Networking and Communication Engineering

G. Maria Priscilla ¹, Antony Selvadoss Thanamani ²

Affiliations
1 Dept of Comp. Sci, SNR Sons College, Coimbatore, IN
2 NGM College, Pollachi, IN

Abstract

Internet the growing technology with the emergence of new applications and diverse quality of service requirements has become increasingly important. Congestion the major problem in internet requires some management in responsive and unresponsive flows. Active Queue Management (AQM) schemes are a class of queue management algorithms which are designed to overcome the drawbacks in the classical drop-tail queues and for congestion avoidance and congestion prevention. These AQM schemes are classified based on the decisions taken while dropping the packets. The types of marking or dropping the packets to improve the throughput , performance , fairness in bursty traffics and the packet loss ratio are involved. The reactive congestion control active queue management schemes are discussed in this paper.

Keywords

Congestion Control, AQM, RED, Queue Management.

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K. Sashi ¹, Antony Selvadoss Thanamani ²

Affiliations
1 Dept. of Comp Science, S.N.R Sons College, Coimbatore, IN
2 NGM College, Pollachi, IS

Abstract

Data Grid deals with data intensive applications in scientific and enterprise computing. These applications handle large data sets that need to be transferred and replicated among different grid sites. Data replication is an important technique for data availability and data access. Data should be replicated in an automatic way to make the system more reliable, accessible and less sensitive to subsystem failures. Replication allows faster access to files and increases the job execution performance. This paper provides a survey on various replication algorithms, some of its merits and demerits.

Keywords

Grid Computing, Data Application, Data Grid, Data Replication.

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