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Home > Support > Technical Documentation > Configuring Adaptive Clocking for SAToP Bundles (CTPView)
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Related Documentation

  • Adaptive Clocking for SAToP Bundles Overview
  • SAToP Bundle Overview
 

Configuring Adaptive Clocking for SAToP Bundles (CTPView)

If you specify that the SAToP bundle uses the CTP as the clock source with the CTP as the adaptive end, you can modify attributes that affect the adaptive clocking algorithm. However, the default settings are acceptable for most applications. We recommend that you change these settings only with the assistance of JTAC.

Before you begin:

  • Log in to the CTPView software at least at the Net_Admin level.
  • Connect the CTPView server to the CTP device for which you want to configure bundles.
  • Disable the bundle before you modify the bundle options.

To configure adaptive clocking for SAToP bundles using CTPView:

  1. In the side pane, select Bundle > Configuration.
  2. Run your mouse over the Display and Select an Existing Bundle bar.
  3. In the table of bundles, select the bundle that you want to modify.
  4. Under Bundle Options, configure the parameters described in Table 1, and click Click to Submit Bundle AND Port Changes.

Table 1: SAToP Bundle Adaptive Clocking Settings in CTPView

FieldFunctionYour Action

Initialize Adaptive Settings

Sets the adaptive clocking configuration to the default settings.

Place a check mark in the Yes check box.

Aggressive Calc Period

Specifies the time period during initial start of adaptive clocking, during which packet samples that are experiencing the least delay through the network are collected. These samples are used for aggressive state calculations.

Enter a number from 3 through 200 sec.

Maintenance Calc Period

Specifies the time period during normal adaptive clocking during which packet samples that are experiencing the least delay through the network are collected. These samples are used for maintenance state calculations.

Enter a number from 3 through 300 sec.

Slope for Maintenance

Specifies the number of packets per minute, which when reached, causes the adaptive clocking algorithm to change from aggressive state to maintenance state. Lower values result in longer switchover times with a clock value closer to the remote clock.

Enter a number from 1 through 100 packets per minute.

Maintenance Decay

Specifies how quickly the clocking corrects to the buffer set point while in maintenance state.

Enter a number from 2 though 120 sec.

Max Clock Adjustment Value

Specifies a cap for frequency acceleration, which constrains the frequency adjustments to the adaptive clock.

Enter a number from 1 through 200 parts per billion.

Max Clock Offset

Specifies a cap for frequency velocity, which constrains the frequency velocity of the adaptive clock.

Enter a number from 1 through 400 packets per minute.

Max Buffer Error

Specifies the buffer error rate required to change the adaptive clocking algorithm state from maintenance to aggressive.

Enter a number from 100 through 1,000,000 ųsec.

 

Related Documentation

  • Adaptive Clocking for SAToP Bundles Overview
  • SAToP Bundle Overview
 

Published: 2010-10-21


 
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