Tunneled routing
Systems and methods relating to transmitting data between an internetwork of multiple networks. The transmitted data uses a device address that uses a common addressing scheme regardless of network protocols used to implement the multiple networks. The multiple networks includes networks having multiple network protocols, and the multiple networks extend a connection from a home network to a service using a tunnel.
1. A non-transitory, computer-readable medium comprising instructions executable by a processor of a sensor device to configure the processor to:
transmit, to a remote service using a tunneled connection through multiple networks of a fabric network, a packet of information in a message using a Weave communication protocol that is common to devices in the fabric network, the message comprising a data packet that includes a tunnel header and an application payload;
the tunnel header comprising:
a length field indicating a length of the message;
a message header field configured to indicate:
a message type indicating that the message includes the packet of information is that is to be transmitted via a tunnel; and
a security indicator to indicate whether security information is included in the message;
a version field indicating a version of message format being used;
a packet length field indicating a length of a tunneled message; and
a packet field that carries the packet of information.
2. The non-transitory, computer-readable medium of claim 1 , wherein the message comprises a packet length field immediately preceding the message header field, and wherein the packet length field indicates a length of an enclosing packet enclosing the packet.
3. The non-transitory, computer-readable medium of claim 1 , wherein the instructions are executable to cause the processor to overlay the packet on a profile of a plurality of profiles, and wherein each profile of the plurality of profiles comprises a set of schema for encoding and decoding messages.
4. The non-transitory, computer-readable medium of claim 3 , wherein the overlaid profile comprises:
a core profile comprising a set of basic schemas;
a data management profile comprising a set of data management schemas that enables the managing and accessing remote data;
a bulk data transfer profile comprising a set of bulk data transfer schemas that enables bulk transfers of data between electronic devices; or
a status reporting profile comprising a set of status reporting schemas that enables sending or receiving status information within the fabric network.
5. The non-transitory, computer-readable medium of claim 1 , wherein the instructions are executable to cause the processor to encode the packet in a tag-length-value format.
6. The non-transitory, computer-readable medium of claim 1 , wherein the message comprises a source ID flag that indicates whether a source address for a device is included in the message, and wherein the source address indicates a sending device formatted in a Unique Local Address format comprising:
a global ID having 40 bits of data configured to identify the fabric network in which the sending device is connected;
a subnet ID having 16 bits of data configured to identify a logical network in the fabric network in which the sending device is connected; or
an interface ID having 64 bits of data configured to identify the sending device.
7. The non-transitory, computer-readable medium of claim 1 , wherein the message comprises a destination ID flag that indicated whether a destination address is included in the message, wherein the destination address indicates a destination device that is connected to the fabric network, and wherein the destination address is formatted in a Unique Local Address format comprising:
a global ID having 40 bits of data configured to identify the fabric network in which the destination device is connected;
a subnet ID having 16 bits of data configured to identify a logical network in the fabric network in which the destination device is connected; and
an interface ID having 64 bits of data configured to identify the destination device.
8. The non-transitory, computer-readable medium of claim 1 , wherein the message comprises a message integrity check field that has a length based at least in part on an encryption type indicated by an encryption type field in the message header.
9. The non-transitory, computer-readable medium of claim 8 , wherein the message comprises:
a key ID field that indicates an encryption or message integrity key used to encrypt the message indicated by the encryption type field;
an initialization vector field that comprises an initialization vector used to encrypt the message indicated by the encryption type field;
a padding field comprising a length of bytes representing cryptographic padding added to the message to make an encrypted portion of the message evenly divisible by an encryption block size; or
a message signature field located at an end of the message, wherein the message signature field includes a cryptographic signature for the message based at least in part on a signature type indicated by a signature type field.
10. The non-transitory, computer-readable medium of claim 1 , wherein the data packet encloses an Internet Protocol packet that encloses a Uniform Datagram Protocol packet.
11. The non-transitory, computer-readable medium of claim 1 , wherein the data packet includes:
the message header field comprising:
an addressing indicator to indicate whether addressing information is included in the message; and
a message ID field configured to identify a message with an identifier that is unique for a device in the fabric network that encodes or sends the message, wherein the message ID field follows the message header field.
12. The non-transitory, computer-readable medium of claim 1 , wherein the packet is transmitted via at least one of a plurality of networks, and wherein one of the plurality of networks is a low-power wireless mesh network.
13. The non-transitory, computer-readable medium of claim 12 , wherein the low-power wireless mesh network comprises an 802.15.4 wireless network.
14. The non-transitory, computer-readable medium of claim 13 , wherein a second network of the plurality of networks comprises an 802.11 wireless network.
15. An electronic device comprising:
a processor; and
memory, comprising instructions executable by the processor to configure the electronic device to:
transmit, to a remote service using a tunneled connection through multiple networks of a fabric network, a packet of information in a message using a Weave communication protocol that is common to devices in the fabric network, the message comprising a data packet that includes a tunnel header and an application payload;
the tunnel header comprising:
a length field indicating a length of the message;
a message header field configured to indicate:
a message type indicating that the message includes the packet of information is that is to be transmitted via a tunnel; and
a security indicator to indicate whether security information is included in the message;
a version field indicating a version of message format being used;
a packet length field indicating a length of a tunneled message; and
a packet field that carries the packet of information.
16. The electronic device of claim 15 , wherein the message comprises a packet length field immediately preceding the message header field, and wherein the packet length field indicates a length of an enclosing packet enclosing the packet.
17. The electronic device of claim 15 , wherein the data packet encloses an Internet Protocol packet that encloses a Uniform Datagram Protocol packet.
18. The electronic device of claim 15 , wherein the packet is transmitted via at least one of a plurality of networks, and wherein one of the plurality of networks is a low-power wireless mesh network.
19. The electronic device of claim 18 , wherein the low-power wireless mesh network comprises an 802.15.4 wireless network, and wherein a second network of the plurality of networks comprises an 802.11 wireless network.
20. A method for transmitting data by a sensor device in an internetwork of a plurality of networks including a relatively low-power wireless mesh network, the method comprising:
transmitting, to a remote service using a tunneled connection through multiple networks of the internetwork of the plurality of networks, a packet of information in a message using a Weave communication protocol that is common to devices in the internetwork of the plurality of networks, the message comprising a data packet including a tunnel header and an application payload;
the tunnel header comprising:
a length field indicating a length of the message;
a message header field configured to indicate:
a message type indicating that the message includes the packet of information is that is to be transmitted via a tunnel; and
a security indicator to indicate whether security information is included in the message;
a version field indicating a version of message format being used;
a packet length field indicating a length of a tunneled message; and
a packet field that carries the packet of information.