OTN – Lesson 10 – Video 5N – ODUk_TT_Sk Atomic Function

This post presents the 5th of the 7 Videos that covers training on the Peformance Monitoring of the ODUk Layer (for Non-Multiplexed Applications). This post focuses on the Sink Direction ODU-Layer Atomic Functions. More specifically, this post presents a video that discusses how the ODUk_TT_Sk Atomic Function declares and clears the PM-dDEG defect condition.

OTN – Lesson 10 – Video 5N – The ODUk_TT_Sk Atomic Function

This blog post presents a video that continues our discussion of the ODUk_TT_Sk Atomic Function.

This video covers the following features within the ODUk_TT_Sk Atomic Function.

How the ODUk_TT_Sk function declares and clears the dDEG (Path Signal Degrade) defect condition?
What does the ODUk_TT_Sk function do with its AI_TSF Output pin whenever it declares a Service-Affecting defect condition?
What does the ODUk_TT_Sk function do with its AI_TSD Output pin whenever it declares the dDEG (Signal Degrade) defect condition?
Defect Correlation Equation Analysis
Consequent Equation Analysis
Performance Monitoring Equation Analysis

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OTN – Lesson 10 – Video 4N – More of the ODUk_TT_Sk Atomic Function

This post presents the 4th of the 7 Videos that covers training on the Peformance Monitoring of the ODUk Layer (for Non-Multiplexed Applications). This post focuses on the Sink Direction ODU-Layer Atomic Functions. More specifically, this post includes a video that describes how the ODUk_TT_Sk Atomic Function declares and clears the dTIM, ODUk-AIS, dLCK and dOCI defect conditions.

OTN – Lesson 10 – Video 4N – More of the ODUk_TT_Sk Atomic Function

This blog post includes a video that continues to describe the role/functionality of the ODUk_TT_Sk atomic function.

In particular, this video explains how the ODUk_TT_Sk function declares and clears the following defect conditions.

dTIM – Trail Trace Identifier Mismatch defect
dAIS – ODUk-AIS defect condition
dLCK- ODUk-LCK defect condition
dOCI – ODUk-OCI defect condition

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OTN – Lesson 10 – Video 3N – The OTUk/ODUk_A_Sk and ODUk_TT_Sk Atomic Functions

This post presents the 3rd of the 7 Videos that covers training on the Peformance Monitoring of the ODUk Layer (for Non-Multiplexed Applications). This post focuses on the Sink Direction ODU-Layer Atomic Functions.

OTN – Lesson 10 – Video 3N – The OTUk/ODUk_A_Sk and ODUk_TT_Sk Atomic Functions

This post contains a video that begins our discussion of the Receive (or Sink) Direction circuitry.

In particular, this video covers the following Atomic Functions.

The OTUk/ODUk_A_Sk Atomic Function, and
A portion of the ODUk_TT_Sk Atomic Function.

This video covers the following features associated with the ODUk_TT_Sk Atomic Function.

Checking for Near-End Errors (e.g., PM-BIP-8 Errors)
Checking for Far-End Error Counts (e.g., PM-BEI)

This video also discusses how the ODUk_TT_Sk function will declare and clear the PM-dBDI (Backward Defect Indicator) defect condition.

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OTN – Lesson 10 – Video 2N – The ODUk_TT_So and OTUk/ODUk_A_So Atomic Functions

This post presents the 2nd of the 7 Videos that covers training on the Peformance Monitoring of the ODUk Layer (for Non-Multiplexed Applications). This post focuses on the ODUk_TT_So and OTUk/ODUk_A_So Atomic Functions within the Source Direction ODU-Layer.

OTN – Lesson 10 – Video 2N – The ODUk_TT_So and OTUk/ODUk_A_So Atomic Functions

This blog post contains a video that describes the following two Atomic Functions in detail.

The ODUk_TT_So Atomic Function, and
The OTUk/ODUk_A_So Atomic Function.

Continue reading “OTN – Lesson 10 – Video 2N – The ODUk_TT_So and OTUk/ODUk_A_So Atomic Functions”

OTN – Lesson 10 – Video 1N (100Gbps Ethernet Adaptation Source) Atomic Function

This post presents the 1st of the 7 Videos that covers training on the Peformance Monitoring of the ODUk Layer (for Non-Multiplexed Applications). This post focuses on the Source Direction ODU-Layer Atomic Functions.

OTN – Lesson 10 – Video 1 – The ODUkP/CBR-ETC100GR-g_A_So (or 100Gbps Ethernet Adaptation Source) Atomic Function

This video begins our discussion of the Source-Direction ODU-Layer Atomic Functions for Non-Multiplexed Applications.

This video begins with a high-level overview of the Source-Direction circuitry (for Non-Multiplexed Applications). Afterward, this video covers the ODUkP/CBR-ETC100GR-g_A_So (or 100Gbps Ethernet Adaptation Source Atomic Function).

This atomic function takes a 100GBASE-R client signal and maps it into an ODU4 server signal.

This video discusses much of the processing that the ODUkP/CBR-ETC100GR-g_A_So Atomic Function will perform on this 100GBASE-R signal, as GMP maps this signal into an ODU4 server signal.

Check Out the Video Below

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OTN – Lesson 9 – Video 11 – OTU Layer Defect Handling Requirements and Scenarios

In this video, we presume that some OTUk-Layer circuitry is declaring a certain defect condition. We then determine how OTU (and in some cases) ODU-layer circuitry is expected to respond.

OTN – Lesson 9 – Video 11 – OTU Layer Defect Scenarios

This blog post presents a video that discusses the various defects that OTN equipment can declare at the OTU Layer. Additionally, this video will describe how OTU Layer circuitry should respond to and handle these defect conditions.

This video will state whether OTU Layer circuitry should:

Transmit the SM-BDI Indicator upstream, or
Transmit the ODU-AIS Maintenance Signal downstream,
Increment Certain Performance Monitoring parameters, or
Halt Incrementing Certain Performance Monitoring parameters.

In response to each type of defect that OTU Layer circuitry can declare.

This video covers both Single-Lane (e.g., OTSi/OTUk_A_Sk) and Multi-Lane (e.g., OTSiG/OTUk_A_Sk) applications.

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OTN – Lesson 9 – Video 10 – OTUk/ODUk_A_Sk Function

This post presents the 10th of the 11 Videos that covers training on Performance Monitoring at the OTUk Layer. This post focuses on the Sink Direction OTU-Layer Atomic Functions.

OTN – Lesson 9 – Video 10 – OTU Layer Sink Direction Circuitry/Functionality – Part 8

This blog post contains a video that completes much of the Sink (or Receive) Direction Atomic Function circuitry at the OTU Layer.

In particular, this function will discuss the role/functionality of the OTUk/ODUk_A_Sk Atomic Function.

As we discuss this Atomic Function, we will focus on the following items.

APS (Automatic Protection Switching) features/hooks within the OTUk/ODUk_A_Sk function.
Steps to Forcing the OTUk/ODUk_A_Sk function to transmit the ODUk-LCK Maintenance Signal downstream.
How the OTUk/ODUk_A_Sk function responds to the upstream OTUk_TT_Sk function asserting the AI_TSF and AI_TSD output signals.
Consequent Equation Analysis
The ODUk-AIS Maintenance Signal
Summary of the OTUk/ODUk_A_Sk Function

And finally, a review of the ODUk-OCI Maintenance Signal.

Continue reading “OTN – Lesson 9 – Video 10 – OTUk/ODUk_A_Sk Function”

OTN – Lesson 9 – Video 9 – OTUk_TT_Sk Function/Conclusion

This post presents the 9th of the 11 Videos that covers training on Performance Monitoring at the OTUk Layer. This post focuses on the Sink Direction OTU-Layer Atomic Functions.

OTN – Lesson 9 – Video 9 – OTU Layer Sink Direction Circuitry/Functionality – Part 7

This blog post contains a video that concludes our discussion of the OTUk_TT_Sk Atomic Function.

In particular, this video discusses the following aspects of the OTUk_TT_Sk Function.

Defect Correlation Equations/Analysis
Consequent Equations/Analysis
Performance Monitoring Equations/Analysis

Finally, this video summarizes and wraps up the training/discussion of the OTUk_TT_Sk Atomic Function.

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OTN – Lesson 9 – Video 8 – OTUk_TT_Sk Function

This post presents the 8th of the 11 Videos that covers training on Performance Monitoring at the OTUk Layer. This post focuses on the Sink Direction OTU-Layer Atomic Functions.

OTN – Lesson 9 – Video 8 – OTU Layer Sink Direction Circuitry/Functionality – Part 6

This blog post includes another video that continues our discussion of the OTUk_TT_Sk Atomic Function. In this video, we focus on the following aspects of this function.

How it declares and clears the dIAE (Input Alignment Error) Defect Condition
How it declares and clears the dBIAE (Backward Input Alignment Error) Defect Condition.
The dTIM (Trail Trace Identifier Mismatch) Defect Condition.
The dDEG (Section – Signal Degrade) Defect Condition
The type of signals that the OTUk_TT_Sk function outputs via the OTUk_AP Interface – particularly the AI_TSF and AI_TSD output signals.

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OTN – Lesson 9 – Video 7 – OTUk_TT_Sk Function

This post presents the 7th of the 11 Videos that covers training on Performance Monitoring at the OTUk Layer. This post focuses on the Sink Direction OTU-Layer Atomic Functions.

OTN – Lesson 9 – Video 7 – OTU Layer Sink Direction Circuitry/Functionality – Part 5

This blog post contains a video that starts our discussion of the OTUk_TT_Sk Atomic Function.

This blog post contains the 5th video that discusses the Sink (or Receive) Direction Atomic Functions at the OTU Layer. This video is also the 7th of the 11 videos for Lesson 9.

This video focuses on the following:

What is the CI_SSF input pin?
Near-End Error Checking – SM-BIP-8 Verification
Sending SM-BEI Information based upon SM-BIP-8 Verification results.
Far-End Error Checking – SM-BEI Monitoring
What does it mean to declare or clear the SM-BDI (or dBDI – Backward Defect Indicator) defect condition.

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