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Communication patterns

  • Intra-Component communication (e.g. between so-bpmn-infra and so-sdnc-adapter)
  • Inter-Component communication (e.g. between onap-cli and so)
  • External communication (e.g. user → sdc-ui)

Assumptions (to be agreed)

  • AAF will be removed
    • → No Container port encryption
  • Services must not use NodePorts 
    • → external communication only via Ingress
  • Ingress is the default for external communication
    • Istio IngressGateway
    • Nginx Ingress ?
    • Rules for URLs (<comp-api>.<base-url>)
      • Background: wildcard-certificate usually covers just 1 level e.g. a.simpledemo.onap.org, not b.a.simpledemo.org

      • current Ingress settings (see HOSTS):

        Current Ingress APIs 
        NAME                                    GATEWAYS                                    HOSTS                                                                           AGE
onap-aaf-cm-service                     ["onap-aaf-cm-gateway"]                     ["aafcm.simpledemo.onap.org"]                                                   8h
onap-aaf-fs-service                     ["onap-aaf-fs-gateway"]                     ["aaffs.simpledemo.onap.org"]                                                   8h
onap-aaf-gui-service                    ["onap-aaf-gui-gateway"]                    ["aafgui.simpledemo.onap.org"]                                                  8h
onap-aaf-locate-service                 ["onap-aaf-locate-gateway"]                 ["aaflocate.simpledemo.onap.org"]                                               8h
onap-aaf-oauth-service                  ["onap-aaf-oauth-gateway"]                  ["aafoauth.simpledemo.onap.org"]                                                8h
onap-aaf-service-service                ["onap-aaf-service-gateway"]                ["aafservice.simpledemo.onap.org"]                                              8h
onap-aai-babel-service                  ["onap-aai-babel-gateway"]                  ["aaibabel.simpledemo.onap.org"]                                                8h
onap-aai-service                        ["onap-aai-gateway"]                        ["aai.api.simpledemo.onap.org"]                                                 8h
onap-aai-sparky-be-service              ["onap-aai-sparky-be-gateway"]              ["aaisparkybe.simpledemo.onap.org"]                                             8h
onap-cds-blueprints-processor-service   ["onap-cds-blueprints-processor-gateway"]   ["blueprintsprocessorhttp.simpledemo.onap.org"]                                 8h
onap-cds-ui-service                     ["onap-cds-ui-gateway"]                     ["cdsui.simpledemo.onap.org"]                                                   8h
onap-cli-service                        ["onap-cli-gateway"]                        ["cli.api.simpledemo.onap.org","cli2.api.simpledemo.onap.org"]                  8h
onap-consul-service                     ["onap-consul-gateway"]                     ["consul.api.simpledemo.onap.org"]                                              8h
onap-cps-core-service                   ["onap-cps-core-gateway"]                   ["cps-core.simpledemo.onap.org"]                                                8h
onap-cps-temporal-service               ["onap-cps-temporal-gateway"]               ["cps-temporal.simpledemo.onap.org"]                                            8h
onap-dcaemod-distributor-api-service    ["onap-dcaemod-distributor-api-gateway"]    ["dcaemod.simpledemo.onap.org"]                                                 8h
onap-dcaemod-genprocessor-service       ["onap-dcaemod-genprocessor-gateway"]       ["dcaemod.simpledemo.onap.org"]                                                 8h
onap-dcaemod-onboarding-api-service     ["onap-dcaemod-onboarding-api-gateway"]     ["dcaemod.simpledemo.onap.org"]                                                 8h
onap-dmaap-bc-service                   ["onap-dmaap-bc-gateway"]                   ["dmaapbc.simpledemo.onap.org"]                                                 8h
onap-dmaap-dr-node-service              ["onap-dmaap-dr-node-gateway"]              ["dmaapdrnode.simpledemo.onap.org"]                                             8h
onap-dmaap-dr-prov-service              ["onap-dmaap-dr-prov-gateway"]              ["dmaapdrprov.simpledemo.onap.org"]                                             8h
onap-msb-consul-service                 ["onap-msb-consul-gateway"]                 ["msbconsul.simpledemo.onap.org"]                                               8h
onap-msb-discovery-service              ["onap-msb-discovery-gateway"]              ["msb.api.discovery.simpledemo.onap.org"]                                       8h
onap-msb-eag-service                    ["onap-msb-eag-gateway"]                    ["msbeag.simpledemo.onap.org"]                                                  8h
onap-msb-iag-service                    ["onap-msb-iag-gateway"]                    ["msbiag.simpledemo.onap.org"]                                                  8h
onap-nbi-service                        ["onap-nbi-gateway"]                        ["nbi.api.simpledemo.onap.org"]                                                 8h
onap-ncmp-dmi-plugin-service            ["onap-ncmp-dmi-plugin-gateway"]            ["ncmp-dmi-plugin.simpledemo.onap.org"]                                         8h
onap-oof-has-api-service                ["onap-oof-has-api-gateway"]                ["oof-has-api.onap.simpledemo.onap.org"]                                        8h
onap-oof-service                        ["onap-oof-gateway"]                        ["oofosdf.simpledemo.onap.org"]                                                 8h
onap-policy-gui-service                 ["onap-policy-gui-gateway"]                 ["policygui.api.simpledemo.onap.org"]                                           8h
onap-robot-service                      ["onap-robot-gateway"]                      ["robot.api.simpledemo.onap.org"]                                               8h
onap-sdc-be-service                     ["onap-sdc-be-gateway"]                     ["sdc.api.be.simpledemo.onap.org"]                                              8h
onap-sdc-fe-service                     ["onap-sdc-fe-gateway"]                     ["sdc.api.fe.simpledemo.onap.org"]                                              8h
onap-sdc-wfd-be-service                 ["onap-sdc-wfd-be-gateway"]                 ["sdcwfdbe.simpledemo.onap.org"]                                                8h
onap-sdc-wfd-fe-service                 ["onap-sdc-wfd-fe-gateway"]                 ["sdcwfdfe.simpledemo.onap.org"]                                                8h
onap-sdnc-dgbuilder-service             ["onap-sdnc-dgbuilder-gateway"]             ["sdnc-dgbuilder.simpledemo.onap.org","sdnc-web-service.simpledemo.onap.org"]   8h
onap-sdnc-service                       ["onap-sdnc-gateway"]                       ["sdnc.api.simpledemo.onap.org"]                                                8h
onap-so-admin-cockpit-service           ["onap-so-admin-cockpit-gateway"]           ["soadmincockpit.simpledemo.onap.org"]                                          7h47m
onap-so-etsi-nfvo-ns-lcm-service        ["onap-so-etsi-nfvo-ns-lcm-gateway"]        ["soetsinfvonslcm.simpledemo.onap.org"]                                         7h47m
onap-so-etsi-sol003-adapter-service     ["onap-so-etsi-sol003-adapter-gateway"]     ["soetsisol003adapter.simpledemo.onap.org"]                                     7h47m
onap-so-service                         ["onap-so-gateway"]                         ["so.api.simpledemo.onap.org"]                                                  7h47m
onap-uui-server-service                 ["onap-uui-server-gateway"]                 ["uuiserver.simpledemo.onap.org"]                                               7h44m
onap-uui-service                        ["onap-uui-gateway"]                        ["uui.api.simpledemo.onap.org"]                                                 7h44m
onap-vnfsdk-service                     ["onap-vnfsdk-gateway"]                     ["refrepo.simpledemo.onap.org"]                                                 7h44m
      • → should we make a common rule for Ingress URLs, e.g. 
        • don't use sub-urls (e.g. aai.api), but use dash (e.g. aai-api)
        • use "-api" for apis, use "-ui" for UIs
        • use common way of naming: <component>-<application>-<api|ui>
        • Possible result:
        • Proposal for Ingress API Names 
          NAME                                    GATEWAYS                                    HOSTS                                                                           AGE
onap-aaf-cm-service                     ["onap-aaf-cm-gateway"]                     ["aaf-cm-api.simpledemo.onap.org"]                                                   8h
onap-aaf-fs-service                     ["onap-aaf-fs-gateway"]                     ["aaf-fs-api.simpledemo.onap.org"]                                                   8h
onap-aaf-gui-service                    ["onap-aaf-gui-gateway"]                    ["aaf-ui.simpledemo.onap.org"]                                                  8h
onap-aaf-locate-service                 ["onap-aaf-locate-gateway"]                 ["aaf-locate-api.simpledemo.onap.org"]                                               8h
onap-aaf-oauth-service                  ["onap-aaf-oauth-gateway"]                  ["aaf-oauth-api.simpledemo.onap.org"]                                                8h
onap-aaf-service-service                ["onap-aaf-service-gateway"]                ["aaf-service-api.simpledemo.onap.org"]                                              8h
onap-aai-babel-service                  ["onap-aai-babel-gateway"]                  ["aai-babel-api.simpledemo.onap.org"]                                                8h
onap-aai-service                        ["onap-aai-gateway"]                        ["aai-api.simpledemo.onap.org"]                                                 8h
onap-aai-sparky-be-service              ["onap-aai-sparky-be-gateway"]              ["aai-sparkybe-api.simpledemo.onap.org"]                                             8h
onap-cds-blueprints-processor-service   ["onap-cds-blueprints-processor-gateway"]   ["cds-blueprintsprocessor-api.simpledemo.onap.org"]                                 8h
onap-cds-ui-service                     ["onap-cds-ui-gateway"]                     ["cds-ui.simpledemo.onap.org"]                                                   8h
onap-cli-service                        ["onap-cli-gateway"]                        ["cli-api.simpledemo.onap.org","cli2-api.simpledemo.onap.org"]                  8h
onap-consul-service                     ["onap-consul-gateway"]                     ["consul-api.simpledemo.onap.org"]                                              8h
onap-cps-core-service                   ["onap-cps-core-gateway"]                   ["cps-core-api.simpledemo.onap.org"]                                                8h
onap-cps-temporal-service               ["onap-cps-temporal-gateway"]               ["cps-temporal-api.simpledemo.onap.org"]                                            8h
onap-dcaemod-distributor-api-service    ["onap-dcaemod-distributor-api-gateway"]    ["dcaemod-distributor-api.simpledemo.onap.org"]                                                 8h
onap-dcaemod-genprocessor-service       ["onap-dcaemod-genprocessor-gateway"]       ["dcaemod-genprocessor-api.simpledemo.onap.org"]                                                 8h
onap-dcaemod-onboarding-api-service     ["onap-dcaemod-onboarding-api-gateway"]     ["dcaemod-onboarding-api.simpledemo.onap.org"]                                                 8h
onap-dmaap-bc-service                   ["onap-dmaap-bc-gateway"]                   ["dmaap-bc-api.simpledemo.onap.org"]                                                 8h
onap-dmaap-dr-node-service              ["onap-dmaap-dr-node-gateway"]              ["dmaap-drnode-api.simpledemo.onap.org"]                                             8h
onap-dmaap-dr-prov-service              ["onap-dmaap-dr-prov-gateway"]              ["dmaap-drprov-api.simpledemo.onap.org"]                                             8h
onap-msb-consul-service                 ["onap-msb-consul-gateway"]                 ["msb-consul-api.simpledemo.onap.org"]                                               8h
onap-msb-discovery-service              ["onap-msb-discovery-gateway"]              ["msb-api.discovery.simpledemo.onap.org"]                                       8h
onap-msb-eag-service                    ["onap-msb-eag-gateway"]                    ["msb-eag-api.simpledemo.onap.org"]                                                  8h
onap-msb-iag-service                    ["onap-msb-iag-gateway"]                    ["msb-iag-api.simpledemo.onap.org"]                                                  8h
onap-nbi-service                        ["onap-nbi-gateway"]                        ["nbi-api.simpledemo.onap.org"]                                                 8h
onap-ncmp-dmi-plugin-service            ["onap-ncmp-dmi-plugin-gateway"]            ["cps-ncmpdmiplugin-api.simpledemo.onap.org"]                                         8h
onap-oof-has-api-service                ["onap-oof-has-api-gateway"]                ["oof-has-api.onap.simpledemo.onap.org"]                                        8h
onap-oof-service                        ["onap-oof-gateway"]                        ["oof-osdf-api.simpledemo.onap.org"]                                                 8h
onap-policy-gui-service                 ["onap-policy-gui-gateway"]                 ["policy-ui.api.simpledemo.onap.org"]                                           8h
onap-robot-service                      ["onap-robot-gateway"]                      ["robot-api.simpledemo.onap.org"]                                               8h
onap-sdc-be-service                     ["onap-sdc-be-gateway"]                     ["sdc-be-api.simpledemo.onap.org"]                                              8h
onap-sdc-fe-service                     ["onap-sdc-fe-gateway"]                     ["sdc-fe-api.simpledemo.onap.org"]                                              8h
onap-sdc-wfd-be-service                 ["onap-sdc-wfd-be-gateway"]                 ["sdc-wfdbe-api.simpledemo.onap.org"]                                                8h
onap-sdc-wfd-fe-service                 ["onap-sdc-wfd-fe-gateway"]                 ["sdc-wfdfe-ui.simpledemo.onap.org"]                                                8h
onap-sdnc-dgbuilder-service             ["onap-sdnc-dgbuilder-gateway"]             ["sdnc-dgbuilder-api.simpledemo.onap.org","sdnc-webservice-api.simpledemo.onap.org"]   8h
onap-sdnc-service                       ["onap-sdnc-gateway"]                       ["sdnc-api.simpledemo.onap.org"]                                                8h
onap-so-admin-cockpit-service           ["onap-so-admin-cockpit-gateway"]           ["so-admincockpit-ui.simpledemo.onap.org"]                                          7h47m
onap-so-etsi-nfvo-ns-lcm-service        ["onap-so-etsi-nfvo-ns-lcm-gateway"]        ["so-etsinfvonslcm-api.simpledemo.onap.org"]                                         7h47m
onap-so-etsi-sol003-adapter-service     ["onap-so-etsi-sol003-adapter-gateway"]     ["so-etsisol003adapter-api.simpledemo.onap.org"]                                     7h47m
onap-so-service                         ["onap-so-gateway"]                         ["so-api.simpledemo.onap.org"]                                                  7h47m
onap-uui-server-service                 ["onap-uui-server-gateway"]                 ["uui-server-api.simpledemo.onap.org"]                                               7h44m
onap-uui-service                        ["onap-uui-gateway"]                        ["uui-ui.simpledemo.onap.org"]                                                 7h44m
onap-vnfsdk-service                     ["onap-vnfsdk-gateway"]                     ["vnfsdk-refrepo-api.simpledemo.onap.org"]                                                 7h44m
  • Inter-component communication can be 
    • directly (as today)
    • via Ingress (Seshu's proposal) ?
  • Communication encryption can be done:
    • on Ingress level (adding certificate to Gateway)
    • on SM (e.g. Istio sidecars)
    • on Kernel Level (using eBPF via Cilium)

ONAP Setups (supported by OOM)

Default Secure ONAP setup

  • Discussed and agreed with SECCOM Meeting (19.07.22)
  • External communication:
    • Components expose (external) interfaces to Ingress 
    • Encryption on Ingress (optional)
  • Internal communication: 
    • Service Mesh enabled
    • No TLS port encryption on pods
    • Direct encrypted inter-component communication (via sidecars)

Solution using Istio (ONAP components deployed on one k8s cluster):

 


Solution using Istio (ONAP components deployed on different k8s clusters):



Alternative future solution using eBPF via Cilium:

https://cilium.io/blog/2020/11/10/ebpf-future-of-networking/
https://ebpf.io/

Also supported in Istio (Merbridge): https://istio.io/latest/blog/2022/merbridge/


Alternative (insecure options)

Option 1 (no ONAP internal Encryption)

  • External communication:
    • Components expose (external) interfaces to Ingress 
    • Encryption on Ingress (optional)
  • Internal communication: 
    • No service Mesh
    • No TLS port encryption on pods
    • Direct unencrypted inter-component communication

Option 2 (inter-component encryption)

  • External communication:
    • Components expose (external) interfaces to Ingress 
    • Encryption on Ingress (optional)
  • Internal communication: 
    • No service Mesh
    • No TLS port encryption on pods
    • Inter-component communication via Ingress (encrypted)

Option 3 (full encryption)


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