A computing device that selectively renegotiates roles of devices in an existing peer-to-peer
group. As the group is formed, the device may negotiate with other devices to select a device …

Disclosed are systems and methods for peer-to-peer commu nication over a network
between a first node behind a first network address translator (NAT) and a second node …

US PATENT DOCUMENTS 4,764,928 A 8/1988 Akerberg 4,787,051 A 11, 1988 Olson
4,843,568 A 6/1989 Krueger 5,128,671 A 7/1992 Thomas, Jr. 5,528,265 A 6, 1996 Harrison …

2. Background Art Backup is cumbersome and expensive in time and equip ment. Machines
are backed up rarely, if at all. Most users believe that backup is more trouble than it is worth …

A resource naming service (RNS) server receives peer resource requests from peer
platforms through a networking environment. The RNS server, possibly in cooperation with …

(57) ABSTRACT A host may be selected for a peer-to-peer grid based on discovered NAT
type. NAT profile information may be col lected by each of the peers and shared with the …

An apparatus, method, and system are directed to maximizing network connectivity after a
network failure in a network clustering system. A cluster master in a cluster is configured to …

2004-03-22 Assigned to SONY COMPUTER ENTERTAINMENT AMERICA INC.
reassignment SONY COMPUTER ENTERTAINMENT AMERICA INC. ASSIGNMENT OF …

With a? rst participant of the multiparty session and, hence, such participant's
communication device; as necessary, add ing and removing participants and their …

(57) ABSTRACT A multi-layer peer-to-peer (P2P) capability is provided. A multi-layer P2P
system includes a plurality of P2P networks associated with a plurality of hierarchical layers …