4.1 change in syntax suggests that Othello

4.1
1. In lines 1-22, Iago is making Othello imagine Desdemona and Cassio in bed together. He then brings up the lost handkerchief to anger Othello, because he knows that Othello is doing his best to forget about it.”O, it comes o’er my memory As doth the raven o’er the infectious house, Boding to all”. This quote here is about Othello wishing that he could forget about the lost handkerchief. The plague reference is referring to the fact that Iago is infecting Othello’s mind with poison. The change in syntax suggests that Othello is not in control of himself and his thoughts.
2. Iago tells Othello to hide so that he can overhear a conversation between Iago and Cassio, where Cassio will clearly incriminate himself by talking loosely about Desdemona. Othello thinks this is a wonderful idea, and says he’ll listen. Iago then tells the audience his real plan. He says that he’ll talk in veiled terms to Cassio about Bianca, whom Cassio takes very lightly. Othello, hearing the conversation, is bound to think Cassio is making light of his wife, Desdemona.
3. Iago brings up Bianca, in all her pathetic ardor. Cassio, of course, laughs about how much the woman loves him, how desperate she is, and how easily beguiled she has been by his false intentions of marriage. Cassio says that “she” follows him everywhere. He was chatting with some guys on the waterfront the other day when “she” came and started hanging all over him. Bianca helps move Iago’s plan forward. Bianca throws Desdemona’s handkerchief in Cassio’s face. Othello recognizes the handkerchief because he gave it to Desdemona and this was the ocular proof that Othello was looking for.
4. Iago says, “Do it not with poison. Strangle her in her bed, even the bed she hath contaminated.” He advocated this particular means of death because Othello will have to physically kill Desdemona and make her suffer.
4.2
1. Othello tries to get Emilia to confess that Desdemona and Cassio are having an affair. Emilia tells him that he’s crazy—she has observed Cassio and Desdemona every minute they’ve been together, and nothing remotely suspicious has happened. Othello says,”Yes, you have seen Cassio and she together.” Emilia then says, “But then I saw no harm, and then I heard Each syllable that breath made up between them.”
2. Desdemona is basically Othello’s heart to him. She gives him a reason to live in the terrible society he lives in. Infidelity kills Othello’s heart and its the one thing that he cannot tolerate.
3. Othello gives Emilia money to keep her mouth shut about what has gone down between Desdemona, Emilia, and him. “There’s money for your pains.He gives her money.I pray you turn the key and keep our counsel.”
4. Desdemona asks Emilia to put her wedding sheets on her bed. She does because the wedding sheets have proof that she isn’t unfaithful and that she’s only slept with Othello.
5. Emilia tells Iago that Othello has called Desdemona a whore and all types of demoralizing names. Iago pretends to not know why Othello would behave this way and begs Desdemona to stop crying. Emilia also suggests that it could only be some really evil person, seeking his own self-interest, that plied Othello with lies about Desdemona’s faithfulness in order to make him jealous. This right here shows that Emilia believes in humanistic values because she seeking rational ways to solve Desdemona’s problems.
6. Iago tells Roderigo that Othello’s been called back to Venice, and Cassio is going to replace him in Cyprus. All they have to do is “get rid” of Cassio and Roderigo will have Desdemona all to himself. They are planning to kill Cassio.
4.3
1. Othello tells Desdemona to get ready for bed. He says that he’ll be there soon and he tells her to send Emilia away.
2. Desdemona says, “So would not I. My love doth so approve him That even his stubbornness, his checks, his frowns—Prithee, unpin me—have grace and favor in them.” This amplifies tragedy because she’s saying that she loves Othello so much and that she would rather be with him even when he’s acting differently than live without him.
3. After Othello strikes Desdemona, Emilia and Desdemona have a discussion about males infidelity. Emilia says that men are unfaithful because they want power and they’re driven by their weaknesses and insecurities.

4.1
1. In lines 1-22, Iago is making Othello imagine Desdemona and Cassio in bed together. He then brings up the lost handkerchief to anger Othello, because he knows that Othello is doing his best to forget about it.”O, it comes o’er my memory As doth the raven o’er the infectious house, Boding to all”. This quote here is about Othello wishing that he could forget about the lost handkerchief. The plague reference is referring to the fact that Iago is infecting Othello’s mind with poison. The change in syntax suggests that Othello is not in control of himself and his thoughts.
2. Iago tells Othello to hide so that he can overhear a conversation between Iago and Cassio, where Cassio will clearly incriminate himself by talking loosely about Desdemona. Othello thinks this is a wonderful idea, and says he’ll listen. Iago then tells the audience his real plan. He says that he’ll talk in veiled terms to Cassio about Bianca, whom Cassio takes very lightly. Othello, hearing the conversation, is bound to think Cassio is making light of his wife, Desdemona.
3. Iago brings up Bianca, in all her pathetic ardor. Cassio, of course, laughs about how much the woman loves him, how desperate she is, and how easily beguiled she has been by his false intentions of marriage. Cassio says that “she” follows him everywhere. He was chatting with some guys on the waterfront the other day when “she” came and started hanging all over him. Bianca helps move Iago’s plan forward. Bianca throws Desdemona’s handkerchief in Cassio’s face. Othello recognizes the handkerchief because he gave it to Desdemona and this was the ocular proof that Othello was looking for.
4. Iago says, “Do it not with poison. Strangle her in her bed, even the bed she hath contaminated.” He advocated this particular means of death because Othello will have to physically kill Desdemona and make her suffer.
4.2
1. Othello tries to get Emilia to confess that Desdemona and Cassio are having an affair. Emilia tells him that he’s crazy—she has observed Cassio and Desdemona every minute they’ve been together, and nothing remotely suspicious has happened. Othello says,”Yes, you have seen Cassio and she together.” Emilia then says, “But then I saw no harm, and then I heard Each syllable that breath made up between them.”
2. Desdemona is basically Othello’s heart to him. She gives him a reason to live in the terrible society he lives in. Infidelity kills Othello’s heart and its the one thing that he cannot tolerate.
3. Othello gives Emilia money to keep her mouth shut about what has gone down between Desdemona, Emilia, and him. “There’s money for your pains.He gives her money.I pray you turn the key and keep our counsel.”
4. Desdemona asks Emilia to put her wedding sheets on her bed. She does because the wedding sheets have proof that she isn’t unfaithful and that she’s only slept with Othello.
5. Emilia tells Iago that Othello has called Desdemona a whore and all types of demoralizing names. Iago pretends to not know why Othello would behave this way and begs Desdemona to stop crying. Emilia also suggests that it could only be some really evil person, seeking his own self-interest, that plied Othello with lies about Desdemona’s faithfulness in order to make him jealous. This right here shows that Emilia believes in humanistic values because she seeking rational ways to solve Desdemona’s problems.
6. Iago tells Roderigo that Othello’s been called back to Venice, and Cassio is going to replace him in Cyprus. All they have to do is “get rid” of Cassio and Roderigo will have Desdemona all to himself. They are planning to kill Cassio.
4.3
1. Othello tells Desdemona to get ready for bed. He says that he’ll be there soon and he tells her to send Emilia away.
2. Desdemona says, “So would not I. My love doth so approve him That even his stubbornness, his checks, his frowns—Prithee, unpin me—have grace and favor in them.” This amplifies tragedy because she’s saying that she loves Othello so much and that she would rather be with him even when he’s acting differently than live without him.
3. After Othello strikes Desdemona, Emilia and Desdemona have a discussion about males infidelity. Emilia says that men are unfaithful because they want power and they’re driven by their weaknesses and insecurities.

4.1 Evaluated Result:
Simulator Validation: In order to validate the performance of this study author has adjusted the parameters of table 4 with the real world deployed blockchain. For determining the stale block rate author has crawled 24000 Bitcoin,1000,000 Litecoin and 240,000 Dogecoin blocks. The performance achieved from this model is quite like the real world blockchain. Stale block rates of Dogecoin and Litecoin are particularly close and Bitcoin’s stale block rate falls in some cases like where relay network and unsolicited block push is not used by miner.

Figure 17: Geographical Location of Bitcoin miner’s in study simulator.

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Block Interval: Author has tested block interval with a range of .5 sec to 25 minutes in the simulator. It is tested for four different block request management system namely 1. Standard block request management 2. Standard block request management enhanced by unsolicited block push from miners 3. Standard propagation mechanism with relay network 4. Send header mechanism with unsolicited block push and relay network.

For standard block request management system with 10 minutes block interval study simulator produces stale block rate 1.85 % in compare to 1.69 % reported by Wattenhoffer.

Stale block rate reduces significantly after introduction of unsolicited block push for miner because of two main reason—a. miners profit most out of unsolicited block push because they are interconnected b. propagation method is crucial to reach the majority of the network rapidly. To measure the impact of the block interval author has feed the resulting stale block into MDP models. It is found for an adversary with 30% of total mining power relative revenue is inversely proportional to consensus time.

Impact of Block Size: From the study it is found block propagation time has linear relationship with block size. But this linear relationship is valid up to 4 MB block size. From 4 MB to 8 MB stale block rate increases exponentially with propagation times. If block size increases relative revenue of selfish miner also increase but double spending value decreases. Author has also found efficient block propagation mechanism to increase the security of the block chain. The results of this study for four previously discussed block request management system is shown in the table 5.

Table 5: Impact of the block size on the median block propagation time (tMBP) in seconds
The stale block rate is rs, vd and rrel, given the current Bitcoin block generation interval and an adversary with ? = 0.3 and k = 6.

Throughput: Author has varied block size (.1 MB-8 MB) and block interval (.5 second-25 Minutes) to capture different blockchain throughput. Throughput is calculated in transaction per second (tps). Stale block rate and infer are represented with vd and rrel. The result author has got is shown in the below table -6.

Table 6: Impact of throughput for K=6 and 16 mining pool with 30% adversarial mining power.

From this table it can be seen 60tps throughput can be achieved with existing security in the bitcoin by changing the input parameters like block size and block interval.
5. Conclusion: In this study author has proposed a quotative framework to measure the security and performance of different POW based blockchains. The impact of network level parameters on the security of blockchain is evaluated in this study. From the study it is found 37 Ethereum block confirmation equals 6 Bitcoin block confirmation. It means Bitcoin blocks are more secured than Ethereum’s. It is also proved that 60 tps of Bitcoin throughput can be achieved without sacrificing the existing security by varying input the parameters.

6.Reference:
1. On the Security and Performance of Proof of Work Blockchains by Arthur Gervais, Ghassan O. Karame, Karl Wüst, Vasileios Glykantzis, Hubert Ritzdorf, Srdjan ?Capkun.

2. Shai Rubin What is blockchain –youtube
3. steemit.com
4. cryptocompare.com
5. https://medium.com/@chrshmmmr/a-guide-to-dishonesty-on-pow-blockchains-when-does-double-spending-pays-off-4f1994074b52

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