+AD4-The hosting requirements document is tres ancien, however it's still here: Could you tell me what's means of +ACI-tres ancien+ACI- ? :) +AD4-http://www.ietf.org/meetings/ietf.hosting.html Thanks , I might understand totally about the responsibility of the host group. -Hui Disclaimer: The contents of this e-mail, and its attachments, if any, are confidential and may be protected by law against any unauthorized use. If you have received this e-mail by mistake or have reason to believe that you are not the intended recipient, please notify the sender by reply e-mail as soon as possible and delete it from your computer system immediately thereafter. If you are not the intended recipient, you must not copy this e-mail or attachment or disclose the contents to any other person. While we have made every effort to keep our network virus free, we take no responsibility for any computer virus which might be transferred by way of this e-mail. _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf