RE: RAQMON Trap PDU size and report transmission time

So would this have been better written as two separate notifications,
one for static info, and a second for dynamic?

dbh 

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Siddiqui, 
> Anwar A (Anwar)
> Sent: Tuesday, January 18, 2005 9:02 AM
> To: Andy Bierman; Wijnen, Bert (Bert)
> Cc: [email protected]
> Subject: RE: [RMONMIB] RAQMON Trap PDU size and report 
> transmission time
> 
> This represents a "worst case" analysis. There is no doubt we need
to
> accommodate for the "worst case" but thought I would point out that
> 
> a. In your analysis you assumed static parameters such as name and
> address etc. are reported in every PDU which will be simply a bad
> implementation and there is text that says one should avoid exactly
> that.
> 
> b. "ALL" dynamic parameters are reported as well which is bit
unusual
> since NOT all APPLICATION will use all parameters to describe their
> sessions.
> 
> So if you do NOT compute the static parameters, the scenario over
SNMP
> is not that scary!
> 
> Thanks
> Anwar
> 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On
> Behalf Of Andy Bierman
> Sent: Monday, January 17, 2005 8:49 PM
> To: Wijnen, Bert (Bert)
> Cc: [email protected]
> Subject: RE: [RMONMIB] RAQMON Trap PDU size and report 
> transmission time
> 
> At 12:35 PM 1/17/2005, Wijnen, Bert (Bert) wrote:
> 
> Here are my results (I used smidump 0.4.2).
> 
> For the test, I modified the RAQMON-RDS-MIB so the 
> InetAddress was (SIZE(4)), then again with (SIZE(16)) for IPv6.  
> I modified the raqmonDsNotification so the OBJECTS clause contains
> the entire list of accessible-for-notify report parameters,
> instead of just one object.
> 
> For IPv4: [770..1569]
> For IPv6: [1106..2241]
> 
> Note also that the SNMP Transport requires that a separate
> raqmonDsByeNotification be sent to indicate the RAQMON reporting for

> that session is over.  That means a maximum of 1 report per 4
minutes.
> 
> Andy
> 
> -----------------------------------
> smidump -fsizes output
> 
> For IPv4:
> 
> # size of notification PDUs:
> 
> raqmonDsNotification {
>   sysUpTime                             [15..19]
>   snmpTrapOID                           [25..25]
>   raqmonAppName                         [23..287]
>   raqmonDataSourceDevicePort            [26..36]
>   raqmonReceiverDevicePort              [26..36]
>   raqmonSessionSetupDateTime            [31..42]
>   raqmonSessionSetupDelay               [26..38]
>   raqmonSessionDuration                 [26..38]
>   raqmonSessionSetupStatus              [23..287]
>   raqmonRoundTripEndToEndNetDelay       [26..38]
>   raqmonOneWayEndToEndNetDelay          [26..38]
>   raqmonApplicationDelay                [26..38]
>   raqmonInterArrivalJitter              [26..38]
>   raqmonIPPacketDelayVariation          [26..38]
>   raqmonTotalPacketsReceived            [26..38]
>   raqmonTotalPacketsSent                [26..38]
>   raqmonTotalOctetsReceived             [26..38]
>   raqmonTotalOctetsSent                 [26..38]
>   raqmonCumulativePacketLoss            [26..38]
>   raqmonPacketLossFraction              [26..34]
>   raqmonCumulativeDiscards              [26..38]
>   raqmonDiscardsFraction                [26..34]
>   raqmonSourcePayloadType               [26..34]
>   raqmonReceiverPayloadType             [26..34]
>   raqmonSourceLayer2Priority            [26..34]
>   raqmonSourceDscp                      [26..34]
>   raqmonDestinationLayer2Priority       [26..34]
>   raqmonDestinationDscp                 [26..34]
>   raqmonCpuUtilization                  [26..34]
>   raqmonMemoryUtilization               [26..34]
> } [770..1569]
> 
> raqmonDsByeNotification {
>   sysUpTime                             [15..19]
>   snmpTrapOID                           [25..25]
>   raqmonAppName                         [23..287]
> } [65..334]
> 
> 
> For IPv6:
> 
> raqmonDsNotification {
>   sysUpTime                             [15..19]
>   snmpTrapOID                           [25..25]
>   raqmonAppName                         [35..311]
>   raqmonDataSourceDevicePort            [38..60]
>   raqmonReceiverDevicePort              [38..60]
>   raqmonSessionSetupDateTime            [43..66]
>   raqmonSessionSetupDelay               [38..62]
>   raqmonSessionDuration                 [38..62]
>   raqmonSessionSetupStatus              [35..311]
>   raqmonRoundTripEndToEndNetDelay       [38..62]
>   raqmonOneWayEndToEndNetDelay          [38..62]
>   raqmonApplicationDelay                [38..62]
>   raqmonInterArrivalJitter              [38..62]
>   raqmonIPPacketDelayVariation          [38..62]
>   raqmonTotalPacketsReceived            [38..62]
>   raqmonTotalPacketsSent                [38..62]
>   raqmonTotalOctetsReceived             [38..62]
>   raqmonTotalOctetsSent                 [38..62]
>   raqmonCumulativePacketLoss            [38..62]
>   raqmonPacketLossFraction              [38..58]
>   raqmonCumulativeDiscards              [38..62]
>   raqmonDiscardsFraction                [38..58]
>   raqmonSourcePayloadType               [38..58]
>   raqmonReceiverPayloadType             [38..58]
>   raqmonSourceLayer2Priority            [38..58]
>   raqmonSourceDscp                      [38..58]
>   raqmonDestinationLayer2Priority       [38..58]
>   raqmonDestinationDscp                 [38..58]
>   raqmonCpuUtilization                  [38..58]
>   raqmonMemoryUtilization               [38..58]
> } [1106..2241]
> 
> raqmonDsByeNotification {
>   sysUpTime                             [15..19]
>   snmpTrapOID                           [25..25]
>   raqmonAppName                         [35..311]
> } [77..358]
> 
> 
> >C:\smi\mibs\work>smidump -fsizes ./RAQMON-RDS-MIB
> ># RAQMON-RDS-MIB module PDU sizes (generated by smidump 0.4.3)
> >
> >
> ># size of PDUs for groups and rows:
> >
> >RAQMON-RDS-MIB          raqmonDsNotificationEntry       16
> [13..16]
> >
> ># size of one-shot row creation PDUs including columns with default
> values:
> >
> >
> ># size of one-shot row creation PDUs excluding columns with default
> values:
> >
> >
> ># size of notification PDUs:
> >
> >RAQMON-RDS-MIB          raqmonDsNotification            214
> [72..566]
> >RAQMON-RDS-MIB          raqmonDsByeNotification         214
> [72..566]
> >
> >> -----Original Message-----
> >> From: [email protected]
[mailto:[email protected]]On
> >> Behalf Of Andy Bierman
> >> Sent: Monday, January 17, 2005 20:42
> >> To: [email protected]
> >> Subject: [RMONMIB] RAQMON Trap PDU size and report 
> transmission time
> >> 
> >> 
> >> Hi,
> >> 
> >> Does anyone know how many RAQMON-RDS-MIB varbinds can fit in 
> >> an unfragmented SNMP Trap PDU?  (IPv4 as well as IPv6).
> >> 
> >> It seems to me that all of the Basic report parameters should be 
> >> reported at least once per session, otherwise they shouldn't be 
> >> in the common parameter list.  If the Basic report needs to be 
> >> fragmented into multiple Trap PDUs, then RDS complexity is 
> >> increased, and the likelihood goes up that a maximum transmission

> >> rate of 1 Trap PDU every 2 minutes becomes a bottleneck on the
RDS.
> >> 
> >> Andy
> >> 
> >> _______________________________________________
> >> RMONMIB mailing list
> >> [email protected]
> >> https://www1.ietf.org/mailman/listinfo/rmonmib
> >> 
> 
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