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A Topology-Awareload Balancing Scheme in Data Center Networks

Thesis Info

Access Option

External Link

Author

Tahir Abbas

Institute

Virtual University of Pakistan

Institute Type

Public

City

Lahore

Province

Punjab

Country

Pakistan

Thesis Completing Year

2019

Thesis Completion Status

Completed

Subject

Software Engineering

Language

English

Link

http://vspace.vu.edu.pk/detail.aspx?id=340

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676721027714

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Datacenter networks are playing vital role to accommodate huge amount of data transmission such as in Giga/Tera bytes on multiple links. With this inevitable data transmission, some uncertainties like dynamic traffic behaviour, topology asymmetry and link failure, are major issues faced by Datacenter which result in poor performance. To handle such link failures in Datacenter network, load balancing scheme should be accurate especially path sensing and timely responses to mitigate the fallouts. Different solutions have been proposed to overcome these issues. Some of the proposed techniques are unaware about path conditions. They reroute at fixed data rate blindly. Others were capable for sensing the path condition but rerouting and adjusting the load balancing is very slow which degrade the performance. One of the good technqiue for solving the load balacing problem in Datacenter networks where multipath exits for higher data rate (parallel transmisson). That research required hardware changes, particularly for acqiuring accorate congestion feedback from end host and taking adaptiving decision for load balancing. Thus they can?t react timely to these uncertainties which results in reasonable performance degradation; especially in the worst situation to detect some issues like randomly packets drop as well as throughput of the channel. In this research, a solution has been proposed which focusses on two things (1) accurate timely acknowledgement of packet delivery, (2) Current load on each link. In our proposed work there is no need of hardware changes. We have achieved accurate response of acknowledgments of each packet delivery. This proposed scheme have been implemented using NS3 simulator. The results has been compared with the other existing solutions.
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اقتدار اور اسیری

اقتدار اور اسیری

ذوالفقار علی بھٹو شہید نے صرف چار سال اور بیس دن سیاست جبکہ پانچ سال ،چھ ماہ اور پندرہ دن حکومت کی جس کے بعد پھانسی کی سزا ہوئی ۔تحریک ،قتدار اور اسیری کا یہ  کل دورانیہ بارہ سال اور پانچ دن ہے ۔نواز شریف کو سیاست میں تیس برس گزر چکے ہیں ۔مولانا فضل الرحمن کو سینتیسواں سال ہے اور عمران نیازی کو بائیس سال ۔

ذوالفقار علی بھٹو شہید کو پھانسی دینے والے ڈکٹیٹر کو بھی قتدار کے گیارہ سال ایک ماہ اور بارہ دن ملے مگر ان میں سے کوئی بھی ذوالفقار علی بھٹو شہید کا متبادل نہ بن سکا ۔اب یہ بھٹو کا کرشمہ ہے  یا بھرپور طاقت اور وقت ملنے کے باوجود متبادل بننے کی کوشش کرنے والے لیڈروں کی نااہلی کہ بھٹو زندہ ہے ۔

دنیا کی تاریخ میں بہت کم ایسے لیڈر ہیں جنہوں نے اتنے گہرے اثرات مرتب کیے ہیں ۔ایسا صرف مذہبی تحریکوں میں ممکن ہوا ہے یا بھٹو نے ممکن کر دکھایا ہے ۔بھٹو ضدی تھا ۔اسے جب تک تسلیم نہیں کیا جائے گا اور وہ اپنی جنگ جیت یگا ۔کہیں لکھ کر رکھ لیں وہ مرنے والا نہیں ۔ذوالفقار علی بھٹو شہید نے کہا تھا کہ آخری قہقہہ عوام کا ہو گا ۔

مجھے لگتا ہے کہ پاکستان کے عوام ادھر وہ قہقہہ لگائیں گے اور ادھر بھٹو آنکھ مار کر مر جائے گا ۔ذوالفقار علی بھٹو شہید صرف پاکستان پیپلز پارٹی کی پراپرٹی نہیں ہے بلکہ یہ پاکستان کی پراپرٹی بھی ہے ۔وہ ہمارا منتخب وزیر اعظم تھا ۔ہمیں دوسرے خطوں سے ہیروز امپورٹ کر نے پڑتے ہیں ۔بھٹو ہمار ا وہ مقامی ہیرو ہے جسے ہم دنیا میں ایکسپورٹ کرتے ہیں ۔

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Chemical Synthesis, Characterization and Biomedical Applications of Metallic Nanoparticles

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