2013年5月3日

voip

摘要： Voice over IP in network virtual environmentshttp://research.edm.uhasselt.be/jori/thesis/onlinethesis/contents.htmlThe speech signal is transmitted by digitising tiny pieces of it at regular intervals and sending these to the destination where an analogue signal is reconstructed. For good quality co 阅读全文

posted @ 2013-05-03 18:09 lauraxia 阅读(102) 评论(0) 推荐(0) 编辑

voip note

摘要： Assessment of VoIP Service availability in the current internetVoice over IP (VoIP)Major findings:packet losses are not rare events, and it is generally worse on international paths.Network outages make up a non-negligible portion of packet lossesAlthough research networks such as Internet2 has much 阅读全文

posted @ 2013-05-03 08:09 lauraxia 阅读(141) 评论(0) 推荐(0) 编辑

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