that can relay streaming data from a multimedia streaming
source to other clients. It also plays a role as a proxy
server to enhance the stability of our system. It can
accept IPv4/IPv6 connections both and maintain clients'
information in a P2P network
IPv6-to-IPv4 SIP translator is a translator that enables
interworking between IPv6 and IPv4 networks for SIP phones.
It offers a fast and automatic translation that allows
communications between IPv6 SIP phones and IPv4 SIP phones.
The translation functions include SIP signalling and RTP
payloads of IPv4 and IPv6 VoIP devices.
NTU IPv6 Tunnel Server enables IPv4 hosts to transmit
the packets to the IPv6 hosts, where the IPv4 hosts are
assiged IPv6 addresses that is used for routing packets
through the IPv6 network. The functionalities of NTU IPv6
Tunnel Server include (1)Automatically distribute the
IPv6 addresses to IPv4 hosts. (2)Establish tunnels (for
IPv4 hosts) in IPv6 networks. (3)Recycle the IPv6 addresses
assigned to the IPv4 hosts that has completed the packet
transmission. (4)Encapsulate/Decapuslate the IPv4 packets
with IPv6 header.