designing large scale lans pdf

... Types Basic Topologies Reliability Mechanisms VLANs Toward Larger Topologies Hierarchical Design Implementing Reliability Large- Scale LAN Topologies 4. Local Area Network Technologies ... Reliability Mechanisms Before moving on to larger -scale topologies, it is important to review some of the systems for automated fault recovery that are used in large networks. Just inserting backup ... None of the basic topologies mentioned is particularly useful for larger numbers of users, however. A mesh topology doesn't scale well because the number of links and ports required grow...

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... 4-2 Large- Scale MPLS VPN Deployment Copyright  2000, Cisco Systems, Inc. MP-BGP Scalability Mechanisms ... discarded by the receiving router, prior to sending the information to the receiving router. 4-4 Large- Scale MPLS VPN Deployment Copyright  2000, Cisco Systems, Inc. Partitioned Route Reflectors ... Questions n Describe BGP scaling issues in a MPLS VPN network. The number of routes in a very large MPLS/VPN network may result in exceeding the resources of the PE routers. MPLS VPN uses...

Ngày tải lên: 11/12/2013, 14:15

... documents into larger files when storing them in HDFS. We found this improved Hadoop’s performance by a factor of two and helped avoid memory issues with the central HDFS master when a large number ... are two notable projects in this direction. 3.4 Data Distribution The conventional wisdom for large- scale databases is to always send the computation to the data, rather than the other way around. In ... SQL DBMS from a major relational database vendor that stores data in A Comparison of Approaches to Large- Scale Data Analysis Andrew Pavlo Erik Paulson Alexander Rasin Brown University University of...

Ngày tải lên: 19/02/2014, 12:20

... promise of large- scale discriminative training for SMT is to scale to arbitrary types and numbers of features and to pro- vide sufficient statistical support by parameter esti- mation on large sample ... 2005): ∇l j (w) =  −¯x j if w, ¯x j  ≤ 0, 0 else. Our baseline algorithm 1 (SDG) scales pairwise ranking to large scale scenarios. The algorithm takes an average over the final weight updates of ... features vectors grew too large to be kept in memory. 6 Discussion We presented an approach to scaling discrimina- tive learning for SMT not only to large feature sets but also to large sets of parallel...

Ngày tải lên: 19/02/2014, 19:20

... integrated these large scale linguistic resources into our natural language understanding system. Client- server architecture was used to make a large volume of lexical information and a large knowledge ... Server data with core KB (WordNet-based KB concept names from ISI see text) 984 Integration of Large- Scale Linguistic Resources in a Natural Language Understanding System Lewis M. Norton, Deborah ... acquisition is a serious bottleneck for natural language understanding systems. For this reason, large- scale linguistic resources have been compiled and made available by organizations such as the...

Ngày tải lên: 20/02/2014, 18:20

... production – although of course these existed too. On average, maize production attracted large- scale farmers who were capital-poor, and whose use both of capital and labour reflected this. ... 2011:20 ABSTRACT The paper’s background is a revival of the historically dominant narrative on the large- scale and plantation farming (LSF and PF) in Africa, in reaction to the contemporary phenomenon ... economies of scale were maintained, but these were no longer presented as intrinsic. Rather, as will be noted below in relation to the Inverse Relation argument, they re - ferred to scale economies...

Ngày tải lên: 21/02/2014, 04:20

... this continuum. Large- scale projects tend to be very resource intensive (where the term “resource” may include Conventional small -scale research → Large- scale → Very large- scale collaborative ... Applications, 109 Nonfederal funding of large- scale biomedical research projects, 115 Industry Funding of Large- Scale Biomedical Research, 116 Nonprofit Funding of Large- Scale Biomedical Research, 123 Issues ... of large- scale projects. • Identify obstacles to the implementation of large- scale projects in cancer research. • Provide policy recommendations for improving the process for conducting large- scale...

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Ngày tải lên: 05/09/2013, 14:58

... be considered when designing the site architecture. Lead-in When designing the site architecture, there are technical requirements that must be considered. Module 4: Designing the Client ... adding additional servers. A solution that has been scaled out by adding more servers is termed a Web farm, and a solution that has been scaled up by adding more CPUs to a single server creates ... extension. 18 Module 4: Designing the Client Experience You will learn more about state management in Module 5, “Managing the Business Logic Layer,” in Course 2260A, Designing E-Business Applications...

Ngày tải lên: 10/12/2013, 16:16

... 4 Large- Scale MPLS VPN Deployment 4-2 Large- Scale MPLS VPN Deployment Copyright  2000, Cisco Systems, Inc. MP-BGP Scalability ... updates by uploading a filter to the neighbor. n Why are outbound route filters useful? 4-4 Large- Scale MPLS VPN Deployment Copyright  2000, Cisco Systems, Inc. Partitioned Route Reflectors ... Questions n Describe BGP scaling issues in a MPLS VPN network. The number of routes in a very large MPLS/VPN network may result in exceeding the resources of the PE routers. MPLS VPN uses...

Ngày tải lên: 11/12/2013, 14:15

... filter to the sending PE router. 20 Large- Scale MPLS VPN Deployment Copyright  2000, Cisco Systems, Inc. Copyright  2000, Cisco Systems, Inc. Large- Scale MPLS VPN Deployment 23 © 2000, ... usually have the same community attached. Large- Scale MPLS VPN Deployment Overview This chapter describes scalability issues encountered in large- scale MPLS VPN networks and presents a number ... scaling issues in large- scale MPLS VPN backbones n Describe the built-in scalability mechanisms n Design and implement networks using partitioned BGP route reflectors 18 Large- Scale MPLS VPN...

Ngày tải lên: 11/12/2013, 14:15