نتایج جستجو برای: link based and path based traffic assignment

تعداد نتایج: 17332084  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

abstract the first purpose of this study was to investigate the effect of consciousness-raising (c-r) activities on learning grammatical structures (simple present tense in this case) by iranian guidance school efl learners. the second one was to investigate the effect of gender on learning the simple present tense through c-r activities and tasks. finally, this study aimed to investigate the ...

Journal: :journal of agricultural science and technology 2011
m. hadadinejad a. ebadi m. r. naghavi r. nikkhah

grapes are among the world most planted horticultural crops. since the last century, attempts have been made to improve the quality of grapes in the world. meanwhile, the necessity of having knowledge about the history of progenies families led to the link between genealogy and breeding. considering some previous mislabeling, in order to find out the accuracy of the controlled crosses as well a...

2005
Antoine B. Bagula

This paper revisits the problem of Traffic Engineering (TE) to evaluate the performance improvements achieved by destination-based TE when OSPF routing is fine-tuned to achieve route optimisation. We build upon the framework provided by evolutionary algorithms to present a TE model where link weights are computed by a genetic algorithm and used as fine-tuning parameters in destination-based pat...

2014
Xuesong Zhou Jeffrey Taylor

A number of emerging dynamic traffic analysis applications, such as regional or statewide traffic assignment, require a theoretically rigorous and computationally efficient model to describe the propagation and dissipation of system congestion with bottleneck capacity constraints. An open-source light-weight dynamic traffic assignment (DTA) package, namely DTALite, has been developed to allow a...

2009
Micah Sherr Matt Blaze Boon Thau Loo

The performance of an anonymous path can be described using many network metrics – e.g., bandwidth, latency, jitter, loss, etc. However, existing relay selection algorithms have focused exclusively on producing paths with high bandwidth. In contrast to traditional node-based path techniques in which relay selection is biased by relays’ node-characteristics (i.e., bandwidth), this paper presents...

2002
Jun Sun Eytan Modiano

This paper considers the link capacity requirement for a N N mesh-torus network under a uniform all-to-all traffic model. Both primary capacity and spare capacity for recovering from link failures are examined. In both cases, we use a novel method of “cuts on a graph” to obtain lower bounds on capacity requirements and subsequently find algorithms for routing and failure recovery that meet thes...

2001
Hahnearl Jeon Sung-Dae Kim Young Joon Kim Hyung-Taek Kim Jaiyong Lee

This paper investigates the problem of path calcul ation of multiple metric routing. Toda 's Internet routing is based on a single metric path selecting algorithm. Single metric path is a best effort service that can only support path for one requirement. In order to support quality-of-service(QoS) call, path is subjec to multiple constraints on routing metric. In many cases, the path finding p...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی و اجتماعی 1389

today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم ریاضی و مهندسی کامپیوتر 1392

heuristics are often used to provide solutions for flow shop scheduling problems.the performance of a heuristic is usually judged by comparing solutions and run times on test cases.this investigation proposes an analytical alternative ,called asymptotic convergence ,which tests the convergence of the heuristic to a lower bound as problem size grows. the test is a stronger variation of worst cas...

Journal: :Physica A: Statistical Mechanics and its Applications 2016

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