Disaster response system

• US 9,445,249 B2
• Filed: 06/10/2014
• Issued: 09/13/2016
• Est. Priority Date: 08/03/2011
• Status: Expired due to Fees

• Current Assignee: Juniper Networks Incorporated
• Original Assignee: Juniper Networks Incorporated
• Inventors: Lau, Samuel
• Primary Examiner(s): SERRAO, RANODHI N
• Application Number:
  US14/300,800
• Publication Number:
  US 20140287712A1
• Time in Patent Office: 826 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: G08B 27/001 Signalling to an emergency team, e.g. firemen
• CPC Class Codes: G08B 27/005 with transmission via computer network
• CPC Class Codes: H04H 20/59 for emergency or urgency
• CPC Class Codes: H04H 60/51 of receiving stations
• CPC Class Codes: H04M 1/72424 with manual activation of emergency-service functions
• CPC Class Codes: H04M 1/72454 according to context-related or environment-related conditions
• CPC Class Codes: H04M 2242/04 for emergency applications
• CPC Class Codes: H04M 3/42357 where the information is provided to a monitoring entity such as a potential calling party or a call processing server
• CPC Class Codes: H04M 3/42374 where the information is provided to a monitoring entity such as a potential calling party or a call processing server
• CPC Class Codes: H04W 4/90 Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

Abstract

A disaster response system receives location data and status data from participating devices in an area affected by a disaster. The disaster response system provides data to client devices outside the affected area. The data indicate statuses of people within the affected area. Disaster response system also instructs routers to perform actions to adjust bandwidth available for a particular use during and after the disaster.

Claims

1. A method for adjusting bandwidth available for a particular use during and after a disaster, the method comprising:

receiving a disaster profile at a router, the disaster profile specifying Internet Protocol (IP) addresses associated with emergency response personnel;

after receiving the disaster profile, receiving a reconfiguration message at the router, the reconfiguration message indicating an occurrence of the disaster in a specified area; and

adjusting the bandwidth available for the particular use by modifying data in a routing information base (RIB) of the router based on the disaster profile, wherein adjusting the bandwidth comprises;

after modifying the data in the RIB, generating forwarding rules based on the data in the RIB;

receiving a packet at the router after generating the forwarding rules; and

applying the forwarding rules to the packet after receiving the packet, wherein applying the forwarding rules comprises;

determining whether a source address or a destination address of the packet is in the IP addresses associated with the emergency response personnel; and

prioritizing the packet after determining that the source address or the destination address of the packet is in the set of addresses associated with the emergency response personnel.

2. The method of claim 1, wherein adjusting the bandwidth comprises:

modifying the RIB such that the router routes packets having destination addresses outside a set of addresses associated with the specified area through routers that are outside the given area.

3. The method of claim 2, wherein receiving the disaster profile comprises:

receiving data indicating the set of addresses associated with the given area; and

receiving data indicating routers in the specified area.

4. The method of claim 1, wherein applying the forwarding rules comprises:

determining whether the payload of the packet belongs to an essential protocol associated with communications of the emergency response personnel; and

prioritizing the packet after determining that the payload of the packet belongs to the essential protocol.

5. The method of claim 1, wherein applying the forwarding rules comprises dropping the packet in response to determining that the payload of the packet does not belong to an essential protocol and that either the source address or the destination address is in a set of addresses associated with the given area.

6. A router comprising:

a computer storage medium that stores a disaster profile received by the router, the disaster profile specifying Internet Protocol (IP) addresses associated with emergency response personnel;

a routing information base (RIB); and

circuitry that, after receiving a reconfiguration message, modifies data in the RIB based on data stored in the disaster profile to adjust the bandwidth available for a particular use during and after the disaster, the reconfiguration message indicating an occurrence of a disaster in a given area, wherein the circuitry is further configured to;

after modifying the data in the RIB, generate forwarding rules based on the data in the RIB;

receive a packet at the router after generating the forwarding rules; and

apply the forwarding rules to the packet after receiving the packet, wherein circuitry is configured such that, as part of applying the forwarding rules, the circuitry;

determines whether a source address or a destination address of the packet is in the IP addresses associated with the emergency response personnel; and

prioritizes the packet after determining that the source address or the destination address of the packet is in the set of addresses associated with the emergency response personnel.

7. The router of claim 6, wherein the circuitry is configured to modify the RIB such that the router routes packets having destination addresses outside a set of addresses associated with the specified area through routers that are outside the given area.

8. The router of claim 7, wherein the circuitry is configured to:

receive data indicating the set of addresses associated with the given area; and

receive data indicating routers in the specified area.

9. The router of claim 6, wherein the circuitry is configured such that, as part of applying the forwarding rules, the circuitry:

determines whether the payload of the packet belongs to an essential protocol associated with communications of the emergency response personnel; and

prioritizes the packet after determining that the payload of the packet belongs to the essential protocol.

10. The router of claim 6, wherein the circuitry is configured such that, as part of applying the forwarding rules, the circuitry drops the packet in response to determining that the payload of the packet does not belong to an essential protocol and that either the source address or the destination address is in a set of addresses associated with the given area.