Service selection on IP access networks

• US 6,577,627 B1
• Filed: 06/29/1999
• Issued: 06/10/2003
• Est. Priority Date: 06/29/1999
• Status: Expired due to Term

• Current Assignee: RPX Clearinghouse LLC (RPX Corporation)
• Original Assignee: Nortel Networks Limited (Nortel Networks Corporation)
• Inventors: Johnson, Philip N, Driscoll, Richard J
• Primary Examiner(s): CANGIALOSI, SALVATORE A
• Application Number:
  US09/342,362
• Time in Patent Office: 1,442 Days
• Field of Search: 370/389,397,399,400,401 455/436 709/238,206
• US Class Current: 370/389
• CPC Class Codes: H04L 12/5692 Selection among different networks

Abstract

Traditionally a user has accessed an Internet Service Provider (ISP) using a circuit switched access network such as the Public Switched Telephone Network (PSTN). This advantage is lost in current packet switched access networks where there is no mechanism for a user to select a particular ISP in the access network. The present invention provides a method for a user in a packet switched access network to select a connection facility to a second network, the method comprising, the user prepending the access network address of the connection facility to each data packet sent across the access network by the user, and the access network connection removing the prepended address from each packet prior to sending the packets on to the second network.

Claims

1. A method for a user in an Internet Procol (IP) packet switched access network to select a virtual connection with a selected one of a plurality of Internet Service Providers (ISPs) connected to the Internet, the method comprising:

the user prepending the IP access network address of said selected one of said ISPs to each data packet sent onto the IP access network by said user; and

the selected ISP removing said prepended address from each said packet prior to sending said packets onto a selected Internet IP address.

2. A method of transmitting packets across an IP access network from a user to a selected one of a plurality of ISPs connected to the Internet, the method comprising:

accepting from said user of said IP access network data packets prepended with the IP access network address of said selected ISP; and

forwarding said packets to said selected ISP.

3. A method of transmitting packets across an IP access network from a selected one of a plurality of ISPS connected to the Internet to a user of said IP access network, the method comprising:

accepting from said selected ISP data packets prepended with the IP access network address of said user; and

forwarding said packets to said user.