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Provisioning Process Overview


Provisioning is a multistep process that makes services available to customers.

The Getting Started panel in the Junos Space user interface provides the steps involved in provisioning a service, including not only the provisioning work itself (steps 4 through 9), but also the steps that are necessary before you can begin the provisioning process (steps 1 through 3). The following example shows the Service Provisioning assistant in the Getting Started panel:

Steps in the sequence are often performed by users with different levels of privilege. The Junos Space software provides predefined administrator roles that provide the necessary privilege for each step in the sequence:

  • The Device Manager role allows an administrator to discover devices (step 1).

  • The Service Manager role allows an administrator to perform device pre-staging actions including discovering and assigning device roles (steps 2 and 3).

  • The Service Designer roles allows an administrator to create and publish a service definition (step 4).

  • The Service Activator (less privileged) role allows an administrator to perform provisioning tasks including creating and managing customers, service orders, and services (steps 5 through 9).

For details about predefined administrator roles, see Predefined Roles Overview in the Junos Space Network Application Platform User Guide.

Network Operator Tasks—Provisioning Prerequisites

Network operators are usually responsible for performing the prerequisite tasks before the following service designer or service provisioner can perform their tasks:

  • Discovering devices

  • Launching role discovery

  • Assigning N-PE roles

Discovering devices is the process for bringing your network devices under Junos Space management. Network operators who are assigned the Device Manager role can perform this task. See Device Discovery Overview in the Junos Space Network Application Platform User Guide for more information about discovering devices.

Launching role discovery and assigning N-PE roles are collectively known as pre-staging tasks. Pre-staging finds the N-PE devices among those already under Junos Space management and assigns appropriate MPLS N-PE roles to these devices and user-to-network interface (UNI) roles to their interfaces. Once these roles are established, the devices are ready for provisioning. Users who are assigned the Service Manager role can perform device role discovery and role assignment. See Prestaging Devices Overview for more information about pre-staging devices.

Service Designer Tasks

The service designer is responsible for the service definitions that the service provisioner will use as the basis for creating a service order.

A service definition specifies the attributes that are common among a group of service orders that have similar service requirements. For example, a service definition might specify a port-to-port service, whether the associated VCID should be assigned automatically from a predefined pool or specified by the user, and what range of bandwidths can be assigned in the service order. The service definition also defines which attributes of the service can be edited in the service order.

The Junos Space product provides several standard service definitions which support most needs. If the standard service definitions do not support your needs, then the service designer needs to create new, customized service definitions.

Users who are assigned the Service Designer role can create and manage service definitions.

Service Provisioner Tasks

Service provisioner tasks include the following:

  • Creating the customer.

  • Creating the service order.

  • Deploying the service.

  • Performing a configuration audit.

  • Performing a functional audit.

A service order is an instance of the service definition that completes the definition for a specific customer’s use. The service order always specifies the customer and the endpoints that link the customer sites through the MPLS network. For each endpoint, the service provisioner specifies the N-PE device and the UNI on that device that connects the customer site to the N-PE device. The service order can also specify any additional attributes that are configured in the service definition as editable in the service order. These attributes might include the VCID, MTU for the UNI, MTU for the connection across the network, VLAN-ID, and bandwidth.

Deployment of a service order pushes a service to the network devices. Before deployment completes, a series of pre-validation checks takes place. If the pre-validation checks indicate that the service is valid, the deployment proceeds. If the pre-validation checks indicate an invalid service, the service provisioner must re-create the service order correctly before trying again to deploy it.

After the service is deployed, a functional audit establishes whether the service is up or down. If the functional audit reports that the service is up, the customer can begin using the service.

Once the service is active, the service provisioner can monitor the health of the service by running a functional audit or a configuration audit.

Users assigned the Service Activator role can perform these service provisioning tasks.