Forwarding plane

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  • Software Defined Networking ( Sdn )

    Software-defined Networking (SDN) is a new networking paradigm also referred to as a “radical new idea in networking” [1]. The SDN enables network operators to make changes to the network infrastructure without sacrificing network availability and at the same time reduces network maintenance costs by providing a centralized point of control and one unified user configuration interface for switches, routers and middle-boxes1 from diverse vendors [2]. According to Sarah Sorensen, the author of the book of “The Sustainable Network”, “SDN tackles the barriers that constrain scale, automation, and agility by decoupling the forwarding layer from the control layer, which provides a central view and control over the network.” The basic idea behind SDN is to decouple forwarding plane from control plane, therefore SDN- capable switches are merely responsible for forwarding traffic whereas software controllers are middlemen between network applications and SDN-capable switches. For example, a BGP2 network application can reside on a software controller and exchange its routing table with other routers. It also updates the flow-table of the SDN switch according to its routing-table by using the REST APIs of the software controller without knowing about switch specific vendor-specific capabilities. Software controllers also present a unified, centralized and abstract model of the whole network to the network applications. Software controllers are merely programs running on the…

    Words: 740 - Pages: 3
  • The Revenant Essay Questions

    starts with Denzel 's Character, Whip, flying a commercial Plane to Florida to Georgia, with his co-pilot, Ken. Whip has a bad drug & alcohol problem. Before the flight in his hotel room, he snorts a line of coke, and even during the flight, pours three small bottles of vodka into a bottle of orange juice. For the most part, Whip doesn’t seem impaired, but takes a 26 minute nap while the plane sits in autopilot. A flight attendant walks into the cockpit and talk with Ken and jokes about Whip…

    Words: 1953 - Pages: 8
  • Narrative Essay On A Plane Crash

    left for me. I drank the water like I had not drank anything in years and stood up my leg did not hurt at all. I wandered outside. Whoever had helped me had gotten quite a bit of the plane crash. They had at least found five suitcases and had found a bunch of the onboard soda. He saw the pointed shrapnel that he had used on the board it looked like a tip of the spear. He picked it up and saw an opportunity a part of the plane made of reinforced black carbon steel looked like a perfect spear…

    Words: 1006 - Pages: 4
  • Short Story : ' Wake Up ! '

    the frozen heels of his palms into his eye sockets. “Thank fuck, you unconscionable bastard,” muttered Reg, leaning back on his heels, and when Lucas re-opens his eyes, he sees Reg running a hand down his haggard face. “I didn’t know you cared,” said Lucas, his voice little more than a rasp. “It’s touching.” Reg snorted. He rocked back on his heels and stood, striking snow from his trousers and striding off a short way. “Hardly. Now that you’re awake, you can help me scavenge…

    Words: 1448 - Pages: 6
  • Narrative Essay About Going To Japan

    My initial thought of going to Japan is “Are we going to see some awesome neon city in Akihabara or are we going to some rural area with some magnificent landscape that I have seen in the magazines?”. Surprisingly my dad told me we are going to stay in Japan for a month with my grandma and grandpa in Sapporo where many fresh meat is being made locally. Day before the journey begins, I realized this will be my first time riding a plane as well. This frightened me because I am afraid of heights. I…

    Words: 726 - Pages: 3
  • The Importance Of Study In America

    “Do you need a help with your backpack” the stewardess asked me in British accent. “Pardon”, I said “I didn’t hear you well”. She repeated, but I still didn’t understand what she was trying to say. I started to panic. “If I cannot understand British English, which I learned in the university for 1 year, how I will understand American English”. “How I am going to study in University in America if I don’t understand simple things the stewardess was trying to say, maybe I should get out of the…

    Words: 1516 - Pages: 6
  • A Personal Narrative Essay: My Family Trips

    Family Trips My family loves to travel and our goal was to get to ALL FIFTY STATES, and we had to stay at least one night in each state. So we had been to almost all fifty states and we had an enormous trip coming up and we were doing 17 states in 18 days, all in the same car! We started our trip and we new this trip is gonna eat us up from being so close for so long. We had funny moments about everyday, I would have some animal fact and I would tell my family and they would all just start…

    Words: 720 - Pages: 3
  • Narrative Essay About Mexico Vacation

    Mexico vacation On November 23, 2016 my friend's whole family and my whole family were getting ready for a relaxing vacation in Mexico, Puerto Vallarta. We all had to wake up at about 8:00 a.m so we wouldn’t be late for our flight. After we all woke up we all got into the cab with all our luggage and drove away to the airport. We landed at about 12:30 p.m, caught a cab and drove right away to check into heaven (our hotel) called Sheraton. In the hotel it was exactly like heaven, with four…

    Words: 701 - Pages: 3
  • Summary Of Michael Spurgeon's Let The Water Hold Me Down

    Michael Spurgeon's novel Let the Water Hold Me Down tells a story about a man named Hank, whose wife and daughter died in a drowning accident, while also giving great supporting information on how much the government plays a part in poverty. After his wife and daughter’s death, Hank then decides to impulsively hop on a plane to Mexico where he will stay with his very rich friend, Cesar. While soul searching in Mexico he ends up getting a job in the poverty ridden town of Chiapas. The poor town…

    Words: 955 - Pages: 4
  • Reflective Essay On American Airlines Flight 11.9/11

    1. The Passenger “American Airlines, Flight 11. 9-11-2001. Economy Class, seat 32A. Boarding time: 7:45 A.M. Departing from Logan International Airport of Boston MA, Gate B32. Destination: Los Angeles, California.” I restlessly read my plane ticket over and over. It may seem as if it’s not a big deal. Just a boarding pass, right? But this isn’t just any flight. After being in Boston for almost two weeks, the homesickness is hardly bearable anymore. It’s almost been two weeks since I’ve seen my…

    Words: 1671 - Pages: 7
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