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Multiple enhanced self-protected spanning trees based architecture for recovery from single failure in metro ethernet 城域以太网单故障恢复的基于多增强自保护生成树的体系结构
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.804287
Yong Li, Wentao Chen, Depeng Jin, L. Su, Lieguang Zeng
{"title":"Multiple enhanced self-protected spanning trees based architecture for recovery from single failure in metro ethernet","authors":"Yong Li, Wentao Chen, Depeng Jin, L. Su, Lieguang Zeng","doi":"10.1117/12.804287","DOIUrl":"https://doi.org/10.1117/12.804287","url":null,"abstract":"Carriers and service providers are rushing to provide Ethernet-based virtual private network services in metro area network (MAN) as the most cost effective way to address the needs of the enterprise network market. To address the fast recovery from any signal failure issue in the Metro Ethernet, we propose a metro Ethernet architecture based on multiple Enhanced Self-protected Spanning Trees (ESST). The recovery mechanism, named Birthday-based Link Replacing Mechanism (BLRM), in this architecture is able to transform a self-protected spanning tree into another spanning tree after any signal link or node failure. Simulation result demonstrates the effectiveness of the BLRM in achieving fast recovery.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121840087","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
A metro-access integrated network with all-optical virtual private network function using DPSK/ASK modulation format 采用DPSK/ASK调制格式，具有全光虚拟专用网功能的城域接入综合网络
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.804180
Yue Tian, L. Leng, Yikai Su
{"title":"A metro-access integrated network with all-optical virtual private network function using DPSK/ASK modulation format","authors":"Yue Tian, L. Leng, Yikai Su","doi":"10.1117/12.804180","DOIUrl":"https://doi.org/10.1117/12.804180","url":null,"abstract":"All-optical virtual private network (VPN), which offers dedicated optical channels to connect users within a VPN group, is considered a promising approach to efficient internetworking with low latency and enhanced security implemented in the physical layer. On the other hand, time-division multiplexed (TDM) / wavelength-division multiplexed (WDM) network architecture based on a feeder-ring with access-tree topology, is considered a pragmatic migration scenario from current TDM-PONs to future WDM-PONs and a potential convergence scheme for access and metropolitan networks, due to its efficiently shared hardware and bandwidth resources. All-optical VPN internetworking in such a metro-access integrated structure is expected to cover a wider service area and therefore is highly desirable. In this paper, we present a TDM/WDM metro-access integrated network supporting all-optical VPN internetworking among ONUs in different sub- PONs based on orthogonal differential-phase-shift keying (DPSK) / amplitude-shift keying (ASK) modulation format. In each ONU, no laser but a single Mach-Zehnder modulator (MZM) is needed for the upstream and VPN signal generation, which is cost-effective. Experiments and simulations are performed to verify its feasibility as a potential solution to the future access service.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128845205","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
A novel multi-granularity OXC architecture with minimum resource first assignment algorithm 一种具有最小资源优先分配算法的多粒度OXC结构
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.804242
Xinbin Wu, Ming Xin, Minghua Chen, Hong-wei Chen, S. Xie
{"title":"A novel multi-granularity OXC architecture with minimum resource first assignment algorithm","authors":"Xinbin Wu, Ming Xin, Minghua Chen, Hong-wei Chen, S. Xie","doi":"10.1117/12.804242","DOIUrl":"https://doi.org/10.1117/12.804242","url":null,"abstract":"An intra-fibre wavelength conversion (IFWC) adopting ROADM-like structure for upgrading MG-OXC router is proposed. A minimum resource first assignment (MRFA) algorithm aimed at this specific structure is also developed for better performance.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"8 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121017322","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
An approach for passive testing of SFSM-based systems 一种基于sfsm系统的被动测试方法
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.804174
Miao Lv, Xue Chen, Chenling Wang
{"title":"An approach for passive testing of SFSM-based systems","authors":"Miao Lv, Xue Chen, Chenling Wang","doi":"10.1117/12.804174","DOIUrl":"https://doi.org/10.1117/12.804174","url":null,"abstract":"Based on Simplified Finite State Machine (SFSM) as an improved model, an approach for passive testing consistency is proposed. The improved model is introduced and the algorithm complexity is analysed. Also, this approach is implemented with the EPON Tester, and proved to be feasible to analyze Multi-Point Control Protocol (MPCP) consistency.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126980274","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
Using IGMP V3 for controllable multicast over EPON 采用IGMP V3实现EPON可控组播
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.803479
Chuanhao Zhang, Deming Liu, Li Zhang, Guangsheng Wu
{"title":"Using IGMP V3 for controllable multicast over EPON","authors":"Chuanhao Zhang, Deming Liu, Li Zhang, Guangsheng Wu","doi":"10.1117/12.803479","DOIUrl":"https://doi.org/10.1117/12.803479","url":null,"abstract":"The character of 1Gbps bandwidth and tree-based structure make EPON very suitable for broadcast or multicast services such as IPTV. The document proposed a novel scheme, based on the former research for controllable multicast over EPON system, mainly considering system security and maintainability. It can both control the IPTV program source's and the receiver's validity, improving the efficiency and precision. The processing of the two configurations mode is given in detail.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131820038","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 new evolutionary algorithm for traffic grooming in WDM mesh network 一种新的WDM网状网络流量疏导进化算法
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.802136
Yishi Han, Zhanbin Ao, Bingkun Xu
{"title":"A new evolutionary algorithm for traffic grooming in WDM mesh network","authors":"Yishi Han, Zhanbin Ao, Bingkun Xu","doi":"10.1117/12.802136","DOIUrl":"https://doi.org/10.1117/12.802136","url":null,"abstract":"The traffic grooming based on Adaptive Immune Evolutionary Algorithm (AIEA) is proposed. The process of AIEA for traffic grooming problem was also given simply. Computer simulations and comparison with other heuristic algorithms were performed. The results show AIEA has better resource utilization, good convergence rate and global optimization features in WDM Mesh networks. Simulation results show AIEA has better resource utilization, average jumping delay time and good convergence.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127465677","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
Resource assignment for sliding scheduled lightpath demands 滑动预定光路需求的资源分配
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.802826
Rui Tang, Guoying Zhang, Haiyi Zhang
{"title":"Resource assignment for sliding scheduled lightpath demands","authors":"Rui Tang, Guoying Zhang, Haiyi Zhang","doi":"10.1117/12.802826","DOIUrl":"https://doi.org/10.1117/12.802826","url":null,"abstract":"Modeling the traffic demands accurately has important significance for network resource utilization and performance optimization. The uncertainty of demands has made the long term forecasting of traffic a particularly difficult problem. So the traffic model named as sliding scheduled lightpath demands (SSLDs) is considered in this paper. A time-disjointness maximizing algorithm is proposed, which is combined with simulated annealing (SA) algorithm to solve routing and resource assignment problem for SSLDs. This solution is evaluated and compared with two fixed routing algorithms. Simulation results show that SA algorithm has a better performance for routing and resource assignment.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117249487","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
GRID computing and a role of photonic networks 网格计算与光子网络的作用
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.807767
T. Kudoh
{"title":"GRID computing and a role of photonic networks","authors":"T. Kudoh","doi":"10.1117/12.807767","DOIUrl":"https://doi.org/10.1117/12.807767","url":null,"abstract":"Grid is a resource management technology which provides infrastructures to execute applications. Grid manages resources and provides an infrastructure composed of computing, storage and other resources. While Grid assumes existence of network which connects resources, network used to be considered as a non-manageable resource. However, in these several years, an idea and implementations to use bandwidth of network as a manageable resource have been proposed and demonstrated. Using this kind of schemes together with optical circuit (path) switching technology, a high-performance, energy-efficient and low-cost IT infrastructure can be realized. In this paper, the G-lambda project and its experiments, in which lambdas (optical paths) are reserved and used by requests from applications and middleware, are introduced.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121173060","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
Optical resilient packet ring (ORPR) buffer model and delay analysis 光弹性分组环(ORPR)缓冲模型及时延分析
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.803959
Qin Wang, Chongqing Wu, M. Cheng, Yunjun Wang
{"title":"Optical resilient packet ring (ORPR) buffer model and delay analysis","authors":"Qin Wang, Chongqing Wu, M. Cheng, Yunjun Wang","doi":"10.1117/12.803959","DOIUrl":"https://doi.org/10.1117/12.803959","url":null,"abstract":"A new Optical Resilient Packet Ring buffer model was introduced in this paper, end-to-end delay of packet in Optical Resilient Packet Ring was analyzed. The computing equation for end-to-end average delay of packet with different service priority was proposed,while fiber-delay-lines acting as transfer buffer at node.The relationship between delay and traffic, fiber delay lines unit length is analyzed via the equation.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115961804","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
Self-organized call admission control for optical communication networks 光通信网络自组织呼叫接纳控制
SPIE/OSA/IEEE Asia Communications and Photonics Pub Date : 2008-11-19 DOI: 10.1117/12.804172
Bing Zuo, Lei Liu, Jian Wu, Jintong Lin
{"title":"Self-organized call admission control for optical communication networks","authors":"Bing Zuo, Lei Liu, Jian Wu, Jintong Lin","doi":"10.1117/12.804172","DOIUrl":"https://doi.org/10.1117/12.804172","url":null,"abstract":"Call Admission Control (CAC) is widely used in optical communication networks to reduce network congestion. However, the conventional CAC scheme recommended by International Telecommunication Union -Telecommunication Standardization Sector (ITU-T) has a serious deficiency under high traffic load. In this paper, the disadvantage of conventional CAC scheme is analyzed in detail, and a Self-organized Call Admission Control (SCAC) scheme is proposed to solve this disadvantage. This scheme is accord with the principle of self-organization system, so it can be easily implemented in practice. Numerical results show that the proposed scheme can improve the network performance to a great extent.","PeriodicalId":179447,"journal":{"name":"SPIE/OSA/IEEE Asia Communications and Photonics","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114166636","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
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