{"id":355,"date":"2019-02-07T10:44:12","date_gmt":"2019-02-07T10:44:12","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=355"},"modified":"2020-05-01T12:30:55","modified_gmt":"2020-05-01T12:30:55","slug":"amazon-simple-notification-service-amazon-sns","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-solutions-architect-associate-table-of-content\/amazon-simple-notification-service-amazon-sns\/","title":{"rendered":"Introduction to Amazon Simple Notification Service (Amazon SNS)"},"content":{"rendered":"\n<ul class=\"wp-block-list\"><li>a web service for mobile and enterprise messaging to set up, operate, and send notifications.<\/li><li>SNS follows the publish-subscribe (pub-sub) messaging paradigm<\/li><li>notifications delivered to clients using a push mechanism<\/li><li>no need to check periodically (or poll) for new information and updates.<\/li><li>A Pub\/Sub messaging and mobile notifications for\n<ul>\n<li>Microservices<\/li>\n<\/ul>\n<ul>\n<li>distributed systems<\/li>\n<\/ul>\n<ul>\n<li>&nbsp;serverless applications<\/li>\n<\/ul>\n<\/li><li>It makes it simple and cost effective to send push notifications to iOS and Android based devices.<\/li><li>It supports\n<ul>\n<li>HTTP\/HTTPS<\/li>\n<\/ul>\n<ul>\n<li>Email\/Email-JSON<\/li>\n<\/ul>\n<ul>\n<li>SMS<\/li>\n<\/ul>\n<ul>\n<li>Amazon Simple Queue Service (SQS) queues,<\/li>\n<\/ul>\n<ul>\n<li>AWS Lambda functions.<\/li>\n<\/ul>\n<\/li><li>two clients types\u2013 Publishers and Subscribers (or producers and consumers).<\/li><li>Publishers communicate to subscribers asynchronously by sending a message to a topic.<\/li><li>topic is logical access communication channel having list of subscribers and methods to communicate to them.<\/li><li>If a message is sent to a topic, it is automatically forwarded to each subscriber of that topic.<\/li><li>Methods to deliver can be SQS, HTTP, HTTPS, email, SMS, and AWS Lambda<\/li><li>Below process at a high level is shown<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"497\" height=\"300\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image-262.png\" alt=\"\" class=\"wp-image-2785\"\/><\/figure>\n\n\n\n<p><strong>Common Scenarios for Amazon SNS<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>SNS supports various&nbsp; needs like\n<ul>\n<li>monitoring applications<\/li>\n<\/ul>\n<ul>\n<li>workflow systems<\/li>\n<\/ul>\n<ul>\n<li>time-sensitive information updates<\/li>\n<\/ul>\n<ul>\n<li>mobile applications<\/li>\n<\/ul>\n<ul>\n<li>any other application which generates or consumes notifications<\/li>\n<\/ul>\n<\/li><\/ul>\n\n\n\n<p><strong>Fanout Scenario <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>SNS message is sent to a topic and then replicated and pushed to SQS queues, HTTP endpoints, or email addresses.<\/li><li>Supports parallel synchronous processing<\/li><li>Then SQS queues subscribed to that topic will receive identical notifications for the new order.<\/li><li>An EC2 instance attached to a queue handle processing or fulfillment of the order,<\/li><li>EC2 instance attached to a parallel queue sends order data to a data warehouse application\/service for analysis.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"471\" height=\"269\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image-263.png\" alt=\"\" class=\"wp-image-2786\"\/><\/figure>\n\n\n\n<p>Application and System Alerts Scenario<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>refer to SMS or email notifications triggered by predefined thresholds<\/li><li>Like notification when specific change to Auto Scaling group in AWS.<\/li><\/ul>\n\n\n\n<p>Push Email and Text Messaging Scenario<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Push email and text messaging transmit messages to individuals or groups through email and\/or SMS.<\/li><li>Example &#8211; push targeted news headlines to subscribers by email or SMS.<\/li><\/ul>\n\n\n\n<p>Mobile Push Notifications Scenario<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>send messages directly to mobile applications.<\/li><li>Example notifications if an update is available.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>a web service for mobile and enterprise messaging to set up, operate, and send notifications. SNS follows the publish-subscribe (pub-sub) messaging paradigm notifications delivered to clients using a push mechanism no need to check periodically (or poll) for new information and updates. A Pub\/Sub messaging and mobile notifications for Microservices distributed systems &nbsp;serverless applications It&#8230;<\/p>\n","protected":false},"author":1,"featured_media":358,"parent":53,"menu_order":26,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[39,40,10,13,14,5],"class_list":["post-355","page","type-page","status-publish","has-post-thumbnail","hentry","tag-amazon-simple-notification-service","tag-amazon-sns","tag-amazon-web-services","tag-aws-certified-solutions-architect-professional","tag-aws-exam-dumps","tag-aws-solutions-architect"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Amazon Simple Notification Service (SNS) - Testprep Training Tutorials<\/title>\n<meta name=\"description\" content=\"Learn more about Amazon Simple Notification Service (Amazon SNS) and become certified with 100% pass guarantee. 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