EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Expert Solution & Answer
Chapter 7, Problem P14P
Explanation of Solution
Chaining used in direct routing:
As in the section 7.7.2, suppose the chaining is used in indirect routing via home agent, the following events would occur:
- The node “A” will get the mobile node then “A” alerts the home agent that the mobile node currently visiting “A”. The datagram to the mobile is forwarded to the particular COA (care-of-address).
- The mobile node is moved to the node “B”. The foreign agent at node “B” will alerts the foreign agent at node “A” and in node “A” the mobile node is no longer stayed, but in fact is resident in node “B” and that has the specified care-of-address in node “B”. Forward the datagrams by the foreign agent in node “A” and it receives that are addressed to the mobile care-of-address in node “A” to the mobile care-of-address in node “B”.
- The mobile node is moved to the node “C”. The foreign agent at node “C” will alerts the foreign agent at node “B” and in node “b” the mobile node is no longer stayed, but in fact is resident in node “C” and that has the specified care-of-address in node “C”. Forward the datagrams by the foreign agent in node “B” and it receives that are addressed to the mobile care-of-address in node “B” to the mobile care-of-address in node “C”.
If the mobile node returns to the home agent or it goes offline, the datagram forwarding state must be maintained by the foreign agents in “A”, “B” and “C” are removed.
Chaining not used in direct routing:
Suppose the chaining is not used in indirect routing via home agent, the following events would occur:
- The node “A” will get the mobile node then “A” alerts the home agent that the mobile node currently visiting “A”...
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Students have asked these similar questions
Problem 3: Consider the two-link planar elbow manipulator shown below with link information: a₁ = 3,
a₂ = 3.
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(a) Find the location of the end-effector P° if the joint angles are:
0₁ = 140°, 0₂ = 30°
(b) Find the values of joint variables 01, 02 if the robotic manipulator is commanded to reach the desired
location of Pº = [4.5, 3,0]. Notice there are possibly two sets of solutions.
(c) Also sketch the two poses of the robot for the computed joint variables.
Page 5 of 7
Problem 5: The following shows the schematic of a SCARA robot and its DH parameters. Complete the
following questions based on this information.
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(a) For a₁ = 1, a2 = 2, is q = 180° a singularity configuration of this robot?
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(c) Consider the following sequence of rotations:
1) Rotate by 130° about the world z-axis
2) Rotate by 45° about the current x-axis
3) Rotate by -30° about the world/fixed y-axis
Compute the resulting overall rotation matrix R. Notice that you need to provide the numerical
solution to the matrix R.
(d) Find R giving the following rotation matrices.
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Chapter 7 Solutions
EBK COMPUTER NETWORKING
Ch. 7 - Prob. R1RQCh. 7 - Prob. R2RQCh. 7 - Prob. R3RQCh. 7 - Prob. R4RQCh. 7 - Prob. R5RQCh. 7 - Prob. R6RQCh. 7 - Prob. R7RQCh. 7 - Prob. R8RQCh. 7 - Prob. R9RQCh. 7 - Prob. R10RQ
Ch. 7 - Prob. R11RQCh. 7 - Prob. R12RQCh. 7 - Prob. R13RQCh. 7 - Prob. R14RQCh. 7 - Prob. R15RQCh. 7 - Prob. R16RQCh. 7 - Prob. R17RQCh. 7 - Prob. R18RQCh. 7 - Prob. R19RQCh. 7 - Prob. R20RQCh. 7 - Prob. R21RQCh. 7 - Prob. R22RQCh. 7 - Prob. R23RQCh. 7 - Prob. P1PCh. 7 - Prob. P2PCh. 7 - Prob. P3PCh. 7 - Prob. P5PCh. 7 - Prob. P6PCh. 7 - Prob. P7PCh. 7 - Prob. P8PCh. 7 - Prob. P10PCh. 7 - Prob. P11PCh. 7 - Prob. P12PCh. 7 - Prob. P13PCh. 7 - Prob. P14PCh. 7 - Prob. P15PCh. 7 - Prob. P16P
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