Would you like to inspect the original subtitles? These are the user uploaded subtitles that are being translated: 1 00:00:00,420 --> 00:00:07,920 When talking about cloud, we actually talk about one of three types of cloud, and it's important to 2 00:00:07,920 --> 00:00:11,850 know the differences between the three types of cloud that we have. 3 00:00:12,180 --> 00:00:18,060 And the three types are public cloud, private cloud and hybrid cloud. 4 00:00:18,600 --> 00:00:20,870 And let's begin with public cloud. 5 00:00:21,480 --> 00:00:26,090 So the public cloud is a cloud that is set up in the public network. 6 00:00:26,460 --> 00:00:32,210 It is managed by large companies such as Microsoft, Amazon, Google and so on. 7 00:00:32,940 --> 00:00:35,340 It is accessible through the Internet. 8 00:00:35,340 --> 00:00:39,640 So we do not need a specialized internal network to access the cloud. 9 00:00:40,050 --> 00:00:47,580 It is also available to all clients and users and not only users of a specific organization, and the 10 00:00:47,580 --> 00:00:50,730 clients have no access to the underlying infrastructure. 11 00:00:51,060 --> 00:00:57,300 This is similar to what we discussed before in the previous lecture when we said that either with us 12 00:00:57,990 --> 00:01:02,120 or us, we don't have access to the underlying infrastructure of the cloud. 13 00:01:02,400 --> 00:01:06,820 We can only use resources that are built on this infrastructure. 14 00:01:07,320 --> 00:01:08,940 So this is a public cloud. 15 00:01:10,350 --> 00:01:19,080 The most popular public clouds are aways of Amazon, Azure of Microsoft, Google Cloud and IBM cloud. 16 00:01:19,530 --> 00:01:25,930 Of course, there are a lot more public cloud such as Oracle, Cloud, Alley, Cloud and so on. 17 00:01:26,760 --> 00:01:28,570 So this is the public cloud. 18 00:01:28,890 --> 00:01:30,900 Next is private cloud. 19 00:01:31,410 --> 00:01:35,490 Private cloud is a cloud set up in an organization's premises. 20 00:01:35,850 --> 00:01:43,350 It is managed by the organizations Atim and is accessible only in the organizations network. 21 00:01:43,770 --> 00:01:48,510 So naturally it's available only to users from the organizations. 22 00:01:48,840 --> 00:01:55,410 Other users, other external users that are not members of this organization do not have access to this 23 00:01:55,410 --> 00:01:55,890 cloud. 24 00:01:56,430 --> 00:02:03,420 This cloud uses private cloud infrastructure and engines, and it usually contains only a subset of 25 00:02:03,450 --> 00:02:04,950 the public cloud capabilities. 26 00:02:05,430 --> 00:02:11,670 Organizations usually use private cloud for security reasons because they want the resources and data 27 00:02:11,670 --> 00:02:17,910 to be stored inside the organization premises and they do not want them to be exposed in the public 28 00:02:17,910 --> 00:02:18,280 cloud. 29 00:02:19,680 --> 00:02:29,670 So some examples of private cloud are VMware cloud, RedHat, open shift and as you stack next is a 30 00:02:29,670 --> 00:02:30,900 hybrid cloud. 31 00:02:31,620 --> 00:02:39,450 So a hybrid cloud is a cloud that is set up in an organization's premises, but it is also connected 32 00:02:39,660 --> 00:02:40,830 to the public cloud. 33 00:02:41,250 --> 00:02:47,610 That means that workloads can be separated between the two cloud, for example, sensitive data in the 34 00:02:47,610 --> 00:02:51,600 organization's premises and public data in the public cloud. 35 00:02:52,200 --> 00:02:57,600 So, for example, the organization can decide that the usernames and passwords and perhaps even the 36 00:02:57,600 --> 00:03:02,490 credit codes of its users will be stored inside the organization's premises. 37 00:03:02,940 --> 00:03:10,350 But for example, the professional profile of its users, such as the ones in LinkedIn, will be stored 38 00:03:10,470 --> 00:03:11,640 in the public cloud. 39 00:03:12,300 --> 00:03:17,880 Now, usually hybrid cloud are managed by the public cloud, which is connected to the private cloud. 40 00:03:18,060 --> 00:03:20,370 But this is not always the case. 41 00:03:20,640 --> 00:03:27,690 And sometimes you can see the other way around so that the private cloud controls and manages the resources 42 00:03:27,690 --> 00:03:28,690 in the public cloud. 43 00:03:29,820 --> 00:03:39,420 So some examples for hybrid cloud are azure oak and A.W. outposts both extend the public cloud into 44 00:03:39,420 --> 00:03:46,260 the organization's premises and manage and control these private cloud from the public cloud. 45 00:03:47,220 --> 00:03:53,670 So these are the three types of cloud we have the public, the private and the hybrid. 46 00:03:54,090 --> 00:03:57,980 In the viscose, we are going to discuss only the public cloud. 47 00:03:58,200 --> 00:04:04,260 This is the most important type of cloud and this is the main focus of the industry right now. 5225