基于连接标识的多路径传输
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摘要
随着网络技术的发展,多宿主主机越来越普及。多路径并行传输可以充分利用多宿主主机的优势,不仅可以最大限度利用带宽,提高数据吞吐量,而且可以提高容错率,在一条路径出现故障时,迅速切换到其他路径进行数据传输。文中基于多路径传输以及动态地址变换的特点,引入了连接标识进行通信。通过建立连接标识与接入标识之间的映射,代替传统网络依靠五元组进行连接的管理,以更好地适应多路径传输。简述了如何基于流控传输协议实现多路径传输以及动态地址变换,并定义了连接标识的生成方法。给出了一种在本地建立连接标识与接入标识映射的方法,并阐述了基于连接标识通信的优势:更加适应多路径传输;更好地增加传输安全性;更好地对连接进行管理等。对不同带宽以及时延下的吞吐量进行了测试,并与传统传输协议进行了性能对比。使用连接标识进行多路径传输可以提升性能,更好地支持动态地址变换,达到身份与位置分离的目的。
With the development of network technology,multi-homing host is becoming more and more popular. Concurrent multipath transfer can take full advantage of it,which not only can maximize the use of bandwidth and improve data throughput,but also can improve the fault tolerance.When a path occurs failure,it can quickly switch to other paths for data transmission.Based on the characteristics of multipath transmission and dynamic address translation,the connection identifier is introduced for communication.Instead of the fivetuple,establishing the mapping between the connection identifier and the address identifier can better adapt to multi-path transmission.It describes howto implement multipath transmission and dynamic address translation based on stream control transmission protocol,and defines the generation method of connection identifier. A method is put forward to establish the connection identifier and access identifier mapping locally and the advantages of communication on the basis of connection identifier are also described,including more adaptive to multi-path transmission,better enhancement of transmission security,and management of connections. The throughput under different bandwidth and delay is tested,and the performance is compared with the traditional transmission protocol.Multi-path transmission using the connection identifier can improve performance and better support dynamic address translation,achieving the purpose of identity and location separation.
With the development of network technology,multi-homing host is becoming more and more popular. Concurrent multipath transfer can take full advantage of it,which not only can maximize the use of bandwidth and improve data throughput,but also can improve the fault tolerance.When a path occurs failure,it can quickly switch to other paths for data transmission.Based on the characteristics of multipath transmission and dynamic address translation,the connection identifier is introduced for communication.Instead of the fivetuple,establishing the mapping between the connection identifier and the address identifier can better adapt to multi-path transmission.It describes howto implement multipath transmission and dynamic address translation based on stream control transmission protocol,and defines the generation method of connection identifier. A method is put forward to establish the connection identifier and access identifier mapping locally and the advantages of communication on the basis of connection identifier are also described,including more adaptive to multi-path transmission,better enhancement of transmission security,and management of connections. The throughput under different bandwidth and delay is tested,and the performance is compared with the traditional transmission protocol.Multi-path transmission using the connection identifier can improve performance and better support dynamic address translation,achieving the purpose of identity and location separation.
引文
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[15]刘畅,宋飞,孙亮,等.基于连接标识的映射通信[J].电子学报,2012,40(10):1920-1926.
[2]杨冬,周华春,张宏科.基于一体化网络的普适服务研究[J].电子学报,2007,35(4):607-613.
[3]张宏科,苏伟.新网络体系基础研究—一体化网络与普适服务[J].电子学报,2007,35(4):593-598.
[4]宋飞,高德云,张宏科,等.新一代互联网中连接标识解析映射研究[J].北京交通大学学报:自然科学版,2010,34(2):38-42.
[5]白刚,王重钢,隆克平,等.流控制传输协议SCTP及其性能分析与应用[J].北京邮电大学学报,2001,24(4):62-66.
[6]Iyengar J R,Amer P D,Stewart R.Concurrent multipath transfer using SCTP multihoming over independent end-to-end paths[J].IEEE/ACM Transactions on Networking,2006,14(5):951-964.
[7]Liao J,Wang J,Li T,et al.Introducing multipath selection for concurrent multipath transfer in the future internet[J].Computer Networks,2011,55(4):1024-1035.
[8]符发,周星,杨雄,等.MPTCP与CMT-SCTP多路径传输协议性能分析[J].计算机工程与应用,2013,49(21):79-82.
[9]刘镇,谭毓银,符发,等.MPTCP与CMT-SCTP拥塞控制机制研究[J].计算机工程,2015,41(4):117-124.
[10]Wu J,Cheng B,Yuen C,et al.Distortion-aware concurrent multipath transfer for mobile video streaming in heterogeneous wireless networks[J].IEEE Transactions on Mobile Computing,2015,14(4):688-701.
[12]刘杰民,白雪松,王兴伟.多路径并行传输中传输路径选择策略[J].电子与信息学报,2012,34(6):1521-1524.
[13]曹宇,徐明伟.一种按需分配的多路径传输分组调度算法[J].软件学报,2012,23(7):1924-1934.
[14]薛淼,高德云,张思东,等.面向下一代网络的端到端多路径传输层架构[J].通信学报,2010,31(10):26-35.
[15]刘畅,宋飞,孙亮,等.基于连接标识的映射通信[J].电子学报,2012,40(10):1920-1926.