====== NET-004a — Configure Communication Latency ======

[[dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-04-virtual-network-and-communication-requirements:net-004-configure-communication-characteristics:start|Go to NET-004 — Configure Communication Behavior]]

===== Statement =====

The [[dido:99_annexes:annex-b-terms-and-definitions:d:dido-te|DIDO-TE]] SHALL configure the [[dido:99_annexes:annex-b-terms-and-definitions:l:latency|Latency]] specified for communication through each [[dido:99_annexes:annex-b-terms-and-definitions:v:virtual_network|Virtual Network]].

===== Source =====

  * [[dido:03-dido-te:99-annexes:annex-b-references:dte-001|[DTE1] U.S. Patent Application US20220237111A1]], representation and configuration of communication latency within Virtual Networks
  * [[dido:03-dido-te:99-annexes:annex-b-references:dte-002|[DTE2] Non-Traditional BAA Submission]], Virtual Networks and Communication

===== Rationale =====

[[dido:99_annexes:annex-b-terms-and-definitions:l:latency|Latency]] is a [[dido:99_annexes:annex-b-terms-and-definitions:c:communication_characteristic|Communication Characteristic]] that can affect the behavior of a distributed system during testing.

The governing [[dido:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]] specifies the Latency required for communication through the [[dido:99_annexes:annex-b-terms-and-definitions:v:virtual_network|Virtual Network]].

Configuring Latency allows DIDO-TE to represent communication delay independently of the physical distance, infrastructure, or networking technology used to realize the Virtual Network.

A [[dido:99_annexes:annex-b-terms-and-definitions:c:communication_parameter|Communication Parameter]] may provide the value or constraint used to configure Latency.

This requirement does not prescribe the mechanism used to introduce, control, or reproduce Latency.

===== Applies To =====

  * [[dido:99_annexes:annex-b-terms-and-definitions:d:dido-te|DIDO-TE]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:v:virtual_network|Virtual Network]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:l:latency|Latency]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:c:communication_characteristic|Communication Characteristic]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:c:communication_parameter|Communication Parameter]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:c:configuration|Configuration]]

===== Verification =====

Verification confirms that:

  - The Latency specified by the governing Test Definition is configurable for communication through the Virtual Network.
  - The configured Latency can be determined independently of the physical network used to realize the Virtual Network.
  - The configured Latency is traceable to the governing Test Definition.
  - Configuring Latency does not require a particular networking technology, middleware implementation, or network-emulation mechanism.

Verification includes a Test Definition specifying a communication Latency and confirms that the Virtual Network is configured with that Latency.

===== Traceability =====

{{backlinks>.}}

===== ConOps Relationship =====

This requirement configures the Latency associated with communication through a Virtual Network.

NET-004b separately configures the Communication Protocol, and NET-004c separately configures Internet Quality of Service.

===== Delivery Phase =====

TBD

===== Requirement Status =====

Draft

===== Statement Reference =====

<code dokuwiki>
{{section>dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-04-virtual-network-and-communication-requirements:net-004-configure-communication-behavior:net-004a-configure-communication-latency#Statement&noheader&nofooter&noeditbtn}}
</code>

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