Methods, systems, and computer program products for sharing information for detecting an idle TCP connection

• US 10,075,565 B1
• Filed: 03/07/2018
• Issued: 09/11/2018
• Est. Priority Date: 02/27/2010
• Status: Active Grant

• Current Assignee: Jenam Tech, LLC (Oso IP, LLC)
• Original Assignee: Sitting Man LLC
• Inventors: Morris, Robert Paul
• Primary Examiner(s): Meky, Moustafa M
• Application Number:
  US15/915,052
• Time in Patent Office: 188 Days
• CPC Class Codes: G06F 9/5027 the resource being a machine, e.g. CPUs, Servers, Terminals
• CPC Class Codes: H04L 69/16 Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
• CPC Class Codes: H04L 69/18 Multiprotocol handlers, e.g. single devices capable of handling multiple protocols

Abstract

An apparatus is provided comprising: a server computer including: a non-transitory memory storing a network application; and one or more processors in communication with the non-transitory memory, wherein the one or more processors execute the network application to operate in accordance with a first protocol including a transmission control protocol (TCP), the apparatus, when operating in accordance with the first protocol to establish a TCP connection with a client computer, configured to: communicate a segment including at least one first synchronize bit; communicate a first acknowledgement of the segment, and at least one second synchronize bit; and communicate a second acknowledgement; said server computer, further configured to communicate, to the client computer, code that, when used by the client computer, causes the client computer to operate in accordance with a second protocol that is separate from the TCP, in order to establish a second protocol connection with another server computer, by: receiving a packet; detecting an idle time period parameter field in the packet; identifying metadata in the idle time period parameter field for an idle time period, where, after the idle time period is detected, the second protocol connection is deemed inactive; and creating or modifying, by the client computer and based on the metadata, a timeout attribute associated with the second protocol connection.

Claims

1. An apparatus comprising:

a server computer including;

a non-transitory memory storing a network application; and

one or more processors in communication with the non-transitory memory, wherein the one or more processors execute the network application to operate in accordance with a first protocol including a transmission control protocol (TCP), the server computer, when operating in accordance with the first protocol to establish a TCP connection with a client computer, configured to;

communicate a segment including at least one first synchronize bit;

communicate a first acknowledgement of the segment, and at least one second synchronize bit; and

communicate a second acknowledgement;

said server computer, further configured to communicate, to the client computer, code that, when used by the client computer, causes the client computer to operate in accordance with a second protocol that is separate from the TCP, in order to establish a second protocol connection with another server computer, by;

receiving a packet;

detecting an idle time period parameter field in the packet;

identifying metadata in the idle time period parameter field for an idle time period, where, after the idle time period is detected, the second protocol connection is deemed inactive; and

creating or modifying, by the client computer and based on the metadata, a timeout attribute associated with the second protocol connection.

2. The apparatus of claim 1 wherein the code, when used by the client computer, causes the client computer to operate such that the creating or modifying the timeout attribute renders one or more keep-alive packets in the second protocol connection unnecessary.

3. The apparatus of claim 1 wherein the code, when used by the client computer, causes the client computer to operate such that the receiving is performed subsequent to sending, by the client computer to the another server computer, another packet including other metadata including an idle time period parameter.

4. The apparatus of claim 3 wherein the metadata is the same as the other metadata.

5. The apparatus of claim 3 wherein the metadata is different from the other metadata.

6. The apparatus of claim 3 wherein the metadata is based on the other metadata.

7. The apparatus of claim 1 wherein the code, when used by the client computer, causes the client computer to operate such that the timeout attribute is specified in a number of seconds or minutes.

8. The apparatus of claim 1 wherein the code, when used by the client computer, causes the client computer to operate such that the metadata is used as input of an algorithm for determining a duration of time associated with the timeout attribute.

9. The apparatus of claim 8 wherein the algorithm is determined, in response to the identification of the metadata and based on at least one particular attribute not related to the metadata.

10. The apparatus of claim 1 wherein the code, when used by the client computer, causes the client computer to operate such that the creation or the modification of the timeout attribute results from a negotiation between the client computer and the another server computer via a negotiation protocol specific to the second protocol.

11. The apparatus of claim 1 wherein the code, when used by the client computer, causes the client computer to operate in accordance with the second protocol that is separate from the TCP to:

detect the idle time period based on the timeout attribute; and

deactivate the second protocol connection in response to detecting the idle time period.

12. The apparatus of claim 1 wherein the code, when used by the client computer, causes the client computer to utilize the second protocol instead of the TCP in order to permit communication, between the client computer and the another server computer, of the timeout attribute, where no timeout attribute is communicated when establishing the TCP connection in accordance with the TCP, but is available when establishing the second protocol connection so as to permit the second protocol connection to be placed in a particular state based on the timeout attribute when the second protocol connection is inactive, where the particular state is such that only one of the client computer or the another server computer is allowed to transmit data to the other one.

13. The apparatus of claim 1 wherein the code, when used by the client computer, causes the client computer to operate such that the timeout attribute is used to determine whether to at least partially close the second protocol connection when inactive.

14. The apparatus of claim 1 wherein the code is communicated by permitting the client computer to fetch the code from the server computer utilizing the TCP connection and a hypertext transfer protocol (HTTP).

15. An apparatus comprising:

a server computer including;

a non-transitory memory storing a network application; and

one or more processors in communication with the non-transitory memory, wherein the one or more processors execute the network application to operate in accordance with a first protocol including a transmission control protocol (TCP), the server computer, when operating in accordance with the first protocol to establish a TCP connection with a client computer, configured to;

communicate a segment including at least one first synchronize bit;

communicate a first acknowledgement of the segment, and at least one second synchronize bit; and

communicate a second acknowledgement;

said server computer further configured to communicate, to the client computer, code that, when used by the client computer, results in the client computer operating in accordance with a second protocol that is separate from the TCP, in order to establish a second protocol connection with another server computer, by;

identifying idle information for detecting an idle time period, after which, the second protocol connection is subject to deactivation;

generating a second protocol packet including an idle time period parameter field identifying metadata for the idle time period based on the idle information; and

sending, from the client computer to the another server computer, the second protocol packet to provide the metadata for the idle time period to the another server computer, for use by the another server computer in creating or modifying, based on the metadata, a timeout attribute associated with the second protocol connection.

16. The apparatus of claim 15 wherein the code, when used by the client computer, results in the client computer operating such that the timeout attribute is an attribute of the idle time period.

17. The apparatus of claim 15 wherein the code is communicated by permitting the client computer to fetch the code from the server computer utilizing the TCP connection and a hypertext transfer protocol (HTTP).

18. The apparatus of claim 15 wherein the code, when used by the client computer, results in the client computer operating such that the metadata includes a first value and the timeout attribute is capable of being created or modified, by the another server computer, to include a second value that is different than the first value of the metadata.

19. The apparatus of claim 15 wherein the code, when used by the client computer, results in the client computer operating such that the timeout attribute is a number of seconds or minutes.

20. The apparatus of claim 15 wherein the code, when used by the client computer, results in the client computer operating such that the creation or the modification of the timeout attribute results from an exchange between the client computer and the another server computer.

21. The apparatus of claim 15 wherein the code, when used by the client computer, results in the client computer operating in accordance with the second protocol that is separate from the TCP, by:

detecting the idle time period; and

deactivating the second protocol connection by communicating a particular packet between the client computer and the another server computer, in response to detecting the idle time period.

22. The apparatus of claim 15 wherein the code, when used by the client computer, results in the client computer utilizing the second protocol instead of the TCP in order to permit negotiation, between the client computer and the another server computer, of the timeout attribute, where the timeout attribute is not communicated when establishing the TCP connection in accordance with the TCP, but is communicated when establishing the second protocol connection so as to permit the second protocol connection to be at least partially closed when inactive based on the timeout attribute.

23. The apparatus of claim 15 wherein the code, when used by the client computer, results in the client computer operating such that the timeout attribute serves to keep the second protocol connection open when inactive, and to prevent the another server from closing the second protocol connection when inactive.

24. The apparatus of claim 15 wherein the code, when used by the client computer, results in the client computer operating such that the second protocol packet and the metadata included therewith are sent by the client computer to the another server computer, in response to receiving, by the client computer from the another server computer, another second protocol packet with other metadata.

25. An apparatus comprising:

a server computer including;

a non-transitory memory storing instructions; and

one or more processors in communication with the non-transitory memory, wherein the one or more processors execute the instructions such that a network application operates in accordance with a first protocol including a transmission control protocol (TCP), the server computer, when operating in accordance with the first protocol to set up a TCP connection, configured to;

communicate a segment including at least one first synchronize bit;

communicate a first acknowledgement of the segment, and at least one second synchronize bit; and

communicate a second acknowledgement;

said server computer further configured to communicate, to a client computer, code that, when used by the client computer, causes the client computer to operate in accordance with a second protocol that is different from the TCP and that operates above an Internet Protocol (IP) layer and below a hypertext transfer protocol (HTTP) application layer, in order to setup a second protocol connection with another server computer, by;

receiving, by the client computer from the another server computer, a packet;

identifying metadata, that specifies a number of seconds or minutes, in an idle time period parameter field in the packet for an idle time period, during which, no packet is communicated that meets each of the following criteria;

a) communicated via the second protocol connection, and b) causes the second protocol connection to be kept at least partially alive; and

determining, by the client computer and based on the metadata, a timeout attribute associated with the second protocol connection.

26. The apparatus of claim 25 wherein the code is communicated by permitting the client computer to fetch the code from the server computer utilizing the TCP connection and a hypertext transfer protocol (HTTP).

27. The apparatus of claim 26 wherein at least one of:

the communication includes only receiving;

the communication includes only sending;

the communication includes receiving and sending;

the instructions are separate from the network application;

the instructions are part of the network application;

the first acknowledgement of the segment and the at least one second synchronize bit are communicated together;

the communication of;

the segment including the at least one first synchronize bit, the first acknowledgement of the segment, the at least one second synchronize bit, and the second acknowledgement, is carried out via a 3-way handshake;

the segment includes a signal;

the segment includes a packet;

the second protocol includes a variant to the TCP;

the second protocol includes an extension to the TCP;

the second protocol includes a non-TCP protocol;

the second protocol connection includes a first connection that is set up;

the second protocol connection includes an initial connection that is set up;

the metadata specifies a number of seconds;

the metadata specifies a number of minutes;

the packet is informational;

the packet is received directly by the another server computer from the client computer;

the packet is received by the another server computer from the client computer via at least one other intermediate computer;

the code includes machine code or program code;

the code includes a readable instruction;

the code includes a data structure;

the code includes a program component;

the code is an instruction;

the code is a data structure;

the code is a program component;

the code is software;

the timeout attribute is capable being the same as the metadata;

the timeout attribute is capable being different from the metadata;

the timeout attribute specifies a time duration;

the determining the timeout attribute includes at least one of modifying, creating, or deleting the timeout attribute;

the second protocol operates directly above the IP layer;

the second protocol operates directly below the HTTP application layer;

or

during the idle time period, a data-equipped second protocol packet is capable of being received by the client computer in another connection separate from the second protocol connection.

28. The apparatus of claim 25 wherein the code is communicated by permitting the client computer to fetch the code from the server computer utilizing the TCP connection and a hypertext transfer protocol (HTTP), and further wherein the code, when used by the client computer, causes the client computer to operate in accordance with the second protocol that is different from the TCP, by:

detecting the idle time period based on the timeout attribute; and

deactivating the second protocol connection by communicating a particular packet between the client computer and the another server computer, in response to detecting the idle time period.

29. An apparatus comprising:

a server computer including;

a non-transitory memory storing instructions; and

one or more processors in communication with the non-transitory memory, wherein the one or more processors execute the instructions such that a network application operates in accordance with a first protocol including a transmission control protocol (TCP) that operates above an Internet Protocol (IP) layer and below a hypertext transfer protocol (HTTP) application layer, the server computer configured to operate in accordance with the first protocol to set up a TCP connection with a client computer;

said server computer further configured to communicate, to the client computer, a data structure that, when used by the client computer, results in the client computer operating in accordance with a second protocol, that is different from the TCP and operates above the IP layer and below the HTTP application layer, in order to setup a second protocol connection with another server computer, by;

identifying idle information for use in detecting an idle time period during which no signal is communicated that meets each of the following criteria;

a) communicated in the second protocol connection, and b) results in the second protocol connection being kept alive;

generating, based on the idle information, a second protocol packet including an idle time period parameter field identifying metadata that is specified in a number of seconds or minutes; and

sending, from the client computer to another server computer and during the set up of the second protocol connection, the second protocol packet to provide the metadata to the another server computer, for use by the another server computer in determining a timeout attribute associated with the second protocol connection.

30. The apparatus of claim 29 wherein the data structure is communicated by permitting the client computer to fetch the data structure from the server computer utilizing the TCP connection and a hypertext transfer protocol (HTTP);

wherein the data structure, when used by the client computer, results in the client computer operating in accordance with the second protocol that is different from the TCP such that the determination of the timeout attribute results from an exchange between the client computer and the another server computer; and

wherein the data structure, when used by the client computer, further results in the client computer operating in accordance with the second protocol that is different from the TCP, by;

detecting the idle time period based on the idle information; and

releasing a resource allocated for the second protocol connection by one of the client computer and the another server computer without signaling another one of the client computer and the another server computer, in connection with the detection of the idle time period.