AWS Elastic Load Balancing (ELB) vs PhantomJS

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AWS Elastic Load Balancing (ELB)
AWS Elastic Load Balancing (ELB)

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PhantomJS
PhantomJS

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+ 1
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AWS Elastic Load Balancing (ELB) vs PhantomJS: What are the differences?

What is AWS Elastic Load Balancing (ELB)? Automatically distribute your incoming application traffic across multiple Amazon EC2 instances. With Elastic Load Balancing, you can add and remove EC2 instances as your needs change without disrupting the overall flow of information. If one EC2 instance fails, Elastic Load Balancing automatically reroutes the traffic to the remaining running EC2 instances. If the failed EC2 instance is restored, Elastic Load Balancing restores the traffic to that instance. Elastic Load Balancing offers clients a single point of contact, and it can also serve as the first line of defense against attacks on your network. You can offload the work of encryption and decryption to Elastic Load Balancing, so your servers can focus on their main task.

What is PhantomJS? Scriptable Headless WebKit. PhantomJS (www.phantomjs.org) is a headless WebKit scriptable with JavaScript. It is used by hundreds of developers and dozens of organizations for web-related development workflow.

AWS Elastic Load Balancing (ELB) belongs to "Load Balancer / Reverse Proxy" category of the tech stack, while PhantomJS can be primarily classified under "Headless Browsers".

Some of the features offered by AWS Elastic Load Balancing (ELB) are:

  • Distribution of requests to Amazon EC2 instances (servers) in multiple Availability Zones so that the risk of overloading one single instance is minimized. And if an entire Availability Zone goes offline, Elastic Load Balancing routes traffic to instances in other Availability Zones.
  • Continuous monitoring of the health of Amazon EC2 instances registered with the load balancer so that requests are sent only to the healthy instances. If an instance becomes unhealthy, Elastic Load Balancing stops sending traffic to that instance and spreads the load across the remaining healthy instances.
  • Support for end-to-end traffic encryption on those networks that use secure (HTTPS/SSL) connections.

On the other hand, PhantomJS provides the following key features:

  • Multiplatform, available on major operating systems: Windows, Mac OS X, Linux, and other Unices.
  • Fast and native implementation of web standards: DOM, CSS, JavaScript, Canvas, and SVG. No emulation!
  • Pure headless (no X11) on Linux, ideal for continuous integration systems. Also runs on Amazon EC2, Heroku, and Iron.io.

"Easy" is the top reason why over 46 developers like AWS Elastic Load Balancing (ELB), while over 12 developers mention "Scriptable web browser" as the leading cause for choosing PhantomJS.

PhantomJS is an open source tool with 26.9K GitHub stars and 5.7K GitHub forks. Here's a link to PhantomJS's open source repository on GitHub.

Coursera, 9GAG, and Quora are some of the popular companies that use AWS Elastic Load Balancing (ELB), whereas PhantomJS is used by Key Location, Tailor Brands, and NationBuilder. AWS Elastic Load Balancing (ELB) has a broader approval, being mentioned in 723 company stacks & 314 developers stacks; compared to PhantomJS, which is listed in 77 company stacks and 47 developer stacks.

- No public GitHub repository available -

What is AWS Elastic Load Balancing (ELB)?

With Elastic Load Balancing, you can add and remove EC2 instances as your needs change without disrupting the overall flow of information. If one EC2 instance fails, Elastic Load Balancing automatically reroutes the traffic to the remaining running EC2 instances. If the failed EC2 instance is restored, Elastic Load Balancing restores the traffic to that instance. Elastic Load Balancing offers clients a single point of contact, and it can also serve as the first line of defense against attacks on your network. You can offload the work of encryption and decryption to Elastic Load Balancing, so your servers can focus on their main task.

What is PhantomJS?

PhantomJS (www.phantomjs.org) is a headless WebKit scriptable with JavaScript. It is used by hundreds of developers and dozens of organizations for web-related development workflow.
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      What are some alternatives to AWS Elastic Load Balancing (ELB) and PhantomJS?
      HAProxy
      HAProxy (High Availability Proxy) is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
      Traefik
      A modern HTTP reverse proxy and load balancer that makes deploying microservices easy. Traefik integrates with your existing infrastructure components and configures itself automatically and dynamically.
      Envoy
      Originally built at Lyft, Envoy is a high performance C++ distributed proxy designed for single services and applications, as well as a communication bus and “universal data plane” designed for large microservice “service mesh” architectures.
      DigitalOcean Load Balancer
      Load Balancers are a highly available, fully-managed service that work right out of the box and can be deployed as fast as a Droplet. Load Balancers distribute incoming traffic across your infrastructure to increase your application's availability.
      GLBC
      It is a GCE L7 load balancer controller that manages external loadbalancers configured through the Kubernetes Ingress API.
      See all alternatives
      Decisions about AWS Elastic Load Balancing (ELB) and PhantomJS
      Tim Abbott
      Tim Abbott
      Founder at Zulip · | 3 upvotes · 166K views
      atZulipZulip
      CasperJS
      CasperJS
      PhantomJS
      PhantomJS
      Node.js
      Node.js

      We use CasperJS because we adopted it back in 2013 for JavaScript frontend testing. It was a really nice system back then compared to what else was out there; you had PhantomJS as a programmable browser that actually rendered CSS and everything, it was really fast (speed is a big downside of e.g. Selenium), and it was possible to make non-flaky frontend integration tests with it.

      I wouldn't recommend it today, because PhantomJS is a basically dead project, and as a result, so is CasperJS. I expect we'll migrate to something else. We haven't in large part because 95% of our new tests are written with a simple Node.js-based unit testing framework we use that run 35K lines of unit tests covering most of our JS codebase in 3.6 seconds. And for the things where we want an integration test, CasperJS does work, and I think there's a good chance that waiting another year or two will result in our being able to switch to a much better option than what we'd get if we migrated now.

      See more
      Interest over time
      Reviews of AWS Elastic Load Balancing (ELB) and PhantomJS
      No reviews found
      How developers use AWS Elastic Load Balancing (ELB) and PhantomJS
      Avatar of Volkan Özçelik
      Volkan Özçelik uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)

      I use an Application Load Balancer to balance the load to the EC2 clusters of nightly.zerotoherojs.com and dojo.zerotoherojs.com.

      Addditionally, ELB protects my cluster against DDOS attacks: So it is multi-birds with one stone.

      Avatar of fadingdust
      fadingdust uses PhantomJSPhantomJS

      We run PhantomJS as part of the CircleCI testing, comparing against other branches to ensure changes are limited to their intended scope.

      Avatar of Hevelop
      Hevelop uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)

      We're progressively migrating from classic ELB to newer ALB for ssl offloading and NLB for internal load balancing.

      Avatar of Promethean TV
      Promethean TV uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)

      AWS ELB is used to load balance various web and application services across multiple EC2 instances.

      Avatar of Bùi Thanh
      Bùi Thanh uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)
      • Application type
      • SSL free
      • forwarding by rules.
      • multiple target groups with only one ALB
      Avatar of Werarewe
      Werarewe uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)

      For balancing the presentation tier, and for SSL offloading (which is great for performance.)

      Avatar of Nough You
      Nough You uses PhantomJSPhantomJS

      Headless browsing, headless chrome is good too, this is not supported anymore.

      Avatar of ByeongGi
      ByeongGi uses PhantomJSPhantomJS
      • 웹 크롤링(스프랩핑) 공부를 위해서 가상 브라우져에서 제이쿼리를 로딩하여 페이스북에서 무한 스크롤시에 발생 하는 데이터를 수집힘
      Avatar of Veggie Sailor
      Veggie Sailor uses PhantomJSPhantomJS

      Functional tests / screenshots generation.

      Avatar of Alexpts Pts
      Alexpts Pts uses PhantomJSPhantomJS
      How much does AWS Elastic Load Balancing (ELB) cost?
      How much does PhantomJS cost?
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