One of the main objections to layered protocols arises from the apparent overhead copying occurs at each
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Question:
- One of the main objections to layered protocols arises from the apparent overhead copying occurs at each layer. How can copying be eliminated?
- Layered protocols hide all underlying details from applications. Could application software be optimized if an application knew about the underlying networks being used? Explain.
- Should the Internet protocols include a presentation layer that specifies standards for each data type (e.g., a graphic image type, a digital music type, etc)? Why or why not?
- Build a case that TCP/IP is moving toward a six-layer protocol architecture that includes a presentation layer. (Hint: various programs use the XDR protocol, XML, and ASN.1.)
- Find out how a UNIX system uses the mbuf structure to make layered protocol software efficient.
Related Book For
Microeconomics An Intuitive Approach with Calculus
ISBN: 978-0538453257
1st edition
Authors: Thomas Nechyba
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