alarms IETF RFC <https://datatracker.ietf.org/doc/html/rfc8632> https://datatracker.ietf.org/doc/html/rfc8632 * Action: To Everyone, review RFC 8632 against the definition in X.733 and provide input of information that needs to be considered for probable cause. * Maximum Link/Carrier Utilization % * --> original intent was to support the power consumption optimization, based on actual link traffic load * Per carrier and per link (bundled) * Interval? * --> Action: everyone to consider and bring proposals/thoughts on measurement interval granularity * --> current 15 minute integration time is too long for advanced applications * For non-continuous transmission (packet transmission) the integration time should not be too short * Integration time could be much shorter than 15 minutes, reporting max and min could be on a 15 minutes interval * Percentage relative to what? * --> maximum and minimum modulation (static) * --> Action: everyone to consider and bring contributions that provide clarity on the interaction between electrical power consumption and traffic * Latency * Latency of what? Link? Service? Defined on Ethernet traffic, any requirements on interval for measurement of latency? * Requirements related to supporting configuration of L2 or L3 service based on latency, availability, and capacity. * Differentiate between what needs to be stored/retrieved/measured from the equipment, or supported by an end-to-end protocol like TWAMP. * Ethernet OAM IEEE CFM (current CFM YANG found here: <https://github.com/YangModels/yang/tree/master/standard/ieee/published/802. 1> yang/standard/ieee/published/802.1 at master · YangModels/yang · GitHub), ITU-T work on G.8052.1 ( <https://www.itu.int/rec/T-REC-G.8052.1-202101-I/en> G.8052.1 : Operation, administration, maintenance (OAM) management information and data models for the Ethernet-transport network element (itu.int)) * Applicability of current tools to the given requirements based on new features like slicing. * Action: to the equipment vendors to propose what support is available on the equipment (capabilities may be beyond the microwave modeling work, more related to system-level OAM measurement/management). * Action: identify the YANG models that identify the latency measurement * Electrical Power Consumption * Calculated how? Consumption per link? Per carrier? Or Aggregate for the node? * Suggestion: A system is modular, the modules are chassis that take power, so power consumption is measured at the granularity of the chassis. Take this to the carriers to determine if this provides the power consumption information needed. * Action: proposal for electrical power consumption model (and granularity of measurement) * Action: Can carriers agree that chassis-level measurement is sufficient. Action: Carriers to determine if there is a need for another ETSI WI25/CCAMP discussion meeting. Next Meeting of the CCAMP Microwave modeling work is: 9 June at 1200pm (noon) CEST <https://mailarchive.ietf.org/arch/msg/ccamp/dTo-UebzMQpqV4m-SHDTdnE39cg/> https://mailarchive.ietf.org/arch/msg/ccamp/dTo-UebzMQpqV4m-SHDTdnE39cg/
- [CCAMP] Meeting note for 3 June 2021 IETF CCAMP -… Scott Mansfield
- Re: [CCAMP] Meeting note for 3 June 2021 IETF CCA… Spreafico, Daniela (Nokia - IT/Vimercate)