4.3-4a. IPv4/IPv6 co-existence: tunneling (a). Consider the mixed IPv4/IPv6 network shown below,where an IPv4 tunnel exists between IPv6 routers B and E. Suppose that IPv6 router A sends adatagram to IPv6 router F. IPv6 datagrams are shown in blue; the IPv4 datagram is in red (containingthe encapsulated IPv6 datagram in blue).AIPv6(a)BIPv6/v4CIPv4(b)At point (a), the IP version field in thedatagram is:At point (a), the source IP address is that ofhost:DIPv4At point (a), the destination IP address is thatof host:At point (a), the number of bits in thedestination IP address is:Perform the matching below to indicate the datagram field value and type at point (a).FABE[Choose ][Choose ]BDIPv6/v4(c)IPv4IPv612832IPv6[Choose ]

IPv4/IPv6 co-existence through tunneling is a mechanism designed to facilitate the smooth…

4.3-4a. IPv4/IPv6 co-existence: tunneling (a). Consider the mixed IPv4/IPv6 network shown below, where an IPv4 tunnel exists between IPv6 routers B and E. Suppose that IPv6 router A sends a datagram to IPv6 router F. IPv6 datagrams are shown in blue; the IPv4 datagram is in red (containing the encapsulated IPv6 datagram in blue). IPv6 (a) с *** IPv4 (b) B IPv6/v4 At point (a), the IP version field in the datagram is: Perform the matching below to indicate the datagram field value and type at point (a). At point (a), the source IP address is that of host: IPv4 IPv6/v4 IPv6 (c) At point (a), the destination IP address is that of host: At point (a), the number of bits in the destination IP address is: E [Choose ] [Choose ] F A >> B D IPv4 IPv6 128 32 [Choose ]

4.3-4a. IPv4/IPv6 co-existence: tunneling (a). Consider the mixed IPv4/IPv6 network shown below, where an IPv4 tunnel exists between IPv6 routers B and E. Suppose that IPv6 router A sends a datagram to IPv6 router F. IPv6 datagrams are shown in blue; the IPv4 datagram is in red (containing the encapsulated IPv6 datagram in blue). IPv6 (a) с *** IPv4 (b) B IPv6/v4 At point (a), the IP version field in the datagram is: Perform the matching below to indicate the datagram field value and type at point (a). At point (a), the source IP address is that of host: IPv4 IPv6/v4 IPv6 (c) At point (a), the destination IP address is that of host: At point (a), the number of bits in the destination IP address is: E [Choose ] [Choose ] F A >> B D IPv4 IPv6 128 32 [Choose ]

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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Consider a node called A that sends packets to an adjacent node called B. To control the packet flow to node B, node A employs a credit manager scheme in which parameters C=3(credits), C_max=4(credits) and \tao=6(msec), respectively. node A has an infinite buffer to temporarily store packets. When a packet arrives at node A, node A stores the packet at the bottom of the buffer. Node A also has a single server (transmitter). As soon as the server becomes idle, the server picks up a packet at the head of the buffer, if any, and serves the packet for packet transmission time T_p as far as there remains a credit. (The packet transmission time T_p = 4 (msec).) We observed the arrival times of the first 12 packets, denoted by aA(1)⋯A(12), which were as follows: n A(n) 1 0.5 msec 2 1.0 3 1.5 4 2.0 5 4.5 6 5.5 7 6.5 8 12.5 9 13.0 10 13.5 11 14.0 12 14.6 1. Let R(n) denote the departure time of the n th packet from the buffer for n∈{1,2,...}. Find R(n) for…
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In modern packet-switched networks, including the Internet, the source host segments long, application-layer messages (for example, an image or a music file) into smaller packets and sends the packets into the network. The receiver then reassembles the packets back into the original message. We refer to this process as message segmentation. Figure 1.27 illustrates the end-to-end transport of a message with and without message segmentation. Consider a message that is 8. 106 bits long that is to be sent from source to destination in Figure 1.27. Suppose each link in the figure is 2 Mbps. Ignore propagation, queuing, and processing delays. a. Consider sending the message from source to destination without message segmentation. How long does it take to move the message from the source host to the first packet switch? Keeping in mind that each switch uses store-and-forward packet switching, what is the total time to move the message from source host to destination host? b. Now suppose that…
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Please solve it correctly and please provide explanation of your answers. A PC and a Web Server are communicating over a TCP connection. The PC had started the three way handshake with the initial sequence number of 3069 . The Web Server's initial sequence number is 4830 . The window size of the PC is 815 bytes and the window size of the Web Server is 463 bytes. Using the third TCP handshake ack segment the PC sends the http request of the size 396 bytes to the Web Server. Then the Web Server answers with 3 segments containing the requested data. The first segment size is 42 bytes and the second segment size is 276 bytes and the third segment size is 146 bytes respectively. The PC receives all three segments within the timer. But unfortunately the second segment was corrupted. So the PC immediately sends an acknowledgement segment. Assume that the PC uses Selective Repeat/Reject ARQ. (d) What will be the window size of PC A after receiving only the first segment from webserver? (e)…
Please solve it correctly and please provide explanation of your answers. A PC and a Web Server are communicating over a TCP connection. The PC had started the three way handshake with the initial sequence number of 3069 . The Web Server's initial sequence number is 4830 . The window size of the PC is 815 bytes and the window size of the Web Server is 463 bytes. Using the third TCP handshake ack segment the PC sends the http request of the size 396 bytes to the Web Server. Then the Web Server answers with 3 segments containing the requested data. The first segment size is 42 bytes and the second segment size is 276 bytes and the third segment size is 146 bytes respectively. The PC receives all three segments within the timer. But unfortunately the second segment was corrupted. So the PC immediately sends an acknowledgement segment. Assume that the PC uses Selective Repeat/Reject ARQ. (a) What will be the sequence number of the third TCP handshake signal send from PC to webserver?…
Registration Number: 193046 Consider a network with 3 hosts and a NAT router. Suppose that the network address of the home network is 192.168.NNN/24, where NNN are the last 3 digits of your Reg#. For example, if your Reg# is BSE193046, NNN = 046 and therefore the network address wil be 192168.46/24. (If NNN>255, consider NNN=254) (a) Assign any public IP address to NAT router’s outgoing interface. (b) Assign IP addresses to all 3 hosts and local interface of the NAT router in the home network. (
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