Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Computer Network & Security Expert

Answer the following problems.

problem 1) A network uses routers with fair queueing. This is not weighted - all weights are the same.

(a) Two connections share same congested gateway and have no other congested gateways. Connection A has RTT 5ms, connection B has RTT 10ms. State the throughput of connection B(tputB) in terms of throughput achieved by connection A ( tputA), or specify if there is no relationship between the two.

(b) Two connections traverse same congested gateway, but also traverse some other unshared congested gateways. State the throughput of connection B (tputB) in terms of throughput achieved by connection A ( tputA), or specify if there is no relationship between the two.

problem 2) Matt thinks that fair queuing is great idea! Every flow gets fair share of bandwidth. He is sad to determine it is not extensively implemented. Why is not fair queuing used across the entire Internet?

problem 3) In link state routing protocols, routers broadcast link state announcements to rest of the network containing information about which routers they are directly connected to. Each router collects these announcements from every other router and uses them to build a graph of the network.

(a) Routers store these link state announcements with time to live (TTL); an announcement is deleted when

1) a more recent announcement from same router arrives and replaces it or

2) the TTL expires. Why is this TTL timeout essential?

(b) Link state announcements have sequence numbers to make sure that router never replaces newer information with stale information from older message still circulating in the network. Unlike other protocols, these sequence numbers are not expected to wrap around (and so they should be fairly long, like, 64 bits). A problem can arise when the router crashes, reboots, and begins sending link state announcements starting at sequence # 0. How does network deal with this situation (suppose that routers don’t store current sequence number in non-volatile storage so that it is available after a reboot)?

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M96694

Have any Question? 


Related Questions in Computer Network & Security

Discussion questions -optimizing your network design please

Discussion Questions - "Optimizing Your Network Design" Please respond to the following: Select and describe one (1) of the queuing methods described in the readings. Present a real-world example of the method you select ...

I have one question and need a response to the other

I have one question and need a response to the other part.  The question needs to be at least two paragraphs with in text references and the other response need to be at least one paragraph and no references. Part 1 - Q1 ...

Write one paragraph only for each questions1- can a

Write one paragraph only for each questions. 1- Can a business survive in today's world without a website or a poorly maintained website? Why or Why not? 2- What's your biggest fear about using the Internet? Why? Can you ...

Assignmentwan technologies paper research point-to-point

Assignment WAN Technologies Paper: Research Point-to-Point (dedicated), Packet Switched, and Circuit Switched WAN protocols/circuits/types. Define each protocol and describe at least two data transmission technologies as ...

Network and internet security assignmentproblem 1 - network

NETWORK AND INTERNET SECURITY ASSIGNMENT PROBLEM 1 - Network Access Control 1) Suppose you are a network administrator and are concerned about unauthorized networked devices being plugged into your system. You have read ...

Assignmentyou have been hired as the chief security officer

Assignment You have been hired as the Chief Security Officer for a local University. For this role you will be responsible for establishing and maintaining an enterprise wide information security program to ensure that a ...

Short answer1 classify each of the following

Short Answer 1. Classify each of the following occurrences as an incident or disaster. If an occurrence is a disaster, determine whether business continuity plans would be called intoplay. a. A hacker breaks into the com ...

Cryptography assignment1 decrypt the following message

Cryptography Assignment 1. Decrypt the following message. Assume direct letter substitution. blf szev yvvm z tivzg xozhh. I drhs blf zoo hfxxvhh zmw hzkkrmvhh. 2. Research the RSA cryptographic algorithm. a. If the Publi ...

Two reasearch paperswan technologies paper research

Two Reasearch Papers WAN Technologies Paper: Research Point-to-Point (dedicated), Packet Switched, and Circuit Switched WAN protocols/circuits/types. Define each protocol and describe at least two data transmission techn ...

Explain the key differences between symmetric and

Explain the key differences between symmetric and asymmetric encryption. Which can the computer process faster? Which lowers the costs associated with key management? What is a VPN? Why are VPNs widely used?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro