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HAProxy is a free and open source software that provides a high availability load balancer and Proxy (forward proxy, [2] reverse proxy) for TCP and HTTP-based applications that spreads requests across multiple servers. [3] It is written in C [4] and has a reputation for being fast and efficient (in terms of processor and memory usage). [5]
SimpleDB Logo. Amazon SimpleDB is a distributed database written in Erlang [1] by Amazon.com.It is used as a web service in concert with Amazon Elastic Compute Cloud (EC2) and Amazon S3 and is part of Amazon Web Services.
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Amazon introduces Elastic Load Balancing (ELB) (which makes it easy for users to distribute web traffic across Amazon EC2 instances), Auto Scaling (which allows users to scale policies driven by metrics collected by Amazon CloudWatch), and Amazon CloudWatch (for tracking per-instance performance metrics including CPU load). [31] 2009: May 21
Network load balancing is the ability to balance traffic across two or more WAN links without using complex routing protocols like BGP.. This capability balances network sessions like Web, email, etc. over multiple connections in order to spread out the amount of bandwidth used by each LAN user, thus increasing the total amount of bandwidth available.
plans for an AWS management console, and; plans for load balancing, autoscaling, and cloud monitoring services. [10] These features were subsequently added on May 18, 2009. [11] Amazon EC2 was developed mostly by a team in Cape Town, South Africa led by Chris Pinkham.
Cloud load balancing is the process of distributing workloads across multiple computing resources. Cloud load balancing reduces costs associated with document management systems and maximizes availability of resources. It is a type of load balancing and not to be confused with Domain Name System (DNS) load balancing.
In Managed Mode, Eucalyptus manages a local network of instances, including security groups and IP addresses. In System Mode, Eucalyptus assigns a MAC address and attaches the instance's network interface to the physical network through the Node Controller's bridge. System Mode does not offer elastic IP addresses, security groups, or VM isolation.