Proctor Swain posted an update 2 months ago
Product activation is trusted by software vendors to shield their applications and enforce license agreements. Even though some users mind any kind of license management, modern product activation systems pc other techniques from the vendor’s as well as the end-user’s perspectives.
Software vendors use license management for numerous reasons. They are generally interested in protection from piracy, and protection against users exceeding their agreed license terms (like the variety of installations running inside a customer company). License management also permits the software vendor to produce, distribute, and support one sort of their application, but offer different license terms at different prices to various markets.
As an example, owner can use the licensing mechanism to provide trial licenses, perpetual licenses, subscription licenses, set limits about the product features or modules enabled, set usage limits, combination’s of all of the above, and provide straightforward upgrades in capabilities, by using just one executable (some license management systems even enable the vendor also to offer floating licensing either within the end-customer’s network or even the Web based on this same executable). Finally, license management can encourage the vendor to automate fulfillment, management and reporting, so reducing operations costs and offering immediate delivery worldwide 24×7 with their customers.
A vital concern for software vendors is ensuring users don’t merely give the software to unlicensed colleagues and friends, as well as post it on the net for anybody to download. The common solution is called node-locking, where each user’s installation is locked to one or higher parameters of these system, such as the MAC address. Each time the approval runs, it reads, say, the MAC address with the computer where it’s running, and may proceed only if the address it reads matches normally the one recorded for your license.
Older methods for license enforcement include dongle-based licensing and key-file-based licensing. A dongle is often a hardware device that plugs into anyone’s computer; once the application runs it checks for the presence of the dongle and will run only if it finds it. Dongles do therefore permit the user to move their license around, however only by physically relocating the dongle. With key-file-based licensing, the license limits and node-locking parameters are encrypted in the file, which can be delivered to an individual and focus through the application every time it runs.
These approaches have some of disadvantages. Dongles require the distribution in the hardware, wonderful that entails in material cost, shipping cost, delivery times and management from the vendor. They are widely disliked by end-users, who don’t wish to wait for these to arrive, keep an eye on them, have them get noticed of their computer and the like.
Key-based licensing improves on dongles as the encrypted key files can be delivered immediately by email, and impose no hardware burden. However, they do require user to supply the names from the locking parameters (or chance a utility to read them), and never allow users to readily move their license from machine to machine, as such relocating would require a new key file. Upgrading with a user’s license, including extending to join, also requires the generation and delivery of an key file.
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