Abstract

Dynamic Server Selection by Using a Client Side Composite DNS-Metric

Highlights

  • Due to the increasing importance of the high availability of network services that servers provide to its clients and increased server load, it is common to establish a highly available network service by using two or more servers, located on the same or different locations, and connected to the internet with a single or multiple communication link [1, 2]

  • This paper proposes a new method for the optimal server selection of a multiple available network service that is not specific to one type of network service, which takes into account the current server load and the client's topological network distance instead of the geographic distance between the server and the client

  • The Dynamic Server Selection (DSS) method solves the problem of delivery and combining parameters for dynamic server selection process on a client side by combining two dynamic parameters, one from the server side and one from the client side in the form of a composite DNS-metric controlled by the service/server administrator

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Summary

INTRODUCTION

Due to the increasing importance of the high availability of network services that servers provide to its clients and increased server load, it is common to establish a highly available network service by using two or more servers, located on the same or different locations, and connected to the internet with a single or multiple communication link [1, 2]. Thereby placing servers on different physical locations and/or different access communication links, allows the optimization of the network traffic between the client and the servers in a manner of selecting the optimal server for each client [5, 6]. The goal of developing a method for a client side dynamic server selection of a multiple available network service by using a composite DNS-metric in the existing DNS [7] is to provide:. In this paper DSS (Dynamic Server Selection), a new client side method for dynamic server selection of a multiple available network service is proposed. The third chapter describes DSS, a new client side method for dynamic server selection of a multiple available network service.

RELATED WORK
Authoritative DNS Server
Non-Authoritative DNS Server
Calculating the Composite DNS-Metric
IMPLEMENTATION AND ANALYSIS OF THE EFFECTIVENESS OF THE DSS METHOD
Determining the Optimal Server to Access a Multiple Available Network Service
CONCLUSION
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