Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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See what makes SMTP different from HTTP in this analysis of application protocols.
What does the acronym HTTP stand for, and how does it work?
I need to know what port it uses for transmission.
Both Transmission Control Protocol and User Datagram Protocol may be abbreviated to TCP or UDP. In each of these cases, what factors must be considered?
So, how many distinct varieties of 'network' are there? Give a succinct summary of what you know about each.
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- Explain the differences between the OSI model and the TCP/IP model using your own terminology and phrases. Your reasoning for why you feel there are two models is illogical to me.arrow_forwardCompare and contrast SMTP and HTTP, two widely used application protocols.Explain what "HTTP" means and how it works.Could you tell me what port it uses for connections?The abbreviations for "Transmission Control Protocol" and "User Datagram Protocol" are "TCP" and "UDP," respectively. To what extent do these scenarios have common variables?Can you describe the many kinds of networks that exist? Describe them quickly.arrow_forwardThe original HTTP protocol used TCP/IP as the underlying network protocol. For each page, graphic, or applet, a separate TCP session was constructed, used, and torn down. Because of the overhead of building and destroying TCP/IP connections, performance problems resulted from this implementation method. Would using UDP rather than TCP be a good alternative? What other changes could you make to improve HTTP performance?arrow_forward
- Answer the given question with a proper explanation and step-by-step solution. Why is TCP/IP fragmentation important for internet communications? What would likely happen on the internet without that fragmentation? Why is TCP considered a "reliable" communication protocol but HTTP and Ethernet considered "not reliable"? Is there some "better way" to arrange internet communications?arrow_forwardIn favour of layered protocols, what are the two most compelling reasons to do so? An example is needed to support what you are saying.arrow_forwardWhen it comes to transport layer protocols that can be relied on to provide services, TCP is a full duplex option. What does it mean when we say that something is full-duplex, connection-oriented, and reliably delivered?arrow_forward
- The two main protocols that work at the transport layer are TCP and UDP. Please explain why TCP rather than UDP might be used in the development of a certain application. Give two (2) cases, each distinct.arrow_forwardSummarize the pros and cons of connectionless protocols versus connection-based ones.arrow_forwardConsider each layer of the TCP/IP protocol stack and order them from most important to least. Can one or more of these layers be combined or separated? Would the kind of information being sent affect how you order, and if so, why or why not? Why did you decide to place your order that way? To assist you, use the following scale: The most important component is represented by 1, while the least important factor is represented by 5.arrow_forward
- Outline the pros and cons of connectionless protocols, and how they stack up against their more traditional counterparts, connection-based protocols.arrow_forwardSummarize the pros and cons of connectionless protocols versus connection-based ones.arrow_forwardIt's a good idea to weigh the advantages and disadvantages of connectionless protocols over connection-based protocols, and vice versa.arrow_forward
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