(a) Why Frame Relay was originally designed for use across Integrated Services Digital Network (ISDN) interfaces?
(a) Why Frame Relay was originally designed for use across Integrated Services Digital Network (ISDN) interfaces?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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(a)
- Why Frame Relay was originally designed for use across Integrated Services Digital Network (ISDN) interfaces?
(b)
- A connectionless protocol, such as Ethernet, defines the route of a packet through source and destination addresses. However, a connection-oriented protocol, such as ATM, defines the route of a cell through virtual connection identifiers (VPIs and VCIs). Could you explain this statement?
(c)
Transferring files from one system to another seems simple and straightforward, some problems must be dealt with first. For example, two systems may use different file name conventions. Two systems may have different ways to represent text and data. Two systems may have different directory structures. How to solve these issues in case of transferring of files from one system to another.
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