ping service - Computer Definition
(1) An Internet service that pings computers on a regular basis to determine if they are still running. For example, a ping service would be used with a server farm to determine if any of the servers have failed. See ping.
(2) A service on the Internet that receives notifications (pings) from blogs that a new post is online. All subscribers signed up for that blog are notified of the update. Ping servers on the Internet, such as VeriSign's Weblogs.com (www.weblogs.com), provide the service at no charge.