Sony Computer Entertainment America LLC

Sony Interactive Entertainment America LLC

Sony Interactive Entertainment Inc.

Ronald Joseph Roy

Mark Lester Jacob

Adam Pierce Harris

Mark L Jacob

Systems and methods of the present invention for maintaining network data distribution are provided. Network data may be distributed in such as manner as to allow a network session to weather interrupted communications between host and clients without significant loss of data. Embodiments of the present invention provide for one or more clients to serve as backup host(s) for the network session. When the other clients transmit data to the host, they may also transmit the data to one or more backup hosts if there are any indications of interrupted communication.

Systems and methods for seamless host migration

Systems and methods of the present invention for maintaining network data distribution are provided. Network data may be distributed in such as manner as to allow a network session to weather interrupted communications between host and clients without significant loss of data. Embodiments of the present invention provide for one or more clients to serve as backup host(s) for the network session, such determinations including the use of NAT profile information. When the other clients transmit data to the host, they may also transmit the data to one or more backup hosts if there are any indications of interrupted communication.

Seamless host migration based on NAT type

A host may be selected for a peer-to-peer grid based on discovered NAT type. NAT profile information may be collected by each of the peers and shared with the other peers. Each peer receives NAT profile information for the other peers. Each peer may determine from the NAT profile information for the peer and the NAT profile information for the other peers which of the two or more peers to designate as the host.

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San Diego, CA, United States of America

Ronald Joseph Roy