Possible answers are:E128IPv4FA32IPv6B ### 4.04-3. IPv4/IPv6 Co-existence: Tunneling (c)**Concept Explanation:**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).![Network Diagram](network-diagram.png)1. **Network Diagram Explanation:** - **Legend:** - **Blue:** Represents IPv6 datagrams. - **Red:** Represents IPv4 datagram (encapsulating the IPv6 datagram). - **Routers and Paths:** - **A (IPv6):** Starts the transmission (shown as blue arrow leaving A). - **B (IPv6/IPv4):** Transits the datagram from IPv6 to IPv4 and sends it towards D through an IPv4 tunnel. - **D (IPv4):** Continues the IPv4 transit towards E. - **E (IPv6/IPv4):** Receives the IPv4 datagram and transits it back to IPv6. - **F (IPv6):** Final destination of the datagram (indicated by a blue arrow arriving at F).2. **Field Matching Exercise:** - Perform the matching below to indicate the datagram field value and type at point **(c)**. | Question | Options | |--------------------------------------------------------------------------------|-------------| | At point (c), the source IP address version is: | [Choose] | | At point (c), the source IP address is that of host: | [Choose] | | At point (c), the destination IP address is that of host: | [Choose] | | At point (c), the number of bits in the destination IP address is: | [Choose] | [Note: You can find more examples of problems similar to this here.]This setup illustrates how IPv4/IPv6 tunneling works to ensure datagrams can be transmitted across networks using different IP versions. By encapsulating the IPv6 datagram within an IPv4 datagram between routers B and E, seamless communication is maintained despite differing IP protocols.

(i) IPv6 in datagram because there is no tunnel exist at point a (ii) A because, source is router A…

4.04-3. IPv4/IPv6 co-existence: tunneling (c). 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). A IPv6 (a) B IPv6/v4 C IPv4 At point (c), the source IP address version is: (b) At point (c), the destination IP address is that of host: [Note: You can find more examples of problems similar to this here.] At point (c), the source IP address is that of host: D At point (c), the number of bits in the destination IP address is: IPv4 Perform the matching below to indicate the datagram field value and type at point (c). [Choose ] [Choose ] [Choose ] E [Choose ] IPv6/v4 (c) F IPv6

4.04-3. IPv4/IPv6 co-existence: tunneling (c). 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). A IPv6 (a) B IPv6/v4 C IPv4 At point (c), the source IP address version is: (b) At point (c), the destination IP address is that of host: [Note: You can find more examples of problems similar to this here.] At point (c), the source IP address is that of host: D At point (c), the number of bits in the destination IP address is: IPv4 Perform the matching below to indicate the datagram field value and type at point (c). [Choose ] [Choose ] [Choose ] E [Choose ] IPv6/v4 (c) F IPv6

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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