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Total Marks 5
Starting Date Tuesday, January 30, 2018
Closing Date Thursday, February 01, 2018
Status Open
Question Title Graded Discussion Board (GDB)
Question Description


Suppose MultiSoft is a company working on multimedia development having its branches in different cities. These branches are connected through a computer network, which they use extensively to transfer multimedia contents (videos, photos, audio, images etc.) within these branches. Now, MultiSoft wants to setup a new mechanism for live video streaming to have live interaction between employees at different branches.

They need security as well as reliable video streaming services. Which OSI layer(s) is responsible for dealing with that need and which protocol(s) of that layer ensures secure and reliable communication. Justify your answer based on logical reasoning in 2 to 4 lines.

Note: Make sure to submit un-plagiarized content via GDB for grading otherwise marked as ZERO.

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Please Discuss here about this GDB.Thanks

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The transport layer, which is responsible for getting data from one end to the other

Progressive streaming doesn't have the flexibility of true streaming, since the data rate can't be adjusted on the fly and the transmission can't be separated into multiple streams. If it delivers a whole file quickly and the user listens to or watches just the beginning, it wastes bandwidth. The user is given the whole file and can copy it without any effort.

"True" streaming uses a streaming protocol to control the transfer. The packets received don't add up to a file. Don't mistake streaming for copy protection, though; unless there's server-to-application encryption, it's not hard to reconstruct a file from the data

Dear Students Don’t wait for solution post your problems here and discuss ... after discussion a perfect solution will come in a result. So, Start it now, replies here give your comments according to your knowledge and understandings....

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sir tell me ur id, and send me these helping material time to time there,whenever any assignment or gdb annouce, asyy to idr s sab log copy kr lyty hn , 

Transport layer will be used for this purpose as it is responsible for end to end communication and TCP protocol will be used which runs on transport layer of OSI model, UDP will not be used as its not reliable, For security between branches we can implement IPSEC VPN. IPSEC protocol suit works on Network Layer of OSI, end point security should be handled by application layer which works on the top layer of OSI,

Layer-4, Transport Layer ensure reliable communication from Source to Destination. Transport layer can be either connection-less or connection-oriented where as TCP is the protocol which ensure the delivery of message to destination and get the acknowledgement so at this layer we have relibality. RTP is a protocol which use for Reliable Video Streaming and for the Security we can use IPsec suite for the secure communication. These all works on Layer-4 so if we want the secure and reliable communication we go with the Layer - 4.

What are two important principal that IP adress hierarchy grantee? 2 marks

Does OSPF share information within an area or it allow communication b/w area? 2 marks 

Where ICMP msg should be sent? 2 marks 


How the TCP is reliable protocol? 2 marks 

Where the connection is orients service use connection identifire instead of full adress? 2 marks


Summarize IP multicast semantics? 2 marks

Internet routing how does a host join and leave the group? 3 marks 

Write the new feature if ipv6? 3marks 

Six services providing by TCP? 3 marks 

Difference b/w explicit and implicit frame type? 3 marks 

What is the first address of block if the address is ?3 marks 

Transit routine? 3 marks 

Feature of IPV 6? 5 marks 

Major issue designing protocol like TCP? 5 marks 

Characteristics of BGP? 5 marks 

plz ans these question



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