Traffic management for TCP/IP over satellite ATM networks

被引:16
|
作者
Goyal, R [1 ]
Jain, R [1 ]
Goyal, M [1 ]
Fahmy, S [1 ]
Vandalore, B [1 ]
Kota, S [1 ]
机构
[1] Ohio State Univ, Columbus, OH 43210 USA
基金
美国国家航空航天局;
关键词
D O I
10.1109/35.751496
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Several Ka-band satellite systems have been proposed that will use ATM technology to seamlessly transport Internet traffic. The ATM UBR, GFR, and ABR service categories have been designed for data. However, several studies have reported poor TCP performance over satellite ATM networks. We describe techniques to improve TCP performance over satellite ATM networks. We first discuss the various design options available for TCP end systems, IP-ATM edge devices, as well as ATM switches for long-latency connections. We discuss buffer management policies, guaranteed rate services, and the virtual source/virtual destination option in ATM. We present a comparison of ATM service categories for TCP transport over satellite links. The main goal of this article is to discuss design and performance issues for the transport of TCP over UBR, GFR, and ABR services for satellite ATM networks.
引用
收藏
页码:56 / 61
页数:6
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