%0 Journal Article
%T A Scheme and Behavior Analysis of Duplicated Ports Switches with Line Rate Buffers<br>线路速率缓存的重端口交换机方案及行为分析
%A WU Jun
%A CHEN Qing
%A LUO Jun-Zhou
%A <br>吴俊
%A 陈晴
%A 罗军舟
%J 软件学报
%D 2003
%I 
%X Nowadays, Internet is facing two challenges simultaneously: the need of a higher switching speed and the provision of a QoS guarantee. The former requires that memories in switches/routers should work at a line rate, and the latter requires that switches should mimic OQ (output queuing) switches. The present CIOQ (combined input-output queuing) scheme for switches needs a speedup of 2. In this paper, a novel design scheme based on parallel technique is proposed, which is called DPS (duplicated ports switch). DPS enables the internal fabric of switches to work at the line rate. A theoretical proof shows that each port with a duplicated number of 2 is sufficient to mimic the OQ switches and is necessary in practice.
%K switch
%K input-queueing
%K output-queueing
%K scheduling algorithm<br>交换机
%K 输入对列
%K 输出队列
%K 调度算法
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=7735F413D429542E610B3D6AC0D5EC59&aid=168BF9A2D3648A04&yid=D43C4A19B2EE3C0A&vid=F3583C8E78166B9E&iid=59906B3B2830C2C5&sid=5F72C4E06FEFC1BD&eid=03ABEE521EC3BA7B&journal_id=1000-9825&journal_name=软件学报&referenced_num=2&reference_num=14