Networking for the Cloud DBA. Arup Nanda Longtime Oracle DBA And Explorer of New Things
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1 Networking for the Cloud DBA Arup Nanda Longtime Oracle DBA And Explorer of New Things
2 Most Important Skill for a Cloud DBA 2
3 Netmask 3
4 Broadcast Address 4
5 Network ID IP Address 5
6 Most Important Skill for a Cloud DBA is Networking 6
7 Why Networking? What s Different in Cloud How are IP Addresses Used What is Subnetting? What is NetMask How to apply Network Concepts in the Cloud. 7
8 What is a Network? IP Address Network address How many IP 8
9 6Grenier Dr Danbury CT USA 9
10 6 Grenier Dr Danbury CT USA 10
11 Danbury USA CT Grenier Dr 6 11
12 Danbury USA CT Grenier Dr
13
14 Network ID
15 Host Identifier Network Identifier Network Address
16 Does not tell you the network address How do you know where to cut? 16
17 =
18 Subnet Mask Or Netmask 18
19 bits 8 bits 8 bits 0 bits /24 = 24 bits 19
20 Class of Networks Class A Class B Class C Class D million hosts 16,000 networks 65,000 hosts each 2 million networks 254 hosts each Reserved for multicast Class E Reserved for research What about 127.x.x.x? 127.x.x.x is loopback is general broadcast 20
21 Typical Routing Network Address We need two networks 21
22 /24 Classless Inter-Domain Routing CIDR Mask:
23 = = 25 bits /25 23
24 CIDR Splitting Network Address We need two networks Subnet 1 Network Address Subnet Mask Or in CIDR /25 Subnet 2 Network Address Subnet Mask Or in CIDR /25 24
25 IP Binary IP Binary IP Binary / / /
26 Our assigned network address is Objective 3 Subnets 1 st Subnet = 50 hosts 2 nd Subnet = 15 hosts 3 rd Subnet = 15 hosts. Class C Network will give 254 hosts; but not 3 subnets. We have to carve this up into 3 subnets. CIDR 26
27 1 st Subnet with 50 hosts Subnets 1 st Subnet = 50 hosts 2 nd Subnet = 15 hosts 3 rd Subnet = 15 hosts 27
28 2 bits = 192 = Mask = 26 CIDR 2 28
29 1 st Subnet with 50 hosts /26 Mask Subnets 1 st Subnet = 50 hosts 2 nd Subnet = 15 hosts 3 rd Subnet = 15 hosts Broadcast nd Subnet with 15 hosts
30 4 bits = 240 = Mask = 28 CIDR 4 30
31 1 st Subnet with 50 hosts /26 Mask Subnets 1 st Subnet = 50 hosts 2 nd Subnet = 15 hosts 3 rd Subnet = 15 hosts Broadcast nd Subnet with 15 hosts /28 Mask Broadcast
32 1 st Subnet with 50 hosts /26 Mas Broadcast k nd Subnet with 15 hosts /28 3 Subnets 1 st Subnet = 50 hosts 2 nd Subnet = 15 hosts 3 rd Subnet = 15 hosts Mask Broadcast rd Subnet with 15 hosts /28 Mask Broadcast
33 Our assigned network address is st Subnet with 50 hosts /26 Mask Broadcast nd Subnet with 15 hosts /28 Mask Broadcast Range: Range: rd Subnet with 15 hosts /28 Mask Broadcast Range:
34 host1 host3 host1 host2 host2 Virtual Private Cloud 34
35 host1 host2 VPC 1 host3 VPC 2 host1 host2 35
36 host1 host3 host1 host2 host2 Elastic IP 36
37 What you learned today IP Addressing Class of Networks Subnetting Subnet Masking CIDR Notation Virtual Private Cloud Elastic IP 37
38 Thank You! Blog: arup.blogspot.com Facebook.com/ArupKNanda Google Plus: +ArupNanda 38
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