Juniper Networks, Inc.

Atul Narendra Trivedi

James K Tosh

Steven A Malmskog

A system discovers peer nodes in a failover system, establishes a secure channel between at least two of the peer nodes, and exchanges state information over the secure channel.

Peer discovery and secure communication in failover schemes

A system provides a set of services. The system includes nodes that are in communication with each other. The system segregates the services into at least first and second groups of services, assigns the first group of services to a first set of the nodes, and assigns the second group of services to a second set of nodes. The first set of nodes provides the first group of services, and the second set of nodes provides the second group of services.

Failover scheme with service-based segregation

Techniques are described in which a network device waits differing amounts of time for different network sockets before beginning processes to determine whether respective network connections from the network sockets have failed. An intermediate device may create a network socket for a network connection having a keep-alive wait time option set to a keep-alive wait time associated with a class of the network connection. If an amount of time specified by the keep-alive option of the socket passes after a last successful communication on the network connection, the socket may begin a process to determine whether the network connection has failed. If the intermediate device determines that the network connection has failed, the intermediate device may terminate the connection to free resources on the intermediate device allocated to the network connection.

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San Jose, CA, United States of America

Atul Narendra Trivedi