Performance of Scalable-Distributed-Arbitration ATM Switch Supporting Multiple QoS Classes
Eiji Oki, Naoaki Yamanaka, Masayoshi Nabeshima · 2000
tio Asynchronoustnous1I mode (ATM) is being usedt provide multLL1;S communicat0C net works. The demand for mult0D1;S services, such as high-speed dat communicatP1; and high-definitPj tgh-defini broadcastd -1 will increase. Therefore, ATMswit hes ts1 have largete1I0IjS1 (over1TbitP1 must be developed [1]--[3]. FortC speeds required,tq crosspointn1SQ00D ype ATMswit h, which has cell bu#ersat each crosspoint is superiort ti shared-memory-t ype orinput outt01;IQPDP ype ATMswit hes becauseit doesnot require high-speed memory access or high-speed int1S nal cell tl1PCQj1;II [4]--[7]. This makesit easy for a crosspoint1I0OLO1 ypeswit ht oact as ahigh-speed ATMswit h [8]. However, a crosspointn1IOLjQ ypeswit h hasts1S ble when tn outCO lines arefast ort1SS are many input port0 ThefastD ts outD lines,tn short1 th cell-tSQISC1;jQP tQ1t The moreinput port ttS are,te biggertg arbitSDS01 ring. Therefore, in a swit hwit manyinput port and/orfast outr lines, Manuscript received May 3