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This deployment means that MediationZone is deployed as a VNF in an NFV Infrastructure, provided by an NFV-I vendor.<picture>
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NFV deployments can be just as varied as non-NFV deployments, and it is not simple to capture every possible MediationZone product in a single diagram. The main difference from MediationZone’s perspective compared to the previously mentioned virtual deployment options is integration with the NFV MANO layer. MediationZone Common O&M APIs are used by the VNF Manager to collect, deploy, instantiate, scale and shutdown metrics.
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MediationZone is assumed to be delivered as a VM image in QCOW2 format. DigitalRoute assumes that a basic Linux image is provided by the customer, complying with customer environment-specific OS storage, networking, hardening and configuration policies, on which DigitalRoute then installs MediationZone, creating a new image which is the deliverable from DigitalRoute. A deployment descriptor containing topology information is also part of the VNF delivery.<picture>
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MediationZone normally comes with two common images, one for CZ (Platform) and one for EZ (EC/ECSA/SC) VNFC types. However, when circumstances merit it multiple image types can be delivered – e.g. for deployments where CouchBase is part of DZ, or GlusterFS is used. These images do not contain any site-specific information, but must be configured during image bootstrapping using the NFV Infrastructure’s bootstrapping mechanisms. These are environment-specific and must be clarified during an implementation project.
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It is assumed that a parallel cluster with updated VM images is deployed by the NFV-O and VNF-M, data is replicated from the old cluster, and then traffic is cut over. For most use cases rolling upgrades are possible. The exact procedure is use case dependent, in particular on persistent state management and data loss tolerance for the particular use case, and must be determined per individual deployment.
VNF Migration
It is assumed that VNF migration is handled much like a VNF upgrade. For some cases VIM tools may be used instead, e.g. vMotion on VMware VIMs if SR-IOV is not used.
VNF Decommissioning
It is assumed this is no more complicated than performing a graceful VNF shutdown and then deleting the VNF from the NFV-O catalogues.
Google Cloud Platform Deployment
MediationZone is not verified on Google Cloud Platform, though by deploying on Linux, treating VMs like physical servers, and using external orchestrators as outlined for a physical hardware deployment, a successful deployment with HA could be achieved.
If you are interested in using MediationZone in a Google Cloud Platform environment, contact us to discuss your particular circumstances.
Microsoft Azure Deployment
MediationZone is not verified on Microsoft Azure, though by deploying on Linux, treating VMs like physical servers, and using external orchestrators as outlined for a physical hardware deployment, a successful deployment with HA could be achieved.
If you are interested in using MediationZone in a Microsoft Azure environment, contact us to discuss your particular circumstances.
Other Public Clouds
MediationZone is not verified on other public clouds like e.g. RackSpace, though by deploying on Linux, treating VMs like physical servers, and using external orchestrators as outlined for a physical hardware deployment, a successful deployment with HA could be achieved.
Docker Deployment
MediationZone can of course be deployed in Docker images. Please refer to DigitalRoute Usage Engine Private Edition for a mediation engine based on Docker images and Kubernetes.
Kubernetes/Mesos
Please refer to DigitalRoute Usage Engine Private Edition for a mediation engine based on Docker images and Kubernetes.
Cloud Foundry Deployment
MediationZone can be exposed as a Service in Cloud Foundry using the Service Broker mechanism. It is not suited to running as a Cloud Foundry Application, since these can only communicate via HTTPS and WebSockets, while one of MZ’s main usages is to integrate systems using a wide range of different protocols. If you are interested in exposing MediationZone on Cloud Foundry, contact DigitalRoute to discuss your particular circumstances.