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+Setting Up Aether-in-a-Box
+==========================
+
+Aether-in-a-Box (AiaB) provides an easy way to deploy the Aether software stack and
+run basic tests.  This guide describes the steps to set up AiaB.
+
+AiaB can be run on a bare metal machine or VM.  Prerequisites:
+
+* Ubuntu 18.04
+* Kernel 4.15 or later
+* Haswell CPU or newer
+
+Clone Repositories
+------------------
+
+Clone the following repositories, using your gerrit ids as necessary::
+
+    mkdir -p ~/cord    # need to clone below 2 repos in this directory
+    git clone "ssh://<username>@gerrit.opencord.org:29418/helm-charts"
+    git clone "ssh://<username>@gerrit.opencord.org:29418/aether-helm-charts"
+
+    cd ~  # go back to home directory
+    git clone "ssh://<username>@gerrit.opencord.org:29418/aether-in-a-box"
+
+Set up Authentication Tokens
+----------------------------
+
+Edit the file *aether-in-a-box/configs/authentication*.
+
+Fill out REGISTRY_USERNAME and REGISTRY_CLI_SECRET as follows:
+
+* Log into the `Aether Harbor Registry <https://registry.aetherproject.org>`_ using your Crowd credentials
+* Select *User Profile* from the drop-down menu in the upper right corner
+* For REGISTRY_USERNAME, use the *Username* in your profile
+* Copy the *CLI secret* to the clipboard and paste to REGISTRY_CLI_SECRET
+
+If you want to install using Aether's published Helm charts rather than the local charts
+checked out in the previous step, fill out REPO_USERNAME and REPO_PASSWORD with the
+information needed to authenticate with Aether's Helm chart repository.  This step is optional.
+
+Start the 4G Core
+-----------------
+
+Deploy Aether-in-a-Box and start the 4G core::
+
+    cd aether-in-a-box
+
+    make test  # create K8s cluster, start 4G network functions, and run ping test
+
+By default, the installation uses the local charts that were checked out earlier.  However the
+files in the *configs/* directory can be used to install AiaB using charts published to the Aether Helm
+chart repository.  For example, the file *configs/rc-1.5* can be used to install the Aether 1.5 release candidate.
+To install AiaB using the chart versions specified in this file, set the *CHARTS* variable when invoking *make*::
+
+    CHARTS=rc-1.5 make test
+
+Once you are done with the test, stop the 4G Core as follows::
+
+    make reset-test  # this does not destroy K8s cluster
+
+Start the 5G Core
+-----------------
+
+Deploy Aether-in-a-Box and start the 5G core::
+
+    cd aether-in-a-box
+
+    make 5gc  # start all 5G network functions with default images
+
+    kubectl get pods -n omec # verify that all 5g pods are started
+
+Sample output::
+
+    NAME                       READY   STATUS      RESTARTS   AGE
+    amf-7d6f649b4f-jzd9r       1/1     Running     0          41s
+    ausf-8dd5d7465-xrjdl       1/1     Running     0          41s
+    gnbsim-0                   1/1     Running     0          25s
+    mongodb-55555bc884-wqcrh   1/1     Running     0          41s
+    nrf-ddd7d8d5b-vjv84        1/1     Running     0          41s
+    nssf-7978bb74cc-zct9v      1/1     Running     0          41s
+    pcf-5bbbff96d6-l54f6       1/1     Running     0          41s
+    smf-86b6fd5674-tq8h9       1/1     Running     0          41s
+    udm-5fdf9cf56d-76hlt       1/1     Running     0          41s
+    udr-d8f855c6b-jj8lw        1/1     Running     0          41s
+    upf-0                      4/4     Running     0          55s
+    webui-79c8b7dfc7-wn6st     1/1     Running     0          41s
+
+You can use *gnbsim* to test 5G functionality.  For example, to run the 5G user registration::
+
+    kubectl -n omec exec gnbsim-0 -- /go/src/gnbsim/gnbsim register
+
+
+SD-CORE Developer Loop
+----------------------
+
+Tips for SD-CORE developers:
+
+Deploy custom images by editing `~/aether-in-a-box/aether-in-a-box-values.yaml`::
+
+    images:
+        tags:
+            webui: registry.aetherproject.org/omecproject/5gc-webui:onf-release3.0.5-roc-935305f
+        pullPolicy: IfNotPresent
+        pullSecrets:
+            - name: "aether.registry"
+
+Stop the 5G Core and start it again::
+
+    make reset-5g-test
+    make 5gc