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In this section:

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You need a valid license from

Spacevars
0company
 to enable functionality on
Spacevars
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 SBCs. Each SBC license provides a base set of capabilities to which additional features and capacity can be added and enabled as required.
Spacevars
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 offers multiple licensing options to meet various customer use cases and deployments.

  • Node-Locked Licensing  -  This is the traditional and most common method of licensing on SBC. All sessions and features are locked to a specific SBC node which is identified through its hardware serial number or Virtual Machine Universal Unique Identifier (UUID).  
  • Network-Wide Licensing  - Ribbon provides a network-wide licensing (NWL) option for customers who do not want licensing capacity to be defined on each node level. Instead, they purchase a total number of sessions and a feature set intended to meet the requirements of their entire network. Note, NWL uses the same underlying node-locked licenses, but additional ‘burst’ licenses are installed to allow flexibility in capacity.
  • Network-Wide Domain Licensing – Network-wide domain licensing (NWDL) licensing is offered to SBC SWe cloud deployments where SBC instances may be brought up and down dynamically based on traffic. In this model, a domain license is bound to the domain through public/private key-pairing and it defines the features and capacity allowed for all nodes within the domain. When a new SBC node is brought up, it can leverage licenses from the domain pool.

NWL and NWDL licensing require customers to agree to share license usage data with

Spacevars
0company
. Consult with your
Spacevars
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 sales representative for more information on NWL and to determine the best licensing options for your deployment.

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7.0 Licensing Common Note
7.0 Licensing Common Note
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A license is an authorization given to the end-user to use the application legally and specifies the terms of use. License enforcement is implemented on SBC to ensure that licensed functionality is restricted to the amount of sessions or licensed features purchased.

A count based license can be dynamically floated and shared among the SBC in a network licensing mode. It also allows the enforcement of the number of sessions purchased in local and network licensing modes. 

The SBC supports three license modes:

  1. Legacy Mode: The Licenses are encoded to a unique SBC instance based on system information to a particular SBC and this is an xml-based SBC license model.

    Info

    Legacy licensing mode is the default license mode on the SBC.  Legacy licensing is currently the only option available for users deploying hardware SBCs. Local and Network license modes are currently limited to specific SBC deployments. For more information, contact the Sonus Technical Assistance Center (TAC).

  2. Local Mode: The licenses are fixed to the SBC and cannot be shared by other devices in the network. Licenses are installed on SBC through EMA or a new CLI interface by applying an xml-based license bundle. The xml-based license adopts the new license format, which includes additional data such as purchase order information.

  3. Network Mode: The licenses are assigned dynamically by an SLS server based on demand as traffic increases. When the traffic decreases, the licenses are returned to the server. These licenses can float between SBCs based on the demand. Licenses are pooled centrally in the SLS server which is co-located with the EMS.

For more information on supported licenses, refer to SBC Core Licenses.

License Types

The SBC supports two types of license, instance and counted.

  1. Instance licenses enable a feature system wide.
  2. Counted licenses limit a customer to the number of licenses purchased for a particular service.
    1. In a legacy or local license mode, x is the license units purchased by the user and is part of the xml bundle that is applied directly at the SBC. When the license limit is zero, it indicates that no license is purchased.
    2. In a network license mode, x is limited by the number of units available at the Site License Server (SLS), the maximum count configured with the license in the required license table or any basic platform restriction. For example, Call Admission Control (CAC) or media profile configuration.

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