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Performance analysis for wireless networks: an analytical approach by multifarious Sym Teredo.

Punithavathani DS, Radley S - ScientificWorldJournal (2014)

Bottom Line: However, the proposed tunneling protocol works with the symmetric and asymmetric NATs.In order to make a Teredo support several symmetric NATs along with several asymmetric NATs, we propose multifarious Sym Teredo (MTS), which is an extension of Teredo with a capability of navigating through several symmetric NATs.The work preserves the Teredo architecture and also offers a backward compatibility with the original Teredo protocol.

View Article: PubMed Central - PubMed

Affiliation: Department of CSE, Government College of Engineering, Tirunelveli, Tamil Nadu 627 007, India.

ABSTRACT
IPv4-IPv6 transition rolls out numerous challenges to the world of Internet as the Internet is drifting from IPv4 to IPv6. IETF recommends few transition techniques which includes dual stack and translation and tunneling. By means of tunneling the IPv6 packets over IPv4 UDP, Teredo maintains IPv4/IPv6 dual stack node in isolated IPv4 networks behindhand network address translation (NAT). However, the proposed tunneling protocol works with the symmetric and asymmetric NATs. In order to make a Teredo support several symmetric NATs along with several asymmetric NATs, we propose multifarious Sym Teredo (MTS), which is an extension of Teredo with a capability of navigating through several symmetric NATs. The work preserves the Teredo architecture and also offers a backward compatibility with the original Teredo protocol.

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Teredo architecture.
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fig1: Teredo architecture.

Mentions: The Teredo architecture as shown in Figure 1 consists of Teredo client, Teredo server, and a Teredo relay. The Teredo client is an IPv6/IPv4 node which supports a Teredo tunneling interface through which packets are tunneled to either other Teredo clients or to the nodes on the IPv6 Internet through the Teredo relay. A Teredo client is made to communicate with the Teredo server to obtain an address prefix from which a Teredo based IPv6 address is configured or to help initiate the communication with the other Teredo clients. A Teredo server is an IPv4/IPv6 node that is connected to both the IPv4 Internet and to the IPv6 Internet, supporting a Teredo tunneling interface over which packets are received. The Teredo relay is an IPv4/IPv6 router that can forward packets between Teredo clients on the IPv4 Internet by using a Teredo tunneling interface and IPv6-only hosts. Teredo client with an IP address 20.0.0.2 and UDP port number 4096 exchanges the IPv4 UDO messages with the Teredo server to detect the type of NAT and its mapped public IPv4 address as 10.0.0.1 and UDP port number on the NAT as 7863. The mapped addresses along with the port number are encoded in the Teredo client's IPv6 address to identify the NAT. A Teredo relay which is nearby the IPv6 is dynamically preferred based on standard IPv6 routing protocol for IPv6 packets sent from an IPv6 host in an IPv6 network.


Performance analysis for wireless networks: an analytical approach by multifarious Sym Teredo.

Punithavathani DS, Radley S - ScientificWorldJournal (2014)

Teredo architecture.
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC4260372&req=5

fig1: Teredo architecture.
Mentions: The Teredo architecture as shown in Figure 1 consists of Teredo client, Teredo server, and a Teredo relay. The Teredo client is an IPv6/IPv4 node which supports a Teredo tunneling interface through which packets are tunneled to either other Teredo clients or to the nodes on the IPv6 Internet through the Teredo relay. A Teredo client is made to communicate with the Teredo server to obtain an address prefix from which a Teredo based IPv6 address is configured or to help initiate the communication with the other Teredo clients. A Teredo server is an IPv4/IPv6 node that is connected to both the IPv4 Internet and to the IPv6 Internet, supporting a Teredo tunneling interface over which packets are received. The Teredo relay is an IPv4/IPv6 router that can forward packets between Teredo clients on the IPv4 Internet by using a Teredo tunneling interface and IPv6-only hosts. Teredo client with an IP address 20.0.0.2 and UDP port number 4096 exchanges the IPv4 UDO messages with the Teredo server to detect the type of NAT and its mapped public IPv4 address as 10.0.0.1 and UDP port number on the NAT as 7863. The mapped addresses along with the port number are encoded in the Teredo client's IPv6 address to identify the NAT. A Teredo relay which is nearby the IPv6 is dynamically preferred based on standard IPv6 routing protocol for IPv6 packets sent from an IPv6 host in an IPv6 network.

Bottom Line: However, the proposed tunneling protocol works with the symmetric and asymmetric NATs.In order to make a Teredo support several symmetric NATs along with several asymmetric NATs, we propose multifarious Sym Teredo (MTS), which is an extension of Teredo with a capability of navigating through several symmetric NATs.The work preserves the Teredo architecture and also offers a backward compatibility with the original Teredo protocol.

View Article: PubMed Central - PubMed

Affiliation: Department of CSE, Government College of Engineering, Tirunelveli, Tamil Nadu 627 007, India.

ABSTRACT
IPv4-IPv6 transition rolls out numerous challenges to the world of Internet as the Internet is drifting from IPv4 to IPv6. IETF recommends few transition techniques which includes dual stack and translation and tunneling. By means of tunneling the IPv6 packets over IPv4 UDP, Teredo maintains IPv4/IPv6 dual stack node in isolated IPv4 networks behindhand network address translation (NAT). However, the proposed tunneling protocol works with the symmetric and asymmetric NATs. In order to make a Teredo support several symmetric NATs along with several asymmetric NATs, we propose multifarious Sym Teredo (MTS), which is an extension of Teredo with a capability of navigating through several symmetric NATs. The work preserves the Teredo architecture and also offers a backward compatibility with the original Teredo protocol.

Show MeSH