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MappingOfUseCasesFeaturesRequirementsAndUserStories

Contents

Mapping of Use Cases, Features, Requirements and User Stories

Intro

OpenStack Edge Computing Group (ECG) is a collaboration between several actors and it works on the complex problems of edge computing. As a result of this setup the group uses different places and different terms to describe requirements to he different levels of the edge cloud problem domain. This page collects all the different used levels and makes an attempt to describe a linkage between them.

Requirement types

Features

These are high level features of an edge cloud infrastructure described in a way, that they do not assume any technology details on the implementation. These Features are first developed by the FEMDC SIG and were agreed on and after the Dublin PTG Edge Workshop.

Requirements

Requirements of edge cloud implementations based on the Features with an attempt to identify the components within the edge cloud instances.

Use Cases

ECG have a Subgroup to define Use Cases. These use cases are high level business driven Use Cases for the whole edge cloud infrastructure. They describe a problem what could be solved using edge cloud infrastructure without providing any solution proposals.

MVP User Stories

During the 2nd Denver PTG we got the feedback that it would be nice to have an architecture description for a Minimum Viable Product (MVP) edge architecture. This is an architecture which implements no more, than the very basic requirements of an edge cloud architecture. We were lucky to have the Oath team in the room who shared their edge cloud design with us. We agreed to use this as the first MVP architecture. This MVP architecture takes the existing OpenStack as a basis and defines some requirements to specific OpenStack projects. These requirements are formulated as User Stories, therefore we call them MVP User Stories and track them in Storyboard.

Relationship of all of these

In an ideal world it would look like this: RequirementTypeRelations.png

(For some reasons I was not able to upload the pptx source of this figure to here, so if anyone would like to make modifications on it I'm (csatari) happy to email it over.)

Mapping of all of these

Use cases

This section shows which Features are implementing the specific Use cases

Mobile service provider 5G/4G virtual RAN deployment and Edge Cloud B2B2X.

Features implementing this use case:

Universal customer premise equipment (uCPE) for Enterprise Network Services

Features implementing this use case:

Unmanned Aircraft Systems (Drones)

It is not really clear what functionalities are needed from the infrastructure, but based on my assumptions:

Cloud Storage Gateway - Storage at the Edge

Open Caching - stream/store data at the edge

Smart City as Software-Defined closed-loop system

It is not really clear what functionalities are needed from the infrastructure, but based on my assumptions:

Augmented Reality -- Sony Gaming Network

Analytics/control at the edge

The use case is not developed enough to figure out.

Manage retail chains - chick-fil-a

The use case is not developed enough to figure out.

Smart Home

Data Collection - Smart cooler/cold chain tracking

VPN Gateway Service Delivery

The use case is not developed enough to figure out.

Features

This section shows which Requirements are implementing the specific Features

Elementary operations on one site

Requirements implementing this feature:

  • None, as these are already available

Use of a remote site

Requirements implementing this feature:

Collaboration between edge cloud instances

Requirements implementing this feature:

  • None

Network unreliability

Requirements implementing this feature:

Containers

Requirements implementing this feature:

  • None

Automatic scheduling between edge cloud instances

Requirements implementing this feature:

Administration features

Requirements implementing this feature:

Multiple cloud stacks

Requirements implementing this feature:

  • None

Multi operator scenarios

Requirements implementing this feature:

  • None

Requirements

This section shows which MVP User Stories are implementing the specific Requirements

An edge cloud site should be aware of its location

MVP User Stories implementing this requirement:

  • None

Discovering of data sources

MVP User Stories implementing this requirement:

Open Questions
  • Clarify if the discovery really works (ie.: If there is really no need for any edge site related configuration at installation time)

Registering for synchronisation

MVP User Stories implementing this requirement:

  • None, as the MVP architecture is built on the pull model and the metadata what is pulled is limited to the Keystone and Glance metadata

MVP User Stories implementing this requirement:

  • None, as the MVP architecture is built on the pull model and the metadata what is pulled is limited to the Keystone and Glance metadata

User management data source side

MVP User Stories implementing this requirement:

User management data receiver side

MVP User Stories implementing this requirement:

RBAC data source side

MVP User Stories implementing this requirement:

  • None?

RBAC data receiver side

MVP User Stories implementing this requirement:

  • None?

VM images source side

MVP User Stories implementing this requirement:

VM images receiver side

MVP User Stories implementing this requirement:

Flavors source side

MVP User Stories implementing this requirement:

  • None?

Flavors receiver side

MVP User Stories implementing this requirement:

  • None?

Projects source side

MVP User Stories implementing this requirement:

Projects receiver side

MVP User Stories implementing this requirement:

Quotas source side

MVP User Stories implementing this requirement:

Quotas receiver side

MVP User Stories implementing this requirement:

Progress monitoring

MVP User Stories implementing this requirement:

  • None?

Operability data aggregation data provider part

MVP User Stories implementing this requirement:

  • None?

Operability data aggregation data aggregator part

MVP User Stories implementing this requirement:

  • None?

Remote control controlling part

MVP User Stories implementing this requirement:

Remote control receiving part

MVP User Stories implementing this requirement: