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NCAR, FRGP, and NCAR, FRGP, and BiSON SLAsBiSON SLAs
Scot Colburn – NCARScot Colburn – NCAR
Quilt Fiber WorkshopQuilt Fiber Workshop
Friday the 13Friday the 13thth, October 2006, October 2006
Key
Stateline, WY
BPOP Level3
Repeater/Amplifier
UW
CSU
Platteville, CO
DD
D
D
C
C
D
WDM
WDM
WDM
WDM
Longmont, CO
Denver, CO
Fort Collins, CO
Boulder, CO
Laramie, WY
WDMMovaz
DWDM D
C
CiscoSwitch
Repeater/Amplifier
WDMCWDM
M20M20
NLR CRS-1
FRGP l3-gw-1
TeraGrid T640
FRGP
FRGP l3-gs-1
NCAR
Gigabit Ethernet
NLR 6509
10G
tcom-gs-1
10G
BoulderCounty
M20M20
Bi-State Optical Network (BiSON)10/12/2006
M20M20
NOAA
CU
BRAN
NETS SLANETS SLA NETS (Network Engineering and Technology Section) provides NETS (Network Engineering and Technology Section) provides
LAN/WAN support for UCARnet at NCARLAN/WAN support for UCARnet at NCAR Provides for maintenance window between 6 and 7 AMProvides for maintenance window between 6 and 7 AM
Legacy of NCAR's 6-8 AM "System Test Time”Legacy of NCAR's 6-8 AM "System Test Time” SLA doesn’t provide for punishment; just a guide of how things are SLA doesn’t provide for punishment; just a guide of how things are
expected to workexpected to work Customers can expect e-mails opening, during, and closing a Customers can expect e-mails opening, during, and closing a
problem.problem. Due to lengthy Cisco IPT server software upgrades, now have a Due to lengthy Cisco IPT server software upgrades, now have a
special IPT Maintenance window between 7 PM and 7 AMspecial IPT Maintenance window between 7 PM and 7 AM SLA written for a captive audience to manage expectationsSLA written for a captive audience to manage expectations Expectation of uptime dramatically improved since ATM LANE Expectation of uptime dramatically improved since ATM LANE
backbone removed!backbone removed!
Front Range GigaPop (and BiSON?) Front Range GigaPop (and BiSON?) SLASLA
Specifies 6-8 AM weekdays for maintenance windows Specifies 6-8 AM weekdays for maintenance windows Should be 7 AM – later than that gets complaintsShould be 7 AM – later than that gets complaints
Specifies no more than three contact people or numbers at Specifies no more than three contact people or numbers at each member to communicate problems from or to.each member to communicate problems from or to. ““Secondaries” behind “Primary” FRGP members not allowed to Secondaries” behind “Primary” FRGP members not allowed to
contact NOC or NETScontact NOC or NETS Specifies NOC monitoring and “9’s” uptime statsSpecifies NOC monitoring and “9’s” uptime stats ““Changes that are expected to cause no disruptions can be Changes that are expected to cause no disruptions can be
done during normal hours, at the discretion of the engineers”done during normal hours, at the discretion of the engineers” We try to send change control one week in advance for We try to send change control one week in advance for
changes expected to cause an outagechanges expected to cause an outage
Uptime StatsUptime Stats
minor religious battle about uptimes:minor religious battle about uptimes: do we include monitoring station downtime?do we include monitoring station downtime? do we include planned maintenance downtime?do we include planned maintenance downtime? do we include intermediate network downtime?do we include intermediate network downtime?
So we do all threeSo we do all three We use Tobias Oetiker’s SmokePingWe use Tobias Oetiker’s SmokePing
Pings every 3 seconds, records latency and lossPings every 3 seconds, records latency and loss FRGP Outages pages record outage detailsFRGP Outages pages record outage details
SparesSpares
For NETS/UCAR, spares kept at Mesa LabFor NETS/UCAR, spares kept at Mesa Lab For FRGP spares also kept at Mesa LabFor FRGP spares also kept at Mesa Lab
Used to have “hot spares” at FRGP, but Used to have “hot spares” at FRGP, but Management Committee opted to spare Juniper Management Committee opted to spare Juniper gear from NCAR’s stock to save moneygear from NCAR’s stock to save money
FRGP Cisco gear mostly interchangeable with FRGP Cisco gear mostly interchangeable with NCAR gearNCAR gear
For BiSON, three Adva (aka Movaz) XCVR For BiSON, three Adva (aka Movaz) XCVR frequencies, plus SIMs and SFPsfrequencies, plus SIMs and SFPs
Service ContractsService Contracts
Next business day replacement with Cisco and Next business day replacement with Cisco and JuniperJuniper Painful to agree on covered Cisco serial numbersPainful to agree on covered Cisco serial numbers
Not sure about Movaz, but they’re fast tooNot sure about Movaz, but they’re fast too One weak XCVR and one unidirectional SIMOne weak XCVR and one unidirectional SIM
Have SLA’s with Qwest, ICG (Level3), and Have SLA’s with Qwest, ICG (Level3), and Level3. They’re generally hard to collect on.Level3. They’re generally hard to collect on.
