Thursday, November 28, 2019

Risks, Threats and Vulnerabilitites of Social Networks and Web Applications Essay Sample free essay sample

Certification OF AUTHORSHIP: I certify that I am the writer of this paper/project and that any aid I received in its readying is to the full acknowledged and disclosed in the paper. I have besides cited any beginnings from which I used informations. thoughts. or words. either quoted straight or paraphrased. I besides certify that this paper/project was prepared by me specifically for this class. Student Signature ( electronic ) Barry S Krembs II AbstractionWhile Social Media and Web Services are a portion of life and an mundane happening. it is obvious that the menaces of utilizing these avenues. wrought with danger and merely the most persevering observation prevents a system from being compromised if it is a mark. Zero-Day feats. Session Hacking. Email coup detats. â€Å"Botnets† have become a manner of life. and covering with these is critical to keeping control of your computing machine. Cybercrime evolved from a return of one billion dollars in 2007 to over one trillion dollars in 2009 ( Imperva. We will write a custom essay sample on Risks, Threats and Vulnerabilitites of Social Networks and Web Applications Essay Sample or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page 2010 ) . See that it is quadruplicate that now and that no 1 is safe. non even Presidents or Presidential Candidates. The Bamital botnet took over one million dollars a twelvemonth and controlled 100s of 1000s of computing machines before it was taken down by Microsoft and Symantec last hebdomad ( Finkle. 2013 ) â€Å"The most critical thing is that you have people looking. observation and utilizing their encephalon. † Stated by Ryan Barnett. Director of application security research in 2010 ( Westervelt. 2010 ) . It is imperative that Web Applications have firewalls and that these are supplying the basic protection from Technical Web Attacks. Business Logic Threats. Online Fraud. Network Security. and understand how these Firewalls are Strategic for Business ( Imperva. 2012a ) . Project ScopeWhile Social Media and Web Services are a portion of life and an mundane happening. it is obvious that the menaces of utilizing these avenues. wrought with danger and merely the most persevering observation prevents a system from being compromised if it is a mark. Zero-Day feats. Session Hacking. Email coup detats. â€Å"Botnets† have become a manner of life. and covering with these is critical to keeping control of your computing machine. Cybercrime evolved from a return of one billion dollars in 2007 to over one trillion dollars in 2009 ( Imperva. 2010 ) . Attackers design malicious applications utilizing free interfaces with societal media and shooting their ain codifications into topographic points that have loopholes and mistakes ( Westervelt. 2010 ) . Zero-Day FeatsThese feats take advantage of exposures that the package seller does non cognize about Lashkar-e-Taiba entirely forestall. Hackers formulate different fluctuations of Malware to take advantage of these countries before the Developers can piece and protect against these exposures ( Wikipedia. 2013 ) . Oracle’s Java is an illustration of an application that is vulnerable. Their latest spot JAVA 7 Update 11 is in topographic point to forestall up to fifty of these exposures as it merely late experienced some of these feats. Many users are disenabling this application in a Browser scene. comparing it to â€Å"Kissing a black rat. in London. during the pestilence. † As stated in the Inquirer ( Neal. 2013 ) . Session ChopingRecently. there has been an addition in the highjacking of Sessionss and therefore doing a Hacker the ability to take over a User’s session while they are telling something and being able to go on minutess on a vulnerable Web application. These minutess are ensuing in the development of resources of the Web site and of the Credit Card Providers for these users after the User’s reaches their responsible per centum rapidly. The Hacker uses their methods to work found exposures or have a User chink on an application that allows them to take control undetected while the user continues their shopping. Once the User marks off and leaves the dealing it purportedly closes its session. the Hacker suspends the dealing until the seashore is clear and so continues undetected. ( Imperva. 2012b ) . E-Mail Coup detatElectronic mails can be hacked by assorted methods. and no 1 is immune. Recently even Presidents G. H. and G. W. Bush have had their electronic mails hacked and information downloaded ( Kim. 2013 ) . ( Rumors. 2013 ) . By utilizing different methods and the cyberspace. Hackers are utilizing Social Engineering. Google Hacking and Workplace Sabotage from a dissatisfied former employee or 1s who feels that they have an unfairness done to them and are motivated for retaliation ( Link. 2013 ) . BotnetsA Botnet is a Server system under Hacker control and takes over a computing machine without the user’s cognition. Once a User chinks on a poster or application for a on a regular basis used point on the Web that is infected. a concealed codification injects an application into their computing machine. It so clicks on wage per chink ads that they charge to companies for each chink. These Botnets can do these actions wholly incognizant by the User. passes this on to their email contacts. and webs accessed ( Finkle. 2013 ) . Web SecuritiesTaking into consideration of the recent yesteryear. it is imperative that Web Applications have firewalls and that these are supplying the basic protection from Technical Web Attacks. Business Logic Threats. Online Fraud. Network Security. and understand how these Firewalls are Strategic for Business ( Imperva. 2012a ) . They have to supply at least these 10 things to guarantee the safety of a concern firewall. They have to understand the protection bed of a given application. They have to remain in front of the Hackers that are seeking to get the better of them. They have to include an Analytic Engine that will queer Hackers in their efforts. With the usage of mechanization and repeated onslaughts. they have to be able to acknowledge and halt these before they do damage. They have to acknowledge the difference between a client and a malicious onslaught. Patch exposures upon find and make this piece running the application in a practical environment for security grounds . Stoping these Malware onslaughts is critical to a concern environment. Protection against payment and on-line history fraud is critical. Real clip support and the ability to run in the Cloud are important to functionality. Finally. the ability to automatize policies and deployments when seconds count is the difference in go oning to work as a concern ( Imperva. 2012a ) . DecisionWhile Social Media and Web Services are a portion of life and an mundane happening. it is obvious that the menaces of utilizing these avenues. wrought with danger and merely the most persevering observation prevents a system from being compromised if it is a mark. The lone protection out there is cognition of the possibilities that are against you. We see how Zero-Day feats. Session Hacking. Email coup detats. â€Å"Botnets† have become a manner of life. and covering with these is critical to keeping control of your computing machine. Cybercrime evolved from a return of one billion dollars in 2007 to over one trillion dollars in 2009 ( Imperva. 2010 ) . See that the bets are quadruplicate that now and that no 1 is safe. non even Presidents G. H. and G. W. Bush or Presidential Candidates such as Sarah Palin are proof that they are out at that place and ready to strike if the mark is good. The Choping industry has moved its focal point from interrupting margin defences i nto a more moneymaking concern of traveling after informations and the fiscal avenues associated with it ( Imperva. 2013 ) . Protection systems with frequent updates are critical more now yearss than of all time. Microsoft and Symantec are making it one-step farther and offering to take the Malware from these computing machines that are under control. The User receives a message that states. â€Å"You have reached this web site because your computing machine is really likely to be infected by malware that redirects the consequences of your hunt questions. You will have this presentment until you remove the malware from your computing machine. † Microsoft has taken down Botnets six times now since 2010 ( Finkle. 2013 ) . â€Å"The most critical thing is that you have people looking. observation and utilizing their encephalon. † Stated by Ryan Barnett. Director of application security research in 2010 ( Westervelt. 2010 ) . You should update your Java every bit frequently as it is available due to exposures. If you want to and I do propose it. you can disenable Java by utilizing the Control Pan el in your computing machine and enable it merely when you need it. Ever since Update 10 from Java. there is. a checkbox titled â€Å"Enable Java content in the browser. † Check out this mention if you need it for other browsers to map ( Rubenking. 2013 ) . Mentions Imperva. ( 2010 ) . The industrialisation of choping. Retrieved from hypertext transfer protocol: //www. imperva. com/docs/WP_Industrialization_of_Hacking. pdf Finkle. J. ( 2013. February 07 ) . Exclusive: Microsoft and symantec disrupt cyber offense ring. Retrieved from hypertext transfer protocol: //news. yokel. com/exclusive-software-makers-disrupt-cyber-ring-halt-searches-201207523–finance. hypertext markup language? . tsrc=samsungwn Westervelt. R. ( 2010. January 12 ) . Social networks face user content hazards. web application exposures. Retrieved from hypertext transfer protocol: //searchsecurity. techtarget. com/news/1378724/Social-networks-face-user-content-risks-Web-application-vulnerabilities Neal. D. ( 2013. January 14 ) . Oracle issues hot spot for zero twenty-four hours Java feat. Retrieved from hypertext transfer protocol: //www. theinquirer. net/inquirer/news/2236028/oracle-issues-hot-patch-for-zero-day-java-exploit Imperva. ( 2012a ) . The hereafter of web sec urity ; 10 things every web application firewall should supply. Retrieved from hypertext transfer protocol: //www. imperva. com/docs/WP_10_Things_Every_Web_Application_Firewall_Should_Provide. pdf Imperva. ( 2012b ) . Retrieved 07/Feb/2013 from hypertext transfer protocol: //www. imperva. com/resources/glossary/session_hijacking. html Wikipedia. ( 2013. January 21 ) . Zero-day onslaught. Retrieved from hypertext transfer protocol: //en. wikipedia. org/wiki/Zero_day_attack Kim. E. K. ( 2013. February 08 ) . Hacker accesses email history of George h. w. shrub. Retrieved from hypertext transfer protocol: //todaynews. today. com/_news/2013/02/08/16897728-hacker-accesses-email-account-of-george-hw-bush? light Rumors. ( 2013. February 08 ) . Rumor: Hacker exposes bush household exposures. electronic mails. Retrieved from hypertext transfer protocol: //news. msn. com/rumors/rumor-hacker-exposes-bush-family-photos-emails Link. M. ( 2013. February 10 ) . Punishments for choping electronic ma il. Retrieved from hypertext transfer protocol: //www. ehow. com/about_5250531_penalties-hacking-email. hypertext markup language Rubenking.

Sunday, November 24, 2019

Ezzz Essays - Logic Families, Digital Electronics, Free Essays

Ezzz Essays - Logic Families, Digital Electronics, Free Essays Ezzz Discussion: A logic gate performs a logical operation on one or more logic inputs and produces a single logic output. The logic is called Boolean logic and is most commonly found indigital circuits. Logic gates are primarily implemented electronically using diodes or transistors, but can also be constructed using electromagnetic relays (relay logic), fluidic logic, pneumatic logic, optics, molecules, or even mechanical elements. The simplest form of electronic logic is diode logic. A Digital Logic Gate is an electronic device that makes logical decisions based on the different combinations of digital signals present on its inputs. A digital logic gate may have more than one input but only has one digital output. Standard commercially available digital logic gates are available in two basic families or forms, TTL which stands for Transistor-Transistor Logic such as the 7400 series, andCMOS which stands for Complementary Metal-Oxide-Silicon which is the 4000 series of chips. This notation of TTL o r CMOS refers to the logic technology used to manufacture the integrated circuit, (IC) or a "chip" as it is more commonly called.

Thursday, November 21, 2019

Women in camps Essay Example | Topics and Well Written Essays - 500 words

Women in camps - Essay Example Jewish women had to suffer from brutal torture for being female. They were kept naked, and were beaten. Their heads were shaven off. Pregnant women and those who had little children were not selected to work, and were left to die. The Nazis conducted medical experiments on them forcefully. They were given involuntary sterilizations and forced abortions. â€Å"At least 40,000 people were forcefully sterilized, with 5,500 women dying after being sterilized,† states Avraham (2014, par.2). Although Nazis had passed legislation against any sort of sexual relations with Jewish women, yet they would rape them on regular basis after abducting them from streets. They were subjected to forced labor and sexual abuse. Some of them were also sent to Nazi brothels forcefully where they were subjected to rape and sexual assault. Men and women were forced into Philippine concentration camps during the Philippine-American war in early 1900s. They were promised that they would be provided food and security, but they suffered from the worst genocide and torture. Women suffered from starvation and disease. â€Å"By the end of the war, it was reported that 27,927 Boers (of whom 26,251 were women and children, of which 22,074 were children under 16) had died of starvation, disease and exposure† (AngloBoerWar.com, 2014, par.4). Malaria, cholera and dysentery were the main killers. Where males were buried alive and suffocated to death using water cure torture, women were left to die of disease and malnutrition. The Cuban Holocaust saw genocide in Cuban concentration camps in 1896-97 during the Spanish-American war. â€Å"The concentration camps contained more women, children, and the aged†¦they also died of malnutrition and disease,† states Perez (2006, p.197). Women sent the male members of their families to the war willingly despite knowing that they would be left without protection. The Spanish had claimed that they would look after them

Wednesday, November 20, 2019

Part 2 - Health promotion edit Essay Example | Topics and Well Written Essays - 500 words

Part 2 - Health promotion edit - Essay Example Indeed, homosexuals are too vulnerable to be abused by their families, particularity because of the customs and traditions of Lebanese society, according to which people keep living with their families even when they are adult. Once might think that only women are subject to, honor crimes, but homosexuals are also victims of such crimes. Even though different charges and penalties which are issued on imposed on homosexuals and the government attempts to frustrate them, they are still fighting for their rights performing a remarkable achievements supporting LGBT on the social and political class. Indeed, many NGO’s, which call for human rights, placed the issue of homosexuality on their top list. MIRSAD is a governmental and private organization that is concerned with the issues of human rights as they aim to spread awareness on the Lebanese society in order to create democracy and equality. In one of the cases the MIRSAD defended protested against the police operation as they arrested and integrated with the owner of the one of the LGBT website. As a result the MIRSAD was not able to achieve successes as their director was also arrested for protesting (10). However, the organization did not stop supporting LGBT and human right issues. Another organization is Helem, which aim to spread awareness about sexual d isease such as HIV and STIs. Indeed, Helem mostly tend to focus on the right and health of LGBT. In fact, Helem state that their belief is to â€Å"consistently promoted the idea that knowledge is the key to openness, tolerance and acceptance† by educating Lebanese society about homosexuality and their rights. In addition, Helem educates the public and policymakers through offering real data, arranging effective dialogues, events, workshops, lectures and media. Furthermore, with the rejection of the public to LGBT individuals, they created their own private internment environments hidden from the public eyes. Besides the

Sunday, November 17, 2019

Nurturing the Childrens Spirituality in the Learning Process Essay

Nurturing the Childrens Spirituality in the Learning Process - Essay Example In such a way they are able to maintain compassionate and balance learning process to make them pro-active in school activities. Through this, they are expected to enjoy social cohesion and harmony within and outside of the school. De Souza (2004) asserted that Values Education and Clarification have been considered by the state as significant to be integrated into the curriculum to teach learners moral values as an inspirational tool in defining their good relationship with the rest of humanity and creation. Since the 1960s, moral values are a significant parcel in the formation of the learners’ affective domains to integrate their emotional, attitudinal, values and beliefs’ constructions (De Souza, 2004). Experts believed that values and moral are derivatives of peoples’ emotive sense and, thus, are not viewed as relevant in their cognitive being (De Souza, 2004). Hence, it’s this dichotomy of human existence that made it confusing and difficult to arrive at a common understanding of values of education (De Souza, 2004). It’s in this context that experts dealt the dualism of educational philosophy: language and practice (De Souza, 2004). They adopted an educational pattern for cognitive development and for values education to develop a standard behavior and intelligence of learners and to nurture that sense of commitment among individuals based on virtue and values (De Souza, 2004; Lambert, 2003, Noddings, 2010). Some psychologists observed that this has been considered as an effective tool since historical experiences proved that the integration of values in improving learners’ intellectual pursuits made people resilient in times of recession, conflicts, and social upheavals and during wars (Cacioppe & Edwards, 2005; Glendinning, 2005; Gross, 2004).

Friday, November 15, 2019

Improving Resource Allocation for Data Center Overbooking

Improving Resource Allocation for Data Center Overbooking M.Ponmani Bharathi, C.Sindhuja, S.Vaishnavi, Ms.A.Judith Arockia Gladies Abstract Overbooking becomes feasible because user applications tend to overestimate their resources and requirements, that tends to utilize only a fraction of the allocated resources. Overbooking has to be carefully planned in order not to impact application performance. Resource utilization and Data centres utilization can be used in this overbooking scheduler. Data send can send from sources to destination via node. Resource utilization and allocated capacity can be increased by 50% with acceptable performance degradation. Fuzzy logic functions are used to check each overbooking decisions and estimate it. Changing the acceptable level of risk is depending on the current status of the cloud data centres. The suggested approach is extensively evaluated using a combination of simulations and experiments executing real cloud applications with real-life available workloads. Our results show a 50% increment at both resource utilization and capacity allocated with acceptable performance degradati on and more stable resource utilization over time. Keywords: Proportional Integral Derivative (PID), Mitigation algorithm, Greedy algorithm 1. Introduction Authors Data set for overbooking levels. It is collections of some Services and work loading data. The data that represents the collection of fields that will be returned when the data set query runs on the data source. Dataset fields represent the data from a data connection. A field can represent either numeric or non-numeric data. Main features provided by cloud is elasticity, allows users to dynamically adjust resources allocations depending on their current needs. The objective is to make an efficient use of available resources, overestimating the required capacity results in poor resource utilization. Factors contributing to lower the Data Centre Utilization: cloud provides predefined VM Sizes, which have fixed amount of CPU, memory Disk Etc. A set of distributed PID controllers are implemented to avoid performance degradation and to increase and keep the utilization evenly distributed among the servers. Overbooking addresses the utilization problems that cloud data centres face due to the elastic nature of cloud services. Overbooking has to be carefully planned in order not to impact application performance. It present an overbooking framework that performs admission control decisions based on fuzzy logic risk assessments of each incoming service deployment request. If delay beyond slack on critical path is initiated, then the completion time of the project may get delayed. Resource levelling is a method for smoothing a schedule that attempts to minimize the fluctuations in requirements for resources when the project completion time is fixed. Users are usually bad at estimating the requirements of their applications. This low resource utilization is a big concern for cloud data centred providers as data centres consume l ot of energy and are being used in a rather inefficient way. Energy consumption does not decrease linearly with resource usage. One way cloud providers can mitigate these resource utilization problems is by overbooking. The overbooking techniques always expose the infrastructure to a risk of resource congestion upon unexpected situations and consequently to SLA violations. This leads to: Overestimating the required capacity results in poor resource utilization. Lower income from consumers. The contrary, underestimating may lead to performance degradation and/or crashes. Overbooking is to address the utilization problems that cloud data centres face due to the elastic nature of cloud services. Overbooking has to be carefully planned in order not to impact application performance. It present an overbooking framework that performs admission control decisions based on fuzzy logic risk assessments of each incoming service deployment request. A set of distributed PID controllers are implemented to avoid performance degradation and to increase and keep the utilization evenly distributed among the servers. Overbooking within cloud data centres to increase resource utilization in a safe and balanced way. The cloud paradigm also introduces new obstacles for efficient resource management. The very large scale and multi-tenant nature of cloud infrastructures offers great potential for efficient multiplexing of different services. Our initial work on this problem include scheduling for better server utilization and admission control for capacity planning, getting an initial understanding of the overbooking problem and the risk evaluation, respectively. Cloud applications do not use the same amount of hardware resources all the time. This low resource utilization is a big concern for cloud data centred providers as data centres consume lot of energy and are being used in a rather inefficient way. One way cloud providers can mitigate these resource utilization problems is by overbooking. Figure 1 Overbooking Fuzzy Risk Assessment 2. Mitigation Algorithm for Reducing Service Level Mitigation method is used to avoid sun expected misbehaviors, such as reducing the service level of some services to avoid performance degradation. This Algorithm is used to collocate, reducing the performance degradation when overbooking. This algorithm also clear traffics for data center overbooking utilization. Proportional Integral Derivative (PID) controller is a generic control loop feedback mechanism. PID calculates the differences between the measured and desired set points attempts to minimize it by reading the control input.PID involves three parameter, Present error(P), Accumulated error(I), Prediction of error may occur (D). 1. Data Collection Dataset for overbooking levels is a collection of some Services and work loading data. The data that representing the collection of fields that will return when the dataset queries runs on the data source. Dataset fields represent the data from a data connection. A field can represent either numeric or non-numeric data. 2. Overbooking Overbooking is techniques used as a solution to poor resource utilization in cloud data centres. Overbooking is mainly used to handle the data centred resource utilization problems and overbooking. An implemented an autonomic overbooking framework. An autonomic framework that provides better application performance, avoiding over passing total capacity at any of the dimensions will be provided. 3. Resources Utilizations It determines the shortest project schedule with the limited resources available. 4. Schedule with collocation It presents a greedy approach that perform traffic-aware VM placement to increase the rate of accepted requests. It avoid repeating poor performance and to increase the chances of good collocations. VMs are suitable to be collocated for improved utilization and stable performance. 5. Prediction method The prediction step calculates a rough approximation of the desired quantity. The corrector step refines the initial approximation using another means. Overbooking system as well as admission control techniques when dealing with elastic services need insight in future resource usage. Service requirements to avoid performance degradation due to overloaded physical resources. 3. Distribution of PID Controller PID controlled this fact motivates the use of feedback to adjust the level of risk that the overbooking system is willing to face over time. We also evaluate the distributed controller approach when the data centre size is reduced to 128 cores. Furthermore, choosing an acceptable risk threshold has an impact on data centred utilization and performance. High thresholds result in higher utilization but the expense of exposing the system to performance degradation, whilst using lower values leads to lower but safer resource utilization. When overbooking CPU and I/O capacity, and a more realistic approach for the memory. The rationale for this is that problems resulting from CPU or I/O congestion are less critical than the ones coming from running out of memory. Therefore, the different risk degrees presented can be combined according to the situation, considered capacity dimensions, knowledge about the incoming service, etc. The risk assessment module gets no feedback about the current status and behaviour of the system, the current workload mixture, the data centre size, etc. In order to address this issue, we propose here a control theory approach that dynamically (re)adjusts risk thresholds depending on the system behaviour and the desired utilization n levels, allowing the admission control to learn over time depending on current system behaviour. PID Controller works properly if the performance is measured at the data centre level, obtaining a smooth utilization fluctuations (close enough to the target one) for each congested capacity dimension. However, the utilization of each server may vary from the accumulated utilization – even after applying load balancing techniques. This effect cannot be totally avoided as load imbalance is also caused by the current workload characteristics. To reduce load imbalance we propose a distributed controller approach where each physical server has its own PID controllers, one for each capacity dimension. 4. Related Techniques Mathematical models for SaaS providers to satisfy customers by leasing Cloud resources from multiple IaaS providers. It proposes three innovative admission control and scheduling algorithms for profit maximization by minimizing cost and maximizing customer satisfaction level. It demonstrates effectiveness of the proposed models and algorithms through an extended evaluation study by varying customer and provider side parameters to analyze which solution suits best in which scenario to maximize SaaS providers profit using actual IaaS data from Amazon and Go Grid. An extensive evaluation to study and analyze which solution suits best in which scenario to maximize SaaS provider’s profit. In-house hosting can increase administration and maintenance costs whereas renting from an IaaS provider can impact the service quality due to its variable performance. Dynamic consolidation of virtual machines (VMs) is an effective way to improve the utilization of resources and energy efficiency in cloud data centres. The problem of host overload detection by maximizing the mean inter migration time under the specified QoS goal based on a Markov chain model. Through simulations with workload traces from more than a thousand Planet Lab VMs, we show that our approach outperforms the best benchmark algorithm and provides approximately 88 percent of the performance of the optimal offline algorithm. The data center efficiency is been improved and more enterprises are been to consolidate the existing system. All system resources and centralizing resource management allow increasing overall utilization and lowering management costs. Server consolidation has emerged as a promising technique to reduce the data centre energy cost. We also present a distinguished analysis of an enterprise server workload from the perspective of consolidation and finding characteristics for it. Then observing a significant inherent for power savings if consolidation is performed using off-peak values for application demand. An implementation of the methodologies in a consolidation planning tool and provide a comprehensive evaluation study of the proposed methodologies. The size applications by an off-peak metric and place correlated applications together; there is a high risk of SLA capacity violation. If consolidation is performed by reserving the maximum utilization for each application, the application may require capacity equal to the size of its current entitlements. As per the size of the cloud increases, the anticipation that all workloads paralyze scale up to their maximum demands. In this observation multiplexing is allowed to access cloud resources among multiple workloads, resource information have been improved. Hosting virtualized loads such that available physical capacity is smaller than the sum of maximal demands of the workloads is referred to as over-commit or over-subscription. It computationally and storage efficiently, while maintaining sufficient accuracy. It is simple method of estimating total effective nominal demand of a cloud and uses it for capacity sizing and placement reservation plan that is compliant with SLA. 5. Conclusion Overbooking has to be carefully planned in order not to impact application performance. A set of distributed PID controllers are implemented to avoid performance degradation and to increase and keep the utilization evenly distributed among the servers. Feedback control is used to adapt the level of overbooking (risk threshold) that the cloud data centre has tolerating capacity. The utilization technique of data centre is not only increased in overall but also harmonized across hardware capacity dimensions and servers. A set of distributed PID controllers are implemented to avoid performance degradation and to increase and keep the utilization evenly distributed among the servers. References [1] A. Ali-Eldin, J. Tordsson, and E. Elmroth, â€Å"An adaptive hybrid elasticity controller for cloud infrastructures,† in Proc. of Network Operations and Management Symposium (NOMS), 2012, pp. 204–212. [2] A. Sulistio, K. H. Kim, and R. Buyya, â€Å"Managing cancellations and no-shows of reservations with overbooking to increase resource revenue,† in Proc. of Intl. Symposium on Cluster Computing and the Grid (CCGrid), 2008, pp. 267–276. [3] X. Meng, C. Isci, J. Kephart, L. Zhang, E. Bouillet, and D. Pendarakis,â€Å"Efficient resource provisioning in compute clouds via VM multiplexing,† in Proc. Intl. Conference of Autonomic Computing (ICAC), 2010, pp. 11–20. [4] Y. C. Lee and A. Y. Zomaya, â€Å"Energy efficient utilization of resources in cloud computing systems,† The Journal of Supercomputing, vol. 60, no. 2, pp. 268–280, 2012. [5] L. A. Barroso and U. Holzle, â€Å"The case for energy-proportional computing,† Computer, vol. 40, no. 12 pp. 33–37, 2007. [6] C. Mastroianni, M. Meo, and G. Papuzzo, â€Å"Probabilistic consolidationof virtual machines in self-organizing cloud data centers,† IEEE Transactions on Cloud Computing, vol. 1, no. 2, pp. 215–228, 2013. [7] T. Wo, Q. Sun, B. Li, and C. Hu, â€Å"Overbooking-based resource allocation in virtualized data center,† in Proc of 15th IEEE International Symposium on Object/Component/Service-Oriented Real-Time Distributed Computing Workshops (ISORCW), 2012, pp. 142–149. [8] L. Larsson, D. Henriksson, and E. Elmroth, â€Å"Scheduling and monitoring of internally structured services in cloud federations,† in Proc. of IEEE Intl. Symposium on Computers and Communications (ISCC), 2011, pp. 173–178. [9] D. Breitgand, Z. Dubitzky, A. Epstein, O. Feder, A. Glikson, I. Shapira, and G. Toffetti, â€Å"Pulsar: An adaptive utilization accelerator for iaas clouds,† in IEEE International Conference on Cloud Engineering (IC2E), 2014. [10] M. Dobber, R. van der Mei, and G. Koole, â€Å"A prediction method for job runtimes on shared processors: Survey, statistical analysis and new avenues,† Performance Evaluation, vol. 64, no. 7-8, pp. 755–781, 2007. M. Ponmani Bharathi, currently studying B.E. computer science and engineering in ultra college of Engineering and Technology for women at Madurai C sindhuja, currently studying B.E. computer science and engineering in ultra college of Engineering and Technology for women at Madurai S.vaishnavi, currently studying B.E. computer science and engineering in ultra college of Engineering and Technology for women at Madurai Ms.A.Judith Arockia Gladies received her bachelor’s degree (B.Tech-Bachelor of Information Technology) from Raja College of engineering and Technology, Madurai, and affiliated to Anna University, Chennai, and then did her Master Degree in computer science and engineering from Raja College Of Engg and Tech, Madurai. She is currently working as an Asst Prof in Ultra College of Engg Tech for Women, Madurai.

Tuesday, November 12, 2019

Theravadan Buddhism Essay -- essays research papers

Theravadan Buddhism Throughout history there have been numerous religions and theologies that men and women have entrusted their lives and ways of living to. One of the most intriguing is that of Buddhism. The great Buddha referred to his way as the middle way, and he, as the "Enlightened One" began the teachings of the religion with his first five Ascetics who he shows his middle way. This great occasion is the start to what will be known as Theravadan Buddhism. Although Theravadan Buddhism would later be seen as the "small vehicle," it provides the first idea of the doctrine anatman or having no-self that shapes the ideas of every Buddhist today. Theravadan Buddhism which means "The teaching of the elders," is the teaching of the Buddha in its true traditional form. After attaining enlightenment under the Bohdi tree, the Buddha returns to five ascetic monks he had been associated with previously. He taught them the essential parts of Buddhism which include the vital Four Noble Truths. These teachings were taught by monks, and they give the fundamental truths on which the religion was founded. These are the Four Noble Truths: (1) all life is inevitably filled with sorrow; (2) sorrow is directly due to craving; (3) sorrow can only be stopped by stopping the craving; and (4) this can be done only by disciplined and moral conduct with meditation led by the Buddhist monk. These truths show that the Buddhists saw all things as transient, and being transient there is no eternal Self or soul, hence anatman or no true self. While the Theravadan Buddhist practiced the idea of anatman, there were other movements that practiced the idea of atman or true self. The Upanishadic movement, which started about 300 years before the Theravadan practice, revolves around a story of a boy who Yama tells there is a self in everyone. This true self or atman is covered up by the illusion of an individual. As this way of thinking was being taught, people began to uprise and question if religion is worth it. This leads to many ascetic movements in which people leave their homes to be scavengers. Because this could be done by any it began to get very popular. The many ascetic movements gave rise to many different individual movements... ...low, I feel that all of these ways of life are flawed. In most of the religions only the higher classes can reach the supreme way of life. The regular people are stuck, and they can only help the monks or Brahmans to attain their goal. This seems very unfair even if they are producing good karma. In the Vedic religion the Shudras don't even have the option of studying the holy text. They have no chance of gaining entrance to another level of being until their next life. Theravadan belief of the being no true self is all together mind boggling. If there was no self then how can karma pass from one existence to another. It can't. Each period in time has new ways of thinking and viewing the world. India has been a place of many movements in the field of religion. These early ideas and practices of Theravadan monks can be seen as one of the many religious ideas of the past, that has in some places lasted to the present day. As is the case with all religion, it will be subject to scrutiny, questioning, and slander. While many may not see the Theravadan way of anatman as being right or even sane, it is their way of life and they should be respected for it.