Abstract：This paper analyzes three existing problems of the tele-collaboration technology. Firstly, it requires high network environment, different LANs can prevent remote collaboration by setting up firewalls. Secondly, only computer content sharing and remote operation command control are provided in the collaborative mode, which cannot meet the communication needs of team collaboration, so the versatility is poor. Thirdly, there is no security mechanism such as data encryption and operation record, so the security is not strong. Combined with the most realistic scenarios and communication needs of team collaboration, a tele-collaboration scheme based on ICE is proposed. The scheme provides three types of collaborative interaction, namely, real-time remote assistance, instant messaging, and non-real-time dynamic announcement. The remote assistance function is based on ICE which can penetrate various network barriers. Instant messaging is based on XMPP protocol, using Openfire+Spark+Smack technology scheme. In addition, the scheme provides a rigorous data security mechanism, including network communication security, remote operation security and data storage security. The successful implementation of the scheme will enhance the versatility, convenience and security of tele-collaboration.
2019, Vol. 1 
