Submitted on: 07 January 2017.
Revised on: 14 April 2017.
Accepted on: 16 May 2017.
___________________COMPUTER COMMUNICATIONS---ELSEVIER
Submitted on: 10 February 2019.
Revised on: 23 March 2019.
Accepted on: 18 April 2019.
___________________COMPUTER COMMUNICATIONS---ELSEVIER
Submitted on: 31 October 2001.
Revised on: 05 January 2002.
Accepted on: 26 January 2002.
___________________COMPUTER COMMUNICATIONS---ELSEVIER
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Submitted on: 19 November 2010.
Revised on: 27 December 2010.
Accepted on: 07 January 2011.
___________________COMPUTER COMMUNICATIONS---ELSEVIER
Submitted on: 01 August 2024.
Revised on: 07 September 2024.
Accepted on: 03 October 2024.
___________________COMPUTER COMMUNICATIONS---ELSEVIER
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Submitted on: 04 April 2016.
Revised on: 04 July 2016.
Accepted on: 03 August 2016.
___________________COMPUTER COMMUNICATIONS---ELSEVIER