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1998 1st IEEE International Conference on ATM. ICATM'98最新文献

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Performance evaluation of frame discard strategies in ATM networks ATM网络中帧丢弃策略的性能评价
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688215
C.-M. Wu
{"title":"Performance evaluation of frame discard strategies in ATM networks","authors":"C.-M. Wu","doi":"10.1109/ICATM.1998.688215","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688215","url":null,"abstract":"The flow of papers proposing new schemes to cope with congestion in networks continues unabated. In particular, as the deployment of ATM networks advances, effective congestion control is required to ensure that these networks can effectively provide the wide range of services that they promise. This paper will attempt to evaluate whether recently proposed algorithms are likely to be useful in practice using performance simulation and modeling methods. In order to achieve a higher efficiency it is possible to implement some additional mechanism to control cell dropping at the switch's buffers. One of the most popular drop strategies is the early packet discard, which drops the entire higher level data units when the buffer queue reaches a certain threshold level. Another mechanism is the partial packet discard, which if a cell is lost in case of congestion, discards all the subsequent cells belonging to the same packet. The aim of this paper is to investigate how switch buffer efficiency depends on the placement of the EPD threshold and on how cell dropping will occur, due to the level of the congestion. Two of the most relevant factors are the distribution of the packet size and the traffic distribution. It is particularly aimed at estimating the effects of recent congestion control schemes for ATM networks.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129593108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Issues on connection allocation for supporting distributed real-time systems on ATM networks ATM网络中支持分布式实时系统的连接分配问题
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688174
Z. Mammeri, Lih, Loria, Facult
{"title":"Issues on connection allocation for supporting distributed real-time systems on ATM networks","authors":"Z. Mammeri, Lih, Loria, Facult","doi":"10.1109/ICATM.1998.688174","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688174","url":null,"abstract":"With the increase in use of distributed real-time systems (DRTS), the ability of networks to handle time-constrained traffic is becoming more and more important. This paper examines one of the most promising networks for future DRTS, namely ATM. On one hand, there exist applications with various types of time constraints associated with messages generated by control activities, database access activities, video-monitoring activities, etc., and on the other hand, two service categories, CBR and rt-VBR, have been defined by the ATM Forum to support real-time communications. We analyze some issues to be considered to provide ATM users with a formal approach to map timing constraints of messages onto ATM services. We also discuss the problem of globally allocating a set of ATM connections required by a distributed real-time application.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129594680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
FPGA implementation of a scalable shared buffer ATM switch 一种可扩展的共享缓冲ATM交换机的FPGA实现
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688184
J. W. Shim, G. Jeong, M.K. Lee
{"title":"FPGA implementation of a scalable shared buffer ATM switch","authors":"J. W. Shim, G. Jeong, M.K. Lee","doi":"10.1109/ICATM.1998.688184","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688184","url":null,"abstract":"This paper describes the architecture of a scalable shared buffer ATM switch and FPGA (field programmable gate array) implementation. The proposed ATM switch has a 2-D array of sub-memory blocks as a shared buffer. We can enlarge the buffer capacity by increasing the array size without any change of circuit. The prototype switch has been designed for a 4/spl times/4 ATM switch which has a shared buffer for 32 16-byte cells and implemented using FPGA to verify its function. The operating frequency of the designed test-bed is 40 MHz.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123789388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
IP or ATM versus IP over ATM: the role of the ATM Forum and the IETF in setting standards IP或ATM与IP over ATM: ATM论坛和IETF在制定标准中的作用
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688152
S. Ritzenthaler
{"title":"IP or ATM versus IP over ATM: the role of the ATM Forum and the IETF in setting standards","authors":"S. Ritzenthaler","doi":"10.1109/ICATM.1998.688152","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688152","url":null,"abstract":"The content of this text includes a description of the state of the art of the definition tasks of the ATM Forum and the IETF in the domain concerned, at the time of writing, under the best understanding of the author, and does not represent any definitive commitment of the ATM Forum or the IETF.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133992401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
BAAWAM with wireless-specific quality of service 具有无线特定服务质量的BAAWAM
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688162
J. Ben-othman, K. Boussetta, A. Guéroui
{"title":"BAAWAM with wireless-specific quality of service","authors":"J. Ben-othman, K. Boussetta, A. Guéroui","doi":"10.1109/ICATM.1998.688162","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688162","url":null,"abstract":"The development of broadband fixed networks which support different services has an impact on wireless networks. This is due to the growing number of users of PCS (personal communication systems) which support multiservices with the ability of moving. So, efficient multicasting is a fundamental issue for the success of these applications. Furthermore, with the emergence of mobile networks, there is a strong trend towards the extension of the existing networks, such as ATM, to support those multimedia group applications in a mobile environment. On the other hand, wireless asynchronous transfer mode (WATM) is emerging as a promising technology for multimedia applications in wireless networks. In our previous study we proposed the BAAWAM algorithm (bandwidth allocation algorithm in the wireless ATM for a multicast) which is a new bandwidth allocation policy in WATM networks to provide multicast transmissions. In this study, we modify this algorithm by integrating a flow control mechanism for the ABR, and we improve the quality of service (QoS) by defining a new bandwidth reservation policy.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134454881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A large-scale ATM switch: analysis, simulation, and implementation 一种大型ATM交换机:分析、仿真与实现
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688213
H. Yoon
{"title":"A large-scale ATM switch: analysis, simulation, and implementation","authors":"H. Yoon","doi":"10.1109/ICATM.1998.688213","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688213","url":null,"abstract":"In this paper, a large-scale ATM switch is presented, and its performance is examined through a mathematical analysis and a computer simulation. The implementation of the proposed ATM switch is also discussed. For the performance evaluation of the ATM switch, cell loss rate, cell switching delay, and throughput are found under varying external conditions, such as input traffic load and buffer size of the switching elements, which are the basic building blocks of the proposed ATM switch. The proposed ATM switch behaves well and yields good performance results under a uniform traffic environment. The complexity of the proposed ATM switch is rather moderate and hardware implementation using current technology is feasible up to a switch dimension of 1024/spl times/1024. The ATM switches of such dimension and performance are suitable for installation in high-speed network infrastructure.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124905313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Network interworking for narrowband services over an ATM network 通过ATM网络实现窄带业务的网络互联
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688178
H. Park, Yonshik Choi, Y.-K. Lee
{"title":"Network interworking for narrowband services over an ATM network","authors":"H. Park, Yonshik Choi, Y.-K. Lee","doi":"10.1109/ICATM.1998.688178","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688178","url":null,"abstract":"In the evolution towards the broadband integrated services digital network (B-ISDN), the existing services and applications, which are used in N-ISDN, should be provided through the interworking function. Network interworking between N-ISDN and B-ISDN is one of the most important technical issues to provide existing N-ISDN services for N-ISDN users. As a trunking method to fulfil the interworking function (IWF), we present a network interworking mechanism based on the service interworking scenario specified by the telecommunication standardization of the International Telecommunication Union (ITU-T). It provides network-to-network interface (NNI) signaling protocol conversions between N-ISDN and B-ISDN, and it can make it much easier to extend the network interworking function to the service interworking function which allows communication between N-ISDN users and B-ISDN users. Therefore, the proposed interworking mechanism, when compared to other trunking methods, can be regarded as an efficient way for a step towards a future universal communication network. For network interworking, we describe the technical aspects to implement the IWF in terms of hardware and software. We particularly address the call/connection control for the interworking between the N-ISDN service and the B-ISDN service, and the signaling conversions of network interface protocols between N-ISDN and B-ISDN. We also discuss several restrictions and benefits of the proposed network interworking method.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122709212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis and simulation of a recently proposed flow control algorithm for ATM networks: Phantom 最近提出的ATM网络流量控制算法:Phantom的分析与仿真
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688169
E. Ruh, M. Juanatey, F. D'Alvano
{"title":"Analysis and simulation of a recently proposed flow control algorithm for ATM networks: Phantom","authors":"E. Ruh, M. Juanatey, F. D'Alvano","doi":"10.1109/ICATM.1998.688169","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688169","url":null,"abstract":"The ATM Forum has adopted rate based schemes as standard for flow control. Although Phantom is also based on rate, no information about any implementation of it has been found. The results of a simulation study of Phantom are presented in this paper; it exhibits a low peak buffer occupancy dependency on the number of sessions, even under progressively increasing traffic loads, a high link utilization factor and convergence to a fair rate allocation, which is markedly affected by the round trip time.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125538994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Support for multimedia applications in a wireless ATM system 支持无线ATM系统中的多媒体应用
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688156
A. Kassler, A. Lupper
{"title":"Support for multimedia applications in a wireless ATM system","authors":"A. Kassler, A. Lupper","doi":"10.1109/ICATM.1998.688156","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688156","url":null,"abstract":"Mobility will be one key issue for future broadband access. Consequently, many research projects are currently focusing on wireless ATM networks. Within the European ACTS research program the \"Magic WAND\" project is developing mobile terminals and access points based on wireless ATM technology. The terminals will communicate at a speed up to 20 Mbit/s in the 5 GHz band within multiple picocells of approximately 50 meters in diameter. This technology supports applications and services demanding both high bandwidth and mobile network access, two contradicting requirements in the past. We take a look at typical multimedia applications and evaluate the key components of the WAND system necessary to support their quality of service (QoS) requirements. One major challenge is to guarantee QoS transparently over the wireless link. We present our solutions for a QoS-supported mobile audio/videoconferencing subsystem and analyse how video compression algorithms behave under the conditions of a wireless medium.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126376707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
TCP/IP over ATM challenges in enterprise network integration TCP/IP over ATM在企业网络集成中的挑战
1998 1st IEEE International Conference on ATM. ICATM'98 Pub Date : 1998-06-22 DOI: 10.1109/ICATM.1998.688211
S. Yousef, C. Strange
{"title":"TCP/IP over ATM challenges in enterprise network integration","authors":"S. Yousef, C. Strange","doi":"10.1109/ICATM.1998.688211","DOIUrl":"https://doi.org/10.1109/ICATM.1998.688211","url":null,"abstract":"For ATM networks, VBR, ABR and UBR are effective solutions to accommodate TCP/IP based LAN traffic. To obtain a high quality networking provision for TCP traffic it is important to select either ATM guaranteed or best effort service parameter values to clarify the interaction between the TCP flow control mechanism and the usage parameter control (UPC) function of the ATM switch. Previous studies have addressed the ABR issue and assumed a network context where the ABR service provides TCP/IP connections with zero cell loss connections. This can be considered feasible with explicit rate (ER) ABR control schemes even with reasonable sizing of the switch buffers. The interaction between TCP and ABR control incurs an important challenge. When ACR is low, the queue between TCP and ATM may become as large as the window and the delay may trigger a retransmission thus degrading the end-to-end performance and wasting the bandwidth. Moreover, the prioritised VBR traffic can also degrade the throughput of the ABR traffic. Bursty periodic and self-similar type traffic sources may be problematic for different ABR algorithms. Also, the hardware and software design is still a source of poor performance. The main challenges still to be overcome before the full application/services integration of the network becomes a reality are identified and some solutions are proposed. A simulation study is performed regarding the end-to-end delay for voice and video on IP and ATM networks.","PeriodicalId":257298,"journal":{"name":"1998 1st IEEE International Conference on ATM. ICATM'98","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126811245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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