17-03-2014, 06:53 PM
Abstract-IPv6 protocol is a new generation of communication
protocol and therefore it is very important to develop IPv6 in
China. How to realize the transition from IPv4 to IPv6 is a key
problem which is urgent to be solved in the development
process of IPv6. This paper studies the dual stack technology in
the smooth transition process of IPv4 to IPv6, treats of the
working mode of dual stack node and introduces the design
and realization of domain name system and BBS system.
Keywords-transition technology; dual stack; network layer;
application layer; domain name service
I. INTRODUCTION
IPv4 has made a great success in the field of Internet for
its excellent technical characteristics, the present Internet is
based on IPv4 and it is not likely to transit to the network
based on IPv6 in a short time. And therefore, in quite a long
time, IPv6 network will coexist with IPv4 network. How to
realize the interoperation and smooth transition between
IPv4 and IPv6 is an important problem we face at present.
On the basis of the study of dual stack technology, we
construct the basic application service of campus network
based on dual stack technology.
II. DUAL STACK TECHNOLOGY
Dual stack refers to that a single node supports both IPv4
protocol stack and IPv6 protocol stack. Because IPv6 and
IPv4 are network layer protocols with similar functions, both
are based on the same physical platform and basically the
transport layer protocols loaded on them---TCP and UDP
also have no difference, the node supporting dual stack can
communicate with not only the node supporting IPv4
protocol but also the node supporting IPv6 protocol. We
believe that main network service providers will certainly
support the operation of dual stack before all networks are
upgraded to the networks based on IPv6 protocol.
A. Working mechanism ofdual stack
IPv6 and IPv4 are network layer protocols with similar
functions, both are based on the same physical platform and
the transport layer protocols loaded on IPv6 and IPv4
978-0-7695-3654-5/09 $25.00 © 2009 IEEE
DOl 10.1l09/ICSPS.2009.200
826
respectively---TCP and UDP have no difference. From the
protocol stack architecture shown as Fig 1, we can see if a
host supports both IPv6 protocol and IPv4 protocol, the host
can communicate with not only the host supporting IPv4
protocol but also the host supporting IPv6 protocol, which is
the working mechanism of dual stack technology.
protocol and therefore it is very important to develop IPv6 in
China. How to realize the transition from IPv4 to IPv6 is a key
problem which is urgent to be solved in the development
process of IPv6. This paper studies the dual stack technology in
the smooth transition process of IPv4 to IPv6, treats of the
working mode of dual stack node and introduces the design
and realization of domain name system and BBS system.
Keywords-transition technology; dual stack; network layer;
application layer; domain name service
I. INTRODUCTION
IPv4 has made a great success in the field of Internet for
its excellent technical characteristics, the present Internet is
based on IPv4 and it is not likely to transit to the network
based on IPv6 in a short time. And therefore, in quite a long
time, IPv6 network will coexist with IPv4 network. How to
realize the interoperation and smooth transition between
IPv4 and IPv6 is an important problem we face at present.
On the basis of the study of dual stack technology, we
construct the basic application service of campus network
based on dual stack technology.
II. DUAL STACK TECHNOLOGY
Dual stack refers to that a single node supports both IPv4
protocol stack and IPv6 protocol stack. Because IPv6 and
IPv4 are network layer protocols with similar functions, both
are based on the same physical platform and basically the
transport layer protocols loaded on them---TCP and UDP
also have no difference, the node supporting dual stack can
communicate with not only the node supporting IPv4
protocol but also the node supporting IPv6 protocol. We
believe that main network service providers will certainly
support the operation of dual stack before all networks are
upgraded to the networks based on IPv6 protocol.
A. Working mechanism ofdual stack
IPv6 and IPv4 are network layer protocols with similar
functions, both are based on the same physical platform and
the transport layer protocols loaded on IPv6 and IPv4
978-0-7695-3654-5/09 $25.00 © 2009 IEEE
DOl 10.1l09/ICSPS.2009.200
826
respectively---TCP and UDP have no difference. From the
protocol stack architecture shown as Fig 1, we can see if a
host supports both IPv6 protocol and IPv4 protocol, the host
can communicate with not only the host supporting IPv4
protocol but also the host supporting IPv6 protocol, which is
the working mechanism of dual stack technology.