30 Nov 2006 21:50
<Internet-Drafts <at> ietf.org>
2006-11-30 20:50:01 GMT
2006-11-30 20:50:01 GMT
A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Layer Two Tunneling Protocol Extensions Working Group of the IETF. Title : Fail Over extensions for L2TP "failover" Author(s) : V. Jain Filename : draft-ietf-l2tpext-failover-11.txt Pages : 21 Date : 2006-11-30 L2TP is a connection-oriented protocol that has shared state between active endpoints. Some of this shared state is vital for operation but may be rather volatile in nature, such as packet sequence numbers used on the L2TP Control Connection. When failure of one side of a control connection occurs, a new control connection is created and associated with the old connection by exchanging information about the old connection. Such a mechanism is not intended as a replacement for an active fail over with some mirrored connection states, but as an aid just for those parameters that are particularly difficult to have immediately available. Protocol extensions to L2TP defined in this document are intended to facilitate state recovery, providing additional resiliency in an L2TP network and improving a remote system's layer 2 connectivity. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-l2tpext-failover-11.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request <at> ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-l2tpext-failover-11.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv <at> ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-l2tpext-failover-11.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft.
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