{"id":1701,"date":"2019-08-06T11:19:41","date_gmt":"2019-08-06T11:19:41","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=1701"},"modified":"2020-05-02T06:25:45","modified_gmt":"2020-05-02T06:25:45","slug":"route-53","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/route-53\/","title":{"rendered":"Learning Route 53"},"content":{"rendered":"\n<ul class=\"wp-block-list\"><li>\n<h2><strong>Learning Route 53<\/strong><\/h2>\n<\/li><li>We begin by learning about Route 53. It is an\n<ul>\n<li>Authoritative<\/li>\n<\/ul>\n<ul>\n<li>highly available<\/li>\n<\/ul>\n<ul>\n<li>scalable<\/li>\n<\/ul>\n<ul>\n<li>cloud DNS service by AWS<\/li>\n<\/ul>\n<\/li><li>Limit of 50 domain names on Route 53<\/li><li>compatible with IPv6<\/li><li>Allows management of mappings between domain names and IP addresses (records)<\/li><li>replies to \u201cqueries\u201d for translating domain names to IP address<\/li><li>routing on port 53<\/li><li>can register and manage new domains<\/li><li>It monitors the health of applications using configuration<\/li><li>If health checks fail, it disables the endpoint for time as per TTL<\/li><li>Use ELB for load balancing<\/li><li>Traffic Flow application\n<ul>\n<li>is a visual editor<\/li>\n<\/ul>\n<ul>\n<li>Can create complex routing policies spanning multiple regions and environments.<\/li>\n<\/ul>\n<\/li><li>ELBs operate on domain names only, and not on fixed IPv4 or IPv6 addresses.<\/li><li>Not possible to use an A Record to resolve to an ELB, use an Alias record<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Routing Policies<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Simple<\/strong>\n<ul>\n<li>Default routing policy when you create a new record set<\/li>\n<\/ul>\n<ul>\n<li>Most commonly used when you have a single resource that performs a given function for your domain<\/li>\n<\/ul>\n<ul>\n<li>Example would be a single web server that serves content for a single domain name<\/li>\n<\/ul>\n<\/li><li><strong>Weighted<\/strong>\n<ul>\n<li>Use to route traffic to multiple resources in proportions that you specify<\/li>\n<\/ul>\n<ul>\n<li>Split traffic based on different weights assigned within the record set<\/li>\n<\/ul>\n<ul>\n<li>Example would be sending 10% of user traffic to US-East-1 and the other 90% to US-East-2<\/li>\n<\/ul>\n<\/li><li><strong>Latency<\/strong>\n<ul>\n<li>Use when you have resources in multiple locations and you want to route traffic to the resource that provides the least latency<\/li>\n<\/ul>\n<ul>\n<li>Route traffic based on lowest network latency for your end users, such as sending requests to the region that will give the user the fasted response time<\/li>\n<\/ul>\n<ul>\n<li>Create a resource record set for EC2 or ELB resources in each region that hosts your content. When Route53 receives a request for your content, it selects the latency resource record for the region that gives the user the lowest latency<\/li>\n<\/ul>\n<\/li><li><strong>Failover<\/strong>\n<ul>\n<li>Use when you want to configure active-passive failover<\/li>\n<\/ul>\n<ul>\n<li>Example would be when you want your primary site to be in US-East-1, and a DR site in US-West-1<\/li>\n<\/ul>\n<ul>\n<li>Route53 will monitor the health of our primary site using a health check<\/li>\n<\/ul>\n<ul>\n<li>Health checks are not automatic and must be configured by the user<\/li>\n<\/ul>\n<\/li><li><strong>GeoLocation<\/strong>\n<ul>\n<li>Use when you want to route traffic based on the location of your users<\/li>\n<\/ul>\n<ul>\n<li>Example would be ensuring that EU customers get routed to servers residing in the EU, and ensuring US customers get routed to servers residing in the US<\/li>\n<\/ul>\n<\/li><li><strong>Geoproximity<\/strong>\n<ul>\n<li>&nbsp;Use to route traffic based on location of resources<\/li>\n<\/ul>\n<ul>\n<li>shift traffic from resources in one location to resources in another.<\/li>\n<\/ul>\n<\/li><li><strong>Multivalue answer <\/strong>\n<ul>\n<li>If Route 53 should respond to DNS queries with up to eight healthy records selected at random.<\/li>\n<\/ul>\n<\/li><li>&nbsp;<\/li><li><strong>Boost your chances to qualify <a href=\"https:\/\/www.testpreptraining.ai\/aws-certified-sysops-administrator-associate-practice-exam\">AWS SysOps Administrator<\/a> with hundreds of practice exams Now!<\/strong><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Learning Route 53 We begin by learning about Route 53. It is an Authoritative highly available scalable cloud DNS service by AWS Limit of 50 domain names on Route 53 compatible with IPv6 Allows management of mappings between domain names and IP addresses (records) replies to \u201cqueries\u201d for translating domain names to IP address routing&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":383,"menu_order":26,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[7,237],"class_list":["post-1701","page","type-page","status-publish","hentry","category-amazon-aws","tag-aws","tag-route-53"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Learning Route 53 - AWS Testprep Training Tutorials<\/title>\n<meta name=\"description\" content=\"Boost your chances to qualify AWS SysOps Administrator with hundreds of practice exams. 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