Sayed Vahid Azhari Nasser Yazdani Ali Mohammad Zareh Bidoki Providing Delay Guarantee in Input Queued Switches: A Comparative Analysis of Scheduling Algorithms. 3-13 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2662&spage=3 2003 conf/icoin/2003 ICOIN db/conf/icoin/icoin2003.html#AzhariYB03