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Battery MIB Module. draft-quittek-eman-battery-mib-00 J. Quittek, R. Winter, T. Dietz. Objectives: What to monitor?. number of batteries in a device current charge age (charging cycles) state of batteries (e.g. being re-charged) last usage nominal and actual capacity notifications

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battery mib module

Battery MIB Module

draft-quittek-eman-battery-mib-00

J. Quittek, R. Winter, T. Dietz

objectives what to monitor
Objectives: What to monitor?
  • number of batteries in a device
  • current charge
  • age (charging cycles)
  • state of batteries (e.g. being re-charged)
  • last usage
  • nominal and actual capacity
  • notifications
    • low battery
    • battery replacement
battery table
Battery table

batteryTable(1)

+--batteryEntry(1) [batteryIndex]

+-- --- Unsigned32 batteryIndex(1)

+-- r-n Enumeration batteryType(2)

+-- r-n Enumeration batteryTechnology(3)

+-- r-n Unsigned32 batteryNominalVoltage(4)

+-- r-n Unsigned32 batteryNumberOfCells(5)

+-- r-n Unsigned32 batteryNominalCapacity(6)

+-- r-n Unsigned32 batteryRemainingCapacity(7)

+-- r-n Counter32 batteryChargingCycleCount(8)

+-- r-n DateAndTime batteryLastChargingCycleTime(9)

+-- r-n Enumeration batteryState(10)

+-- r-n Unsigned32 batteryCurrentCharge(11)

+-- r-n Unsigned32 batteryCurrentChargePercentage(12)

+-- r-n Unsigned32 batteryCurrentVoltage(13)

+-- r-n Integer32 batteryCurrentCurrent(14)

+-- r-n Unsigned32 batteryLowAlarmPercentage(15)

+-- r-n Unsigned32 batteryLowAlarmVoltage(16)

+-- r-n Unsigned32 batteryReplacementAlarmCapacity(17)

+-- r-n Unsigned32 batteryReplacementAlarmCycles(18)

battery states types technologies
Battery states, types, technologies
  • States
  • full(1),
  • partiallyCharged(2),
  • empty(3),
  • charging(4),
  • discharging(5),
  • unknown(6)
  • Types
  • primary(1),
  • rechargeable(2),
  • capacitor(3),
  • other(4),
  • unknown(5)
  • Technologies
  • zincCarbon(1),
  • zincChloride(2),
  • oxyNickelHydroxide(3),
  • lithiumCopper(4),
  • lithiumIron(5),
  • lithiumManganese(6),
  • zincAir(7),
  • silverOxide(8),
  • alcaline(9),
  • leadAcid(10),
  • nickelCadmium(12),
  • nickelMetalHybride(13),
  • nickelZinc(14),
  • lithiumIon(15),
  • lithiumPolymer(16),
  • doubleLayerCapacitor(17),
  • other(18),
  • unknown(19)
open issues
Open issues
  • Received three reviews
    • Thank you!
  • Several issues raised
    • architecture
    • MIB details
    • editorial / clarifications
open issues architecture
Open issues: Architecture
  • relationship to eman framework
    • currently very loosely coupled
    • still modeling of batteries possible with Power-Monitor-MIB
      • in addition to Battery MIB
  • battery table indexing
    • MUST or SHOULD use Entity MIB/Power-Aware MIB?
    • battery in a device: how to model for eman?
      • device as black box containing battery?
      • battery as separate entity within a PC?
      • support both?
  • are the states the right ones?
    • are they power states?
  • relationship to UPS MIB?
open issues mib details
Open issues: MIB details
  • definition of charging cycle
    • reset for low battery notification
  • definition of states “empty” and “full”
    • thresholds? how to set them?
    • “full” compared to nominal or actual capacity?
  • do we need a battery ID?
  • do we need to report battery temperature?
  • IANA registry for battery technologies?
final question
Final question

Do youthinkthisdraftschould

be accepted as eman WG draft?

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