User's Manual
Table Of Contents
- Understanding Silver Spring Networks Access Points
- Contents
- 1 About Access Points
- Overview
- Features
- AP Product Description
- Battery Backups
- Read Storage
- Power Requirements
- Rebooting or Recycling APs
- Standards Compliance
- Cellular Modem
- Addressing Schemes
- Specifications
- European Union Compliance
- Maintenance Procedures
- Surge Protection
- Redundant WAN Option
- Mounting Options
- WAN Options
- Throughput Performance
- Responding to a WAN Failure
- Multicast / Unicast Communications
- Networking
- Address Management
- Administration
- Configuration
- 2 FCC and Government Guidelines
- Index
Understanding Silver Spring Networks Access Points 1 About Access Points
Understanding Silver Spring Networks Access Points 4 March 2013 Silver Spring Networks 14
15Kbpsor15%,leaving85%forothersmartgridsolutionssuchasDAorDR(disaster
recovery).
ItisworthnotingthatthereareanumberoffactorsthatimpacteachRFMeshlinkbetween
anytwonodesincludingbutnotlimitedto:scheduledjobs(suchasmeterreads),path
selectionfromanRFdevicetoanAccessPoi nt,failuresoroutages,etc.Aneffectivemethod
tomonitornetworkperformance(datatransmission,bandwidthutilization,etc.)isatan
AccessPointastheAPisthetakeoutpointforallassociatedRFdevices.MeaningRFdevices
andRelaysintheSilver
SpringNANareconstantlyretuningto,optimizingtheirpathsand
reportingintotheirAccessPoints.
AlltrafficflowinginandoutoftheRFMeshnetworkmusttraversetheAccessPoint.Whileit
isfairlysimpletomonitorasingleAccessPoint,itisimportanttorealizethatthereare
typically
manyAccessPointsinacommerciallydeployedsmartgridsystem.TheSilver
SpringsolutionenablesallAccessPointstooperateindependentlyandinparallel,effectively
increasingthroughputandreducinglatency.
TheSilverSpringUtilityIQNEM,GridScape,andHCMenabletheconfigurationofpolices
forbandwidthutilizationforboththeWANand
theNAN.Onceconfigured,themonitoring
applicationsgeneratealertsforanybandwidthutilizationpolicyviolations.Thenetwork
statisticsreportprovidesdetailedinsightintopotentialnetworkloadissues.
ThemonitoringapplicationscanmeasureandreportonRFcharacteristicsintheNAN,
includingtheidentificationofdevicesassociatedwithareasofpoor
coverage.Havingsuch
dataenablesSilverSpringtoassesswhethersuchareasrequirethedeploymentofadditional
RelaysorAccessPoints.Thisisespeciallyusefulintheearlyphasesofadeployment.
Figure 4. Average bandwidth consumed by AMI traffic