An architecture and methodology for designing, deploying, and managing a distributed application onto a distributed computing system is described.

Architecture for distributed computing system and automated design, deployment, and management of distributed applications

In a first exemplary media implementation, one or more processor-accessible media include processor-executable instructions that, when executed, direct a system to perform actions that include: accumulating host status information at multiple hosts; and sending the accumulated host status information from the multiple hosts In a second exemplary media implementation, one or more processor-accessible media include processor-executable instructions that, when executed, direct a system to perform actions that include: receiving host status information from multiple hosts; and making load balancing decisions responsive to the received host status information In a third exemplary media implementation, one or more processor-accessible media include processor-executable instructions that, when executed, direct a system to perform actions that include: determining health and load information on a per application basis; and selecting an application from among multiple applications responsive to the health and load information

Network load balancing with host status information

In an exemplary method implementation, a method includes: receiving a packet requesting a new connection at a forwarding component; sending the packet from the forwarding component to a classifying component; selecting, by the classifying component, a route for the new connection; and plumbing, by the classifying component, the route for the new connection by causing a new entry to be added in a local routing table of the forwarding component. In an exemplary media implementation, one or more processor-accessible media include processor-executable instructions that, when executed, enable a system to perform actions including: receiving a first packet for a connection at first forwarding functionality; plumbing a route for the connection at the first forwarding functionality; receiving a second packet for the connection at second forwarding functionality; and plumbing the route for the connection at the second forwarding functionality using a distributed session tracking table.

Network load balancing with traffic routing

In a first exemplary implementation, one or more processor-accessible media include processor-executable instructions that, when executed, direct a system to perform actions including: receiving host status information from multiple hosts; and making load balancing decisions responsive to the received host status information. In a second exemplary implementation, a system includes: session tracking infrastructure that is adapted to acquire session information; and load balancing infrastructure that is adapted to utilize the session information when routing connection requests to multiple hosts. In a third exemplary implementation, one or more processor-accessible media include processor-executable instructions that, when executed, direct a system to perform actions including: acquiring session information for multiple session contexts from one or more applications that established the multiple session contexts; and routing network traffic to the one or more applications responsive to the acquired session information.

Network load balancing with session information

In an exemplary media implementation, one or more processor-accessible media include processor-executable instructions that, when executed, enable a system to facilitate actions including: operating network load balancing infrastructure in a first configuration; scaling out the network load balancing infrastructure; and operating the scaled-out network load balancing infrastructure in a second configuration. In another exemplary media implementation, one or more processor-accessible media include processor-executable instructions that, when executed, enable a system to be configured such that different percentages of system resources may be allocated to different network-load-balancing functions. In yet another exemplary media implementation, one or more processor-accessible media include processor-executable instructions for network load balancing that, when executed, enable a system to gradually increase a percentage of total computing resources that is devoted to the network load balancing. Other implementations are described herein.

Flexible network load balancing

An enterprise planning system includes a plurality of application servers, and an administration console to generate a deployment map that associates each of a set of enterprise planning models with a respective set of the application servers. The administration console, either automatically or in response to input from a system administrator, may finely control the allocation of computing resources to enterprise planning. The administrator console may adjust the deployment map based on approaching deadlines for the enterprise planning activities. When administrating a task associated with an enterprise planning activity, the administration console may break the task into a number of jobs, each job associated with a different slice of the model in accordance with the organizational hierarchy defined by the model. Consequently, allocation of computing resources to enterprise planning may be finely controlled, and may be adjusted to meet the current needs within the organizational hierarchy.

David S Bowen

Papers

Deploying multiple enterprise planning models across clusters of applications servers