专用资源点系统支撑部分的设计与实现
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摘要
随着智能网的快速发展，如何给智能外设提供一个稳定的、可扩展的业务处理平台并与因特网应用相结合，成为当前研究的一个重要课题。ipSRP系统是一种基于TCP／IP通信协议的增强型独立智能外设，本文主要阐述了其支撑部分的设计和实现。
系统支撑部分在逻辑上采用分层结构，各层之间使用API封装作为接口，相互配合共同实现对业务层的支撑。文中设计了一种基于拥塞级别的拥塞控制算法，支持各业务间定比例资源分配。实现了一种在不同平台间传送数据库记录或文件的方法。在负载均衡上，利用拥塞控制信息，提出了基于权重随机均衡模型的动态算法。管理平台使用可视化方式进行语音编辑与系统运行状态监控。本文最后利用统计数据，对时间序列上两种拥塞级计算方法的性能进行了比较，验证了定比例资源分配算法的有效性，并测试了控制节点的呼叫接入能力。
With the development of Intelligent Network, it is a serious subject that how to provide a stable and expansible service processing platform for Intelligent Peripheral and integrate the Intelligent Network service with Internet. ipSRP system is a kind of enhanced independent Intelligent Peripheral based on TCP/IP. The paper deals with the approach designed and implemented in the supporting component of ipSRP.
The supporting component adopts logically hierarchical software architecture, low layer services the upper through API. The paper develops an effective congestion control method based on congestion-level. Also, the transfer of database recordset and file between heterogeneous platform is implemented and load balance with an adaptive arithmetic based on Weighted Random is put forward. Visual technique is used in management console to modify voice and monitor system running state. Through analyzing statistic data, the paper compares the performance of two congestion-level arithmetic over time sequence, and shows the effectivity of multi-service occupying fixed resource proportion. Finally, the paper tests the call access capability of Control Node under the simulated environment.
系统支撑部分在逻辑上采用分层结构，各层之间使用API封装作为接口，相互配合共同实现对业务层的支撑。文中设计了一种基于拥塞级别的拥塞控制算法，支持各业务间定比例资源分配。实现了一种在不同平台间传送数据库记录或文件的方法。在负载均衡上，利用拥塞控制信息，提出了基于权重随机均衡模型的动态算法。管理平台使用可视化方式进行语音编辑与系统运行状态监控。本文最后利用统计数据，对时间序列上两种拥塞级计算方法的性能进行了比较，验证了定比例资源分配算法的有效性，并测试了控制节点的呼叫接入能力。
With the development of Intelligent Network, it is a serious subject that how to provide a stable and expansible service processing platform for Intelligent Peripheral and integrate the Intelligent Network service with Internet. ipSRP system is a kind of enhanced independent Intelligent Peripheral based on TCP/IP. The paper deals with the approach designed and implemented in the supporting component of ipSRP.
The supporting component adopts logically hierarchical software architecture, low layer services the upper through API. The paper develops an effective congestion control method based on congestion-level. Also, the transfer of database recordset and file between heterogeneous platform is implemented and load balance with an adaptive arithmetic based on Weighted Random is put forward. Visual technique is used in management console to modify voice and monitor system running state. Through analyzing statistic data, the paper compares the performance of two congestion-level arithmetic over time sequence, and shows the effectivity of multi-service occupying fixed resource proportion. Finally, the paper tests the call access capability of Control Node under the simulated environment.
引文
【1】 Jie Wu. Distributed System Design. 机械工业出版社．2001．
【2】 W. Richard Stevens. UNIX Network Programming Volue 1 2nd ed. 清华大学出版社．1998．
【3】 Andrew S. Tanenbaun. Computer Network 3rd ed. 清华大学出版社．1996．
【4】 杨飞、李晓峰等．一种智能外设的结构和性能分析．北京邮电大学学报．2000-6．
【5】 Ma yuxiang, Liu yanming, Chu xingxi. The Research on Overload Control Algorithms for SCP of Intelligent Network. Proceedings of the 3rd Word Congress on Intelligent Control and Automation. Hefei, P.R. China June 28-July 2,2000.
【6】 李保庆、陈君等．CIN02系统的一种容错设计方案．北京邮电大学学报．1999-3．
【7】 Rajkumar Buyya. High Performance Cluster Computing Architectures and Systems, Volume 1. 电子工业出版社．2001．
【8】 W. Richard Stevens. TCP/IP Illustrated Volume 1:The Protocols. 机械工业出版社．2000.
【9】 W. Richard Stevens. TCP/IP Illustrated Volume 3:TCP for Transactions, HTTP, NNTP, and the UNIX Domain Protocols. 机械工业出版社．2000．
【10】 RFC 793, Transmission Control Protocol Darpa INTERNET Program Protocol Specification. 1981.
【11】 ITU-T X. 208 Specification of abstract syntax notation one(ASN. 1).1993.
【12】 ITU-T X. 209 Specification of basic encoding rules for abstract syntax notation one(ASN. 1).1993.
【13】 ITU-T Q. 1214. Distributed Functional Plane for Intelligent Network
【14】 ITU-T Q. 1218. Interface Recommendation for Intelligent Network
【15】 ITU-T Q. 1221 Introduction to intelligent netword CS-2.1997.
【16】 ITU-T Q. 1224 Distributed functional plane for intelligent network CS-2.1997.
【17】 王柏．智能网教程．北京邮电大学出版社．2000．
【18】 龚双瑾、王鸿生．智能网．人民邮电出版社．1999
【19】 郭军．智能信息技术．北京邮电大学出版社．1999．
【20】 Aurel A. Lazar. Programming Telecommunication Networks, IEEE Network. Sep./Oct. 1997.
【21】 Hartmut Brandt, Petia Todorova, GMD Fokus. Design and Implementation of an Intelligent Peripheral for Broadband Multimedia Application. Computer Science. IEEE. 1998-5.
【22】 Rob Jordan, Winchester. Why is the Intelligent Peripheral So Stupid. IEEE Intelligent Network Workshop. 1996
【23】 Anna Hac, Lining Gao. Congestion Control in Intelligent Network. Science Technol. IEEE. 1998
[24] M. Kihl, C. Nyberg. Investigation of overload control algorithms for SCPs in the intelligent network. IEEE Proc-Commun, Vol. 144, No.6． December 1997．
[25] Ryoichi Kawahara, Takuya Asaka. Overload Control for Intelligent Networks Based on an Estimation of Maxinum Number of Calls in a Node. IEEE. 1996．
[26] Dnoald E. Smith. Ensuring Robust Call Throughput and Fairness for SCP Overload Controls. IEEE/ACM Transactions on Networking VOL. 3, NO. 5． OCTOBER 1995．
[27] Rizos Sakellariou. On The Quest For Perfect Load Balance In Loop-Based Parallel Computations. Computer Science University of Manchester. 1998．
[28] Alan Heirich, Stephen Taylor. A Parabolic Theory of Load Balance. California Institute of Technology. 1997．
[29] Alcatel: Intelligent Network Concepts. 1998．
[30] Alcatel: IP System General Introduction. 1999．
【2】 W. Richard Stevens. UNIX Network Programming Volue 1 2nd ed. 清华大学出版社．1998．
【3】 Andrew S. Tanenbaun. Computer Network 3rd ed. 清华大学出版社．1996．
【4】 杨飞、李晓峰等．一种智能外设的结构和性能分析．北京邮电大学学报．2000-6．
【5】 Ma yuxiang, Liu yanming, Chu xingxi. The Research on Overload Control Algorithms for SCP of Intelligent Network. Proceedings of the 3rd Word Congress on Intelligent Control and Automation. Hefei, P.R. China June 28-July 2,2000.
【6】 李保庆、陈君等．CIN02系统的一种容错设计方案．北京邮电大学学报．1999-3．
【7】 Rajkumar Buyya. High Performance Cluster Computing Architectures and Systems, Volume 1. 电子工业出版社．2001．
【8】 W. Richard Stevens. TCP/IP Illustrated Volume 1:The Protocols. 机械工业出版社．2000.
【9】 W. Richard Stevens. TCP/IP Illustrated Volume 3:TCP for Transactions, HTTP, NNTP, and the UNIX Domain Protocols. 机械工业出版社．2000．
【10】 RFC 793, Transmission Control Protocol Darpa INTERNET Program Protocol Specification. 1981.
【11】 ITU-T X. 208 Specification of abstract syntax notation one(ASN. 1).1993.
【12】 ITU-T X. 209 Specification of basic encoding rules for abstract syntax notation one(ASN. 1).1993.
【13】 ITU-T Q. 1214. Distributed Functional Plane for Intelligent Network
【14】 ITU-T Q. 1218. Interface Recommendation for Intelligent Network
【15】 ITU-T Q. 1221 Introduction to intelligent netword CS-2.1997.
【16】 ITU-T Q. 1224 Distributed functional plane for intelligent network CS-2.1997.
【17】 王柏．智能网教程．北京邮电大学出版社．2000．
【18】 龚双瑾、王鸿生．智能网．人民邮电出版社．1999
【19】 郭军．智能信息技术．北京邮电大学出版社．1999．
【20】 Aurel A. Lazar. Programming Telecommunication Networks, IEEE Network. Sep./Oct. 1997.
【21】 Hartmut Brandt, Petia Todorova, GMD Fokus. Design and Implementation of an Intelligent Peripheral for Broadband Multimedia Application. Computer Science. IEEE. 1998-5.
【22】 Rob Jordan, Winchester. Why is the Intelligent Peripheral So Stupid. IEEE Intelligent Network Workshop. 1996
【23】 Anna Hac, Lining Gao. Congestion Control in Intelligent Network. Science Technol. IEEE. 1998
[24] M. Kihl, C. Nyberg. Investigation of overload control algorithms for SCPs in the intelligent network. IEEE Proc-Commun, Vol. 144, No.6． December 1997．
[25] Ryoichi Kawahara, Takuya Asaka. Overload Control for Intelligent Networks Based on an Estimation of Maxinum Number of Calls in a Node. IEEE. 1996．
[26] Dnoald E. Smith. Ensuring Robust Call Throughput and Fairness for SCP Overload Controls. IEEE/ACM Transactions on Networking VOL. 3, NO. 5． OCTOBER 1995．
[27] Rizos Sakellariou. On The Quest For Perfect Load Balance In Loop-Based Parallel Computations. Computer Science University of Manchester. 1998．
[28] Alan Heirich, Stephen Taylor. A Parabolic Theory of Load Balance. California Institute of Technology. 1997．
[29] Alcatel: Intelligent Network Concepts. 1998．
[30] Alcatel: IP System General Introduction. 1999．
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