Повышение эффективности работы Microsoft Hyper - V Live Migration на расстоянии.

Описано переваги технології віртуалізації Microsoft Hyper-V для веб-орієнтованого програмного забезпечення. Досліджено залежність параметрів середовища на процес Live Migration. Реалізовано архітектуру, при якій процес Live Migration показує ефективність роботи, достатню для використання його в якості інструменту управління великими обсягами обчислювальних потужностей в реальному часі.Advantages of Microsoft Hyper-V virtualization technology for web-oriented applications are described. Environment parameters dependence on the process of Live Migration is studied. Architecture is implemented where the process of Live Migration shows sufficient performance to be used as a tool for managing large amounts of computing power in real time.Описаны преимущества технологии виртуализации Microsoft Hyper-V для веб-ориентированных приложений. Исследована зависимость параметров среды на процесс Live Migration. Реализовано архитектуру, при которой процесс Live Migration показывает эффективность работы, достаточную для использования его в качестве инструмента управления большими объемами вычислительных мощностей в реальном времени

The futures of rural migration in sub-Saharan Africa: A literature review and exploratory essay

In a context where 200 million more people are expected to live in sub-Saharan Africa (SSA) alone by 2050, the question of the futures of SSA rural migration is of crucial importance in a region which so far as remained essentially rural, in spite of a growing urbanization process. The first aim of this paper is to undertake a comprehensive review of the literature on the futures of rural migration in SSA. Drawing from 37 studies it provides a picture of anticipated drivers and migration patterns. It shows also that to our knowledge, rural migration in SSA is still largely an underexplored field of research. The second aim of this paper is therefore to provide some more insights about this question developing an essay drawing from general knowledge about population flows and specific scenario work connecting alternative global world orders and plausible scenarios of rural transformation into three alternative narratives about rural migration in SSA. This anticipatory work, with no predictive intention, provides some elements of thought regarding future migration patterns and briefly discuss governance-related implications

Migration in Arctic Alaska: Empirical Evidence of the Stepping Stones Hypothesis

This paper explores hypotheses of hierarchical migration using data from the Alaskan Arctic. We focus on migration of Iñupiat people, who are indigenous to the region, and explore the role of income and subsistence harvests on migration. To test related hypotheses we use confidential micro-data from the US Census Bureau’s 2000 Decennial Census of Population and Income and generate migration probabilities using a mixed multinomial and conditional logit model. Our findings are broadly consistent with Ravenstein’s (1885) early hypothesis of step-wise migration; we find evidence of step-wise migration, both up and down an urban and rural hierarchy. We also find that where migrants choose to live is a function of place, personal, and household characteristics.Migration, Hierarchical Migration, Rural to Urban Migration, Arctic Alaska

Molecular signatures of cell migration in C. elegans Q neuroblasts.

Metazoan cell movement has been studied extensively in vitro, but cell migration in living animals is much less well understood. In this report, we have studied the Caenorhabditis elegans Q neuroblast lineage during larval development, developing live animal imaging methods for following neuroblast migration with single cell resolution. We find that each of the Q descendants migrates at different speeds and for distinct distances. By quantitative green fluorescent protein imaging, we find that Q descendants that migrate faster and longer than their sisters up-regulate protein levels of MIG-2, a Rho family guanosine triphosphatase, and/or down-regulate INA-1, an integrin alpha subunit, during migration. We also show that Q neuroblasts bearing mutations in either MIG-2 or INA-1 migrate at reduced speeds. The migration defect of the mig-2 mutants, but not ina-1, appears to result from a lack of persistent polarization in the direction of cell migration. Thus, MIG-2 and INA-1 function distinctly to control Q neuroblast migration in living C. elegans

Rapid identification and differentiation of the vaccine strain Rac H from EHV 1 field isolates using a non-radioactive DNA probe

A method for rapid differentiation between the EHV 1 live vaccine strain Rac H and field isolates is described. Total DNA was isolated from virus-infected small scale cell cultures. DNA fragments digested with restriction endonuclease BamHI were separated, transfered and immobilized on filter membranes. A Digoxigenin-labeled probe derived from EHV 1 was used for hybridization. This probe hybridized specifically to sequences of the inverted terminal repeat region which in case of Rac H include a deletion of 0.8 kb. By comparing the different migration patterns after blot hybridization it could be shown that in 65 isolates from cases of abortion the live vaccine strain Rac H was not involve

What do we Know about the Relationship between Regionalized Aspects of the Unemployment Insurance System and Internal Migration in Canada?

The purpose of this paper is to critically review the past four decades of empirical research on the relationship between internal migration and regional variation in the generosity of Canada’s unemployment insurance system. It has long been argued that because the Canadian insurance system is more generous towards people who live in relatively disadvantaged regions, it retards the out-migration that is part of the market process, thereby slowing economic development and contributing to the persistence of regional inequality in earned incomes. The survey shows, however, that there is no evidence in the empirical literature that regional variation in the generosity of the insurance system has altered internal migration patterns in Canada in a substantial manner.regional variation in unemployment insurance generosity, internal migration, interprovincial migration, earned income, comprehensive income differentials, index of insurance generosity, labour market attachment, conditional logit model

Natural Experiment Evidence on the Effect of Migration on Blood Pressure and Hypertension

Over 200 million people live outside their country of birth and experience large gains in material well-being by moving to where wages are higher. But the effect of this migration on health is less clear and existing evidence is ambiguous because of the potential for self-selection bias. In this paper, we use a natural experiment, comparing successful and unsuccessful applicants to a migration lottery to experimentally estimate the impact of migration on measured blood pressure and hypertension. Hypertension is a leading global health problem, as well as being an important health measure that responds quickly to migration. We use various econometric estimators to form bounds on the treatment effects since there appears to be selective non-compliance in the natural experiment. Even with these bounds the results suggest significant and persistent increases in blood pressure and hypertension, which have implications for future health budgets given the recent worldwide increases in immigration.blood pressure, hypertension, lottery, migration, natural experiment