The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 2014
Filed:
May. 23, 2005
Ulf Fredrik Jönsson, Sollentuna, SE;
Ulf Fredrik Jönsson, Sollentuna, SE;
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
A system and method providing for the flow of peer-to-peer traffic between end users within an access network without requiring the traffic to pass through a network gateway such as a Broadband Remote Access Server (BRAS). End user devices connect through access nodes to an aggregation network and a gateway. An Upstream Address Resolution Protocol (ARP) proxy and a Downstream ARP proxy are implemented in each access node. The Upstream ARP proxy receives an Upstream ARP request and forwards the request upstream only if peer-to-peer communications are allowed. Otherwise, a reply is sent with the MAC address of the BRAS. The Downstream ARP proxy intercepts a Downstream ARP request for a target device and determines whether the target device is in an ARP Cache in the access node. If so, the proxy sends an ARP reply giving the MAC address of the target device. If not, no ARP reply is sent.