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A pub/sub system designed in this way cannot guarantee delivery of messages to any applications that might require such assured delivery. Tighter coupling of the designs of such a publisher and subscriber pair must be enforced outside of the pub/sub architecture to accomplish such assured delivery (e.g. by requiring the subscriber to publish ...
WebSub (formerly PubSubHubbub) is an open protocol for distributed publish–subscribe communication on the Internet. [1] Initially designed to extend the Atom (and RSS) protocols for data feeds, the protocol can be applied to any data type (e.g. HTML, text, pictures, audio, video) as long as it is accessible via HTTP.
The version 2 of the specification is divided into two parts: the basic profile, including the router RPC and Pub/Sub, and the advanced profile, featuring trust levels, URI pattern matching, and client listing. The basic profile is considered stable and is what current libraries are implementing while the advanced profile is still in evolution.
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Mobile Push Notifications bridges native Pub/Sub Messaging API publishing with third-party push notification services including Google Android GCM, Apple iOS APNS, and Microsoft Windows Phone MSNP. The developing, configuring, and maintaining of server side components for third-party providers is provided by the PubNub API.
PubSub.com was a prospective search engine for searching blogs, press releases, Usenet, USGS earthquake alerts, SEC filings and FAA Flight Delay information.. The site, founded in 2002 by Bob Wyman and Salim Ismail, operated by storing a user's search term, making it a subscription, and checking it against posts on blogs which ping the search engine.
Known to many as simply the "Pub-sub," the sandwich's most defining characteristic is perhaps the use of fresh-baked submarine rolls. Stacked with a variety of meats, cheeses, condiments and ...