{"id":3207,"date":"2019-09-02T11:13:24","date_gmt":"2019-09-02T11:13:24","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=3207"},"modified":"2020-05-02T05:20:20","modified_gmt":"2020-05-02T05:20:20","slug":"multi-region-design-2","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-solutions-architect-professional-sap-c01\/multi-region-design-2\/","title":{"rendered":"Multi-Region Design"},"content":{"rendered":"\n<p>Multi-region enables<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Improve latency for end-users<\/li><li>Disaster recovery<\/li><li>Business requirements<\/li><\/ul>\n\n\n\n<p>Requirements for Multi-region Design<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Data replication between regions be fast and reliable &#8211; Use DynamoDB Global Tables<\/li><li>global network infrastructure to connect different regions \u2013 Use AWS<\/li><li>Services be stateless, and state be shared between regions &#8211; Needs in-memory object caching as Memcached or Redis<\/li><li>Synchronous cross-regional calls be avoided. Applications should use regional resources &#8211; Use AWS cross-region replication for S3<\/li><li>DNS routing for different scenarios \u2013 Use Route 53.<\/li><\/ul>\n\n\n\n<p>Cross-Region Replication (CRR)<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>It is a bucket-level configuration<\/li><li>enables automatic, asynchronous copying of objects across buckets in different AWS Regions.<\/li><li>CRR Buckets can be owned by same or different AWS accounts.<\/li><li>CRR is enabled with a bucket-level configuration.<\/li><li>Add replication configuration to source bucket.<\/li><li>Following are needed for a minimum configuration\n<ul>\n<li>The destination bucket, where you want Amazon S3 to replicate objects<\/li>\n<\/ul>\n<ul>\n<li>An AWS IAM role that Amazon S3 can assume to replicate objects on behalf<\/li>\n<\/ul>\n<\/li><\/ul>\n\n\n\n<p><strong>CRR Requirements <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Source bucket owner must have source and destination AWS Regions enabled for their account.<\/li><li>destination bucket owner must have destination Region enabled for their account.<\/li><li>Both source and destination buckets must have versioning enabled.<\/li><li>The source and destination buckets must be in different AWS Regions.<\/li><li>S3 has permissions to replicate objects from source bucket to destination bucket.<\/li><\/ul>\n\n\n\n<p><strong>S3 Cross-Region Replication <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>All S3 cross-region replication configurations are bucket level<\/li><li>Only one configuration for each bucket can be defined<\/li><li>Versioning is mandatory in order to enable cross-region replication<\/li><li>The object replicas in the destination bucket are exact replicas of the objects in the source bucket<\/li><li>Same key names and the same metadata: creation time, owner, user-defined metadata, version ID, ACL(Access Control List), and storage class<\/li><li>Can specify a different storage class for target bucket explicitly<\/li><li>S3 encrypts all data in transit across AWS regions using SSL<\/li><li>Existing files before replication activation will not be handled by AWS by default<\/li><li>Data boot is needed to replicate the existing objects within buckets<\/li><li>Only customer actions are replicated, and the actions performed by lifecycle configuration are not replicated<\/li><li>S3 provides recursion protection by using versioning<\/li><li>Using replication specific S3 actions (PutObjectReplication)<\/li><li>Replication process is asynchronous<\/li><li>It takes some time to replicate objects to the destination bucket<\/li><li>Delete protection for faulty operations<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"281\" height=\"327\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/09\/image-54.png\" alt=\"\" class=\"wp-image-3418\"\/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Multi-region enables Improve latency for end-users Disaster recovery Business requirements Requirements for Multi-region Design Data replication between regions be fast and reliable &#8211; Use DynamoDB Global Tables global network infrastructure to connect different regions \u2013 Use AWS Services be stateless, and state be shared between regions &#8211; Needs in-memory object caching as Memcached or Redis&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2471,"menu_order":35,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[7,495],"class_list":["post-3207","page","type-page","status-publish","hentry","category-amazon-aws","tag-aws","tag-multi-region-design"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Multi-Region Design - AWS Tutorials | Testprep Training<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-solutions-architect-professional-sap-c01\/multi-region-design-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Multi-Region Design - AWS Tutorials | Testprep Training\" \/>\n<meta property=\"og:description\" content=\"Multi-region enables Improve latency for end-users Disaster recovery Business requirements Requirements for Multi-region Design Data replication between regions be fast and reliable &#8211; 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