Network Load Balancing Using Distributed Algorithm
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 5
Abstract
Network Load Balancing (NLB) is a clustering technology offered by Microsoft as part of all Windows 2000 Server and Windows Server 2003 family operating systems. NLB uses a distributed algorithm to load balance network traffic across a number of hosts, helping to enhance the scalability and availability of mission critical, IP-based services, such as Web, Virtual Private Networking, streaming media, terminal services, proxy and so on. It also provides high availability by detecting host failures and automatically redistributing traffic to operational hosts.The performance impact of Network Load Balancing can be measured in four key areas: CPU overhead on the cluster hosts, which is the CPU percentage required to analyse and filter network packets (lower is better).Response time to clients, which increases with the non-overlapped portion of CPU overhead, calledlatency (lower is better). Throughput to clients, which increases with additional client traffic that the cluster can handle prior to saturating the cluster hosts (higher is better).Switch occupancy, which increases with additional client traffic (lower is better) and must not adversely affect port bandwidth.
Authors and Affiliations
Prof. S. G. Anantwar, Miss. Ujjwala Kharkar
Keywords
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