diff --git a/xos-profiles/ponsim-pod/Chart.yaml b/xos-profiles/ponsim-pod/Chart.yaml
index a1ad9c9..0e92b7f 100644
--- a/xos-profiles/ponsim-pod/Chart.yaml
+++ b/xos-profiles/ponsim-pod/Chart.yaml
@@ -18,7 +18,7 @@
 description: A Helm chart for loading the Ponsim pod's TOSCA files into XOS
 icon: https://guide.opencord.org/logos/xos.svg
 
-version: 1.4.0
+version: 1.4.1
 
 # xosproject/tosca-loader version
 appVersion: 1.3.1
diff --git a/xos-profiles/ponsim-pod/tosca/030-fabric.yaml b/xos-profiles/ponsim-pod/tosca/030-fabric.yaml
index 3bf6030..ed37849 100644
--- a/xos-profiles/ponsim-pod/tosca/030-fabric.yaml
+++ b/xos-profiles/ponsim-pod/tosca/030-fabric.yaml
@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+{{- if $.Values.bng.external.enabled }}
 tosca_definitions_version: tosca_simple_yaml_1_0
 imports:
   - custom_types/switch.yaml
@@ -103,3 +104,212 @@
         - service_instance:
             node: onos_app#dhcpl2relay
             relationship: tosca.relationships.BelongsToOne
+{{- end }}
+
+{{- if $.Values.bng.embedded.enabled }}
+tosca_definitions_version: tosca_simple_yaml_1_0
+imports:
+  - custom_types/switch.yaml
+  - custom_types/onosapp.yaml
+  - custom_types/switchport.yaml
+  - custom_types/portinterface.yaml
+  - custom_types/vrouterserviceinstance.yaml
+  - custom_types/vrouterstaticroute.yaml
+  - custom_types/fabricipaddress.yaml
+  - custom_types/serviceinstanceattribute.yaml
+
+description: Configures the Ponsim SEBA POD fabric
+
+topology_template:
+  node_templates:
+    # Fabric configuration
+    switch#agg_sw:
+      type: tosca.nodes.Switch
+      properties:
+        driver: "stratum-bmv2"
+        pipeconf: 'org.onosproject.pipelines.fabric-bng'
+        managementAddress: "grpc://mininet-stratum:50001?device_id=1"
+        ipv4Loopback: 192.168.0.201
+        ipv4NodeSid: 17
+        isEdgeRouter: True
+        ofId: device:agg1
+        name: AGG SWITCH
+        routerMac: 00:00:02:01:06:01
+
+# Setup the OLT switch ports
+{{- range $i, $junk := until (.Values.numOlts|int) }}
+
+    port#olt{{ $i }}_port:
+      type: tosca.nodes.SwitchPort
+      properties:
+        portId: {{ add 3 $i }}
+        host_learning: false
+      requirements:
+        - switch:
+            node: switch#agg_sw
+            relationship: tosca.relationships.BelongsToOne
+
+    interface#access_interface_{{ $i }}:
+      type: tosca.nodes.PortInterface
+      properties:
+        name: access
+      requirements:
+        - port:
+            node: port#olt{{ $i }}_port
+            relationship: tosca.relationships.BelongsToOne
+
+    ip#access_ip_{{ $i }}:
+      type: tosca.nodes.FabricIpAddress
+      properties:
+        ip: "10.255.255.{{ $i }}/24"
+        description: access_ip_{{ $i }}
+      requirements:
+        - interface:
+            node: interface#access_interface_{{ $i }}
+            relationship: tosca.relationships.BelongsToOne
+{{- end }}
+
+    # Port connected to the PPPoE Server
+    port#pppoe_server_port:
+      type: tosca.nodes.SwitchPort
+      properties:
+        portId: 1
+      requirements:
+        - switch:
+            node: switch#agg_sw
+            relationship: tosca.relationships.BelongsToOne
+
+    interface#ppoe_server_interface_1:
+      type: tosca.nodes.PortInterface
+      properties:
+        vlanUntagged: 100
+        name: pppoe_server
+      requirements:
+        - port:
+            node: port#pppoe_server_port
+            relationship: tosca.relationships.BelongsToOne
+
+    # Port connected to the Upstream router
+    port#upstream_port:
+      type: tosca.nodes.SwitchPort
+      properties:
+        portId: 2
+      requirements:
+        - switch:
+            node: switch#agg_sw
+            relationship: tosca.relationships.BelongsToOne
+
+    interface#upstream_interface_1:
+      type: tosca.nodes.PortInterface
+      properties:
+        vlanUntagged: 200
+        name: upstream
+      requirements:
+        - port:
+            node: port#upstream_port
+            relationship: tosca.relationships.BelongsToOne
+
+    ip#upstream_ip_1:
+      type: tosca.nodes.FabricIpAddress
+      properties:
+        ip: "10.10.10.254/24"
+        description: upstream_ip_1
+      requirements:
+        - interface:
+            node: interface#upstream_interface_1
+            relationship: tosca.relationships.BelongsToOne
+
+    # Upstream host configuration
+    upstream-host-config:
+      type: tosca.nodes.ServiceInstanceAttribute
+      properties:
+        name: /onos/v1/network/configuration
+        value: >
+          {
+            "hosts": {
+              "00:66:77:88:99:AA/None": {
+                "basic": {
+                  "name": "Upstream",
+                  "ips": [
+                    "10.10.10.1"
+                  ],
+                  "locations": [
+                    "device:agg1/2"
+                  ]
+                }
+              }
+            }
+          }
+      requirements:
+        - service_instance:
+            node: ip#upstream_ip_1
+            relationship: tosca.relationships.BelongsToOne
+
+    onos_app#segmentrouting:
+      type: tosca.nodes.ONOSApp
+      properties:
+        name: org.onosproject.segmentrouting
+        must-exist: true
+
+    segmentrouting-config-attr:
+      type: tosca.nodes.ServiceInstanceAttribute
+      properties:
+        name: /onos/v1/configuration/org.onosproject.segmentrouting.SegmentRoutingManager?preset=true
+        value: >
+          {
+              "routeSimplification": "false",
+              "routeDoubleTaggedHosts": "true",
+              "respondToUnknownHosts": "true",
+              "defaultInternalVlan": "4094",
+              "pwTransportVlan": "4090",
+              "activeProbing": "true",
+              "singleHomedDown": "false",
+              "symmetricProbing": "false"
+          }
+      requirements:
+        - service_instance:
+            node: onos_app#segmentrouting
+            relationship: tosca.relationships.BelongsToOne
+
+    # VRouter and default route.
+    vrouter#my_vrouter:
+      type: tosca.nodes.VRouterServiceInstance
+      properties:
+        name: my_vrouter
+
+    route#default_route:
+      type: tosca.nodes.VRouterStaticRoute
+      properties:
+        prefix: "0.0.0.0/0"
+        next_hop: "10.10.10.1"
+      requirements:
+        - vrouter:
+            node: vrouter#my_vrouter
+            relationship: tosca.relationships.BelongsToOne
+
+    # BNG App and its configuration for the PPPoE server relay.
+    onos_app#bng:
+      type: tosca.nodes.ONOSApp
+      properties:
+        name: org.opencord.bng
+        must-exist: true
+
+    bng-config-attr:
+      type: tosca.nodes.ServiceInstanceAttribute
+      properties:
+        name: /onos/v1/network/configuration/apps/org.opencord.bng
+        value: >
+          {
+            "pppoerelay": {
+              "oltConnectPoint": "device:agg1/3",
+              "pppoeServerConnectPoint": "device:agg1/1"
+            },
+            "bng": {
+              "bnguDeviceId": "device:agg1"
+            }
+          }
+      requirements:
+        - service_instance:
+            node: onos_app#bng
+            relationship: tosca.relationships.BelongsToOne
+{{- end }}
diff --git a/xos-profiles/ponsim-pod/tosca/dt-workflow/010-dt-workflow.yaml b/xos-profiles/ponsim-pod/tosca/dt-workflow/010-dt-workflow.yaml
new file mode 100644
index 0000000..06ec574
--- /dev/null
+++ b/xos-profiles/ponsim-pod/tosca/dt-workflow/010-dt-workflow.yaml
@@ -0,0 +1,54 @@
+---
+# Copyright 2019-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# curl -H "xos-username: admin@opencord.org" -H "xos-password: letmein" -X POST --data-binary @oss-service.yaml http://10.90.0.101:30007/run
+
+tosca_definitions_version: tosca_simple_yaml_1_0
+imports:
+  - custom_types/servicedependency.yaml
+  - custom_types/voltservice.yaml
+  - custom_types/dtworkflowdriverwhitelistentry.yaml
+  - custom_types/dtworkflowdriverservice.yaml
+description: Create an instance of the OSS Service and connect it to the vOLT Service
+
+topology_template:
+  node_templates:
+
+    service#dt:
+      type: tosca.nodes.DtWorkflowDriverService
+      properties:
+        name: dt-workflow-driver
+        must-exist: true
+
+{{- $onucount := (.Values.numOnus|int) }}
+{{- range $i, $junk := until (.Values.numOlts|int) }}
+{{- range $j, $junk1 := until ($onucount) }}
+    whitelist{{ $i }}-{{ $j }}:
+      type: tosca.nodes.DtWorkflowDriverWhiteListEntry
+      properties:
+{{- if $.Values.legacyPonsim }}
+        serial_number: PSMO12345678
+        device_id: of:0000aabbccddeeff
+{{- else }}
+        serial_number: PSMO{{ printf "%04d%04d" $i $j }}
+        device_id: {{ index $.Values.oltDpids $i }}
+{{- end }}
+        pon_port_id: 1
+      requirements:
+        - owner:
+            node: service#dt
+            relationship: tosca.relationships.BelongsToOne
+{{- end }}
+{{- end }}
diff --git a/xos-profiles/ponsim-pod/values.yaml b/xos-profiles/ponsim-pod/values.yaml
index 01a7d70..6a992b0 100644
--- a/xos-profiles/ponsim-pod/values.yaml
+++ b/xos-profiles/ponsim-pod/values.yaml
@@ -59,3 +59,8 @@
 fabric:
   stratum:
     enabled: false
+bng:
+  external:
+    enabled: true
+  embedded:
+    enabled: false
diff --git a/xos-profiles/seba-services/Chart.yaml b/xos-profiles/seba-services/Chart.yaml
index d894f8d..5f30e70 100644
--- a/xos-profiles/seba-services/Chart.yaml
+++ b/xos-profiles/seba-services/Chart.yaml
@@ -17,7 +17,7 @@
 name: seba-services
 description: A Helm chart for XOS's "SEBA" profile
 icon: https://guide.opencord.org/logos/cord.svg
-version: 1.4.1
+version: 1.4.2
 
 # xosproject/tosca-loader version
 appVersion: 1.3.1