Load Balancing in BAD Project

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Presentation transcript:

Load Balancing in BAD Project Hang Thi Thu Nguyen, Peeyush Gupta

Motivation And Goals Skewed load on brokers in BAD Clients need to know about brokers beforehand Broker can fail in case a lot of a large number of subscriptions or notifications to process Some brokers always underloaded

Related Work Cluster Based Approach For Load Balancing Static and Dynamic Load Balancing Based on Ring Overlay Network Load Balancing in Meghdoot DHT based Pub/Sub System Dynamic Load Balancing in PADRES Distributed Content-Based Pub/Sub System

Broker Discover Service(Load Balancer)

Static Load Balancing Brokers register to the centralized Discovery service and periodically Send load information Discovery service tells clients, which Broker to connect to.

Dynamic Load Balancing Discovery server detects overloaded Broker Broker offloads clients of its choice To another broker Client reconnects to new broker.

Testing And Evaluations Test Setup 4 Brokers 10 Clients 100 Subscriptions 1000 Publications Clients able to connect to brokers based on least load Overloaded broker detection possible Client offloading possible