Data Centric Network (Unit 2)

-

 Data-Centric Network (Unit 2)

Components of Enterprise

  • Campus Network
  • Private WAN
  • Remote Access
  • Internet server farm
  • Extranet server farm
  • Intranet server farm

Data Center Layers

      • Aggregation - Multilayer, switches, firewall & load balancers.
      • Access - Layer 2 connectivity between server farm and server functions.

      • Front End Segment - Protocols (SMTP), Telnet, web servers, etc.
      • Application Segment - Layer 2 connectivity for security policies and firewalls.
      • Backend Segment - Deals with segment storage and connections to database and server.
      • Storage Layer - Server storage and consolidation and communication between them.
      • Transport Layer - Bandwidth, transport protocols like SONET, cabling, and network, etc.

Architecture Models

  • Client Server Model

  • N-Tier model
  • Multitier Architecture

Data Center Services

  • IP Infrastructure
    • Manual or static routing - Manually configuring the entire routing table.
    • BGP - Inter-domain protocols are run for routing.

    • IGPs

    • OSPF - Intra-domain routing protocols followed.

    • EIGRP

  • Application
    • Load-balancer - To reduce failure of a certain node due to failure.
    • SSL - Encryption, and security.
  • Security
    • Firewalls
    • ACLs
    • Layer 2 & 3 Security Features.
  • Storage
  • Business Continuation
    • Site selection
    • SAN extension
    • DC interconnectivity
  • TOR & EOR

Power Reduction

  • Energy usage monitor - ASHARE Standards for robust energy usage.
  • Optimize air supply - Using cold air currents to cool down heated rooms.
  • Optimize CRAC - Energy saving based electrical equipment.
  • Separate hot & cold air - Eliminates mixing of the 2 currents being unutilized.
  • Improve underflow air pressure - Removing underflow blockades lead to efficient energy usage.
  • Improve CRAC - Replace old CRAC equipment with new ones.
  • Improve transformers - For better electricity utilization.
  • Improve Lighting - To ensure lesser mishaps.

Cable Management

Access Aggregation Connections

  • Looped Triangle
  • Looped Square
  • Looped Free U
  • Looped Inverted Free U

TIA-942 Standard

  • Data Center Spaces
  • Cabling
  • Electrical
  • Cooling
  • Tier System

Comments

Post a Comment

Popular posts from this blog

The if-else STATEMENTS in C++

-
Image
  The if-else STATEMENTS in C++ The if-else statements can control the flow of the code . For example, if you are 10 and only 10, you can play this game or else if you are 13 and only 13, you can play gta4 or else if you are 18+ , you can play any game else , you can't play From this, you can try and first guess, which ages won't be able to play games . Only ages 10,13 and 18+ can play at least some game. However, 9 and below and 11,12,14-17 can not play any games. This is how the flow control in a code works, now keep in mind, the syntax is if (condition) {} else if (condition) {} else {} Also, keep in mind, a==5 checks if a is 5 and returns true or false. a=5 initializes the value 5 to a. Try to print the output like this #include<bits/stdc++.h> using namespace std ; int  main () {     string username ;     cout<< "Enter your username - " ;     cin>>username ...
Read more

Function in C++ || Project OPTIMIZATION

-
Image
  Function in C++ Functions are used to perform certain actions, and they are important for reusing code : Define the code once and use it many times. It also enables programmers to break down or decompose a problem into smaller chunks, each of which performs a particular task. For our projects, we will start off by performing the task below. Try to do this on your own before seeing the final answer. Create a deposit function Declare a variable inside the function with a value of 1000. Accept user integer input. Add to the existing variable of 1000. Display the final result. For the other function, Create a withdraw function Declare a variable inside the function with a value of 1000. Accept user integer input. Subtract from the existing variable of 1000. Display the final result. #include<bits/stdc++.h> using namespace std ; int  Deposit () {      int  existing_amount =  1000 , amt ;     cout<<endl...
Read more

Compiler Design (Exp 1)

-
Image
Compiler Design (Exp 1) Task -  To print the count of the number of keywords, identifiers, operators, and symbols after reading a line of code as input, then store each of these in an array and display them as an output. Logic -  Accept STRING input using getline(). Make a function 'to_vector()' to store each element of the input as a vector element. Call each function keyword(), identifier(), operator() and symbols(). Traverse the vector elements for each function call and see if there is a particular match. Increase the count and display as required. Declare global vector variables to store these details separately. #include <bits/stdc++.h> using namespace std ; vector < string > keys; vector < string > oper; vector < string > ident; vector < string > syms; vector < string > to_vector ( string input ) {     vector < string > temp;     int k = 0 ;     for ( int i = 0 ;i < input . length ();i ...
Read more