Optimized Caching of Data in a Network of Nodes

Patent metadata

Field	Value
Publication number	US-2018368123-A1
Application number	US-201715627950-A
Country	US
Kind code	A1
Filing date	Jun 20, 2017
Priority date	Jun 20, 2017
Publication date	Dec 20, 2018
Grant date	—

Abstract

Methods and systems for optimized caching of data in a network of nodes are described herein. A server node of a plurality of server nodes may receive, from a device (e.g., a client device), a request for data. The request may be transmitted to the server node via a load balancing device. The server node may retrieve the data requested by the device. The server node may cache, at a cache location internal to the server node, the data requested by the device. The method may comprise transmitting, by the server node, a request to update a data mapping table to indicate a mapping of the server node and the data requested by the device.

First claim

What is claimed is:

1 . A system comprising:
a load balancing device comprising:
a processor; and
memory storing computer-executable instructions that, when executed by the processor, cause the load balancing device to:
receive, from a client device, a request for data; and
transmit, to a server node of a plurality of server nodes, the request for the data;

the server node comprising:
a processor; and
memory storing computer-executable instructions that, when executed by the processor of the server node, causes the server node to:
receive, from the load balancing device, the request for the data;
retrieve the data requested by the device;
cache, at a cache location internal to the server node, the data requested by the device; and
transmit a request to update a data mapping table to indicate a mapping of the server node and the data requested by the device.

2 . The system of claim 1 , wherein the transmitting the request to update the data mapping table to indicate the mapping of the server node and the data requested by the device comprises transmitting a request to update the data mapping table to store a data identifier associated with the data requested by the device, a server node identifier associated with the server node, and a mapping of the data identifier to the server node identifier.

3 . The system of claim 1 , wherein the data mapping table is stored at a shared cache that is accessible to each server node of the plurality of server nodes.

4 . The system of claim 1 , wherein the server node comprises a first server node, the system further comprising:
a second server node comprising:
a processor; and
memory storing computer-executable instructions that, when executed by the processor of the second server node, causes the second server node to:
receive, from the device, a request for the data, wherein the request for the data is transmitted to the second server node via the load balancing device;
access, based on the data mapping table, the indication of the mapping of the first server node and the data requested by the device;
transmit, to the first server node, a request for the data;
in response to transmitting, to the first server node, the request for the data, receive, from the first server node, the data; and
cache, at a cache location internal to the second server node, the data requested by the device.

5 . The system of claim 4 , wherein the memory of the second server node stores computer-executable instructions that, when executed by the processor of the second server node, causes the second server node to:
transmit, to the device, the data requested by the device.

6 . The system of claim 4 , wherein the memory of the second server node stores computer-executable instructions that, when executed by the processor of the second server node, causes the second server node to:
transmit a request to update the data mapping table to indicate a mapping of the second server node and the data requested by the device.

7 . The system of claim 4 , wherein the memory of the second server node stores computer-executable instructions that, when executed by the processor of the second server node, causes the second server node to:
transmit, to the first server node, a request for the first server node to delete, from the cache location internal to the first server node, the data requested by the device.

8 . The system of claim 1 , wherein the memory of the server node stores computer-executable instructions that, when executed by the processor of the server node, causes the server node to:
transmit, to the device, the data requested by the device.

9 . The system of claim 1 , wherein the load balancing device is configured to transmit the request to the server node based on a previous session between the device and the server node.

10 . The system of claim 1 , wherein the load balancing device is configured to transmit the request to the server node based on a load balancing stickiness technique.

11 . A method comprising:
receiving, from a device and by a server node of a plurality of server nodes, a request for data, wherein the request is transmitted to the server node via a load balancing device; retrieving, by the server node, the data requested by the device; caching, by the server node and at a cache location internal to the server node, the data requested by the device; and transmitting, by the server node, a request to update a data mapping table to indicate a mapping of the server node and the data requested by the device.

12 . The method of claim 11 , wherein the transmitting the request to update the data mapping table to indicate the mapping of the server node and the data requested by the device comprises transmitting a request to update the data mapping table to store a data identifier associated with the data requested by the device, a server node identifier associated with the server node, and a mapping of the data identifier to the server node identifier.

13 . The method of claim 11 , wherein the data mapping table is stored at a shared cache that is accessible to each server node of the plurality of server nodes.

14 . The method of claim 11 , wherein the server node comprises a first server node, the method further comprising:
receiving, from the device and by a second server node of the plurality of server nodes, a request for the data, wherein the request for the data is transmitted to the second server node via the load balancing device; accessing, by the second server node and based on the data mapping table, the indication of the mapping of the first server node and the data requested by the device; transmitting, by the second server node and to the first server node, a request for the data; in response to transmitting, by the second server node and to the first server node, the request for the data, receiving, by the second server node and from the first server node, the data; and caching, by the second server node and at a cache location internal to the second server node, the data requested by the device.

15 . The method of claim 14 , further comprising:
transmitting, by the second server node and to the device, the data requested by the device.

16 . The method of claim 14 , further comprising:
transmitting, by the second server node, a request to update the data mapping table to indicate a mapping of the second server node and the data requested by the device.

17 . The method of claim 14 , further comprising:
transmitting, by the second server node and to the first server node, a request for the first server node to delete, from the cache location internal to the first server node, the data requested by the device.

18 . The method of claim 11 , wherein the load balancing device is configured to transmit the request to the server node based on a previous session between the device and the server node.

19 . The method of claim 11 , wherein the load balancing device is configured to transmit the request to the server node based on a load balancing stickiness technique.

20 . An apparatus comprising:
a processor; and memory storing computer-executable instructions that, when executed by the processor, cause the apparatus to:
receive, from a device, a request for data, wherein the request is transmitted to the apparatus via a load balancing device;
retrieve the data requested by the device; cache, at a cache location internal to the apparatus, the data requested by the device; and

Assignees

• Citrix Systems Inc

Inventors

• Mistry Shaunak

Classifications

• H04W72/20 Primary

  Control channels or signalling for resource management · CPC title

• H04L67/2876

  Pairs of inter-processing entities at each side of the network, e.g. split proxies · CPC title

• G06F12/0824

  Distributed directories, e.g. linked lists of caches · CPC title

• H04W72/0406 Primary

  Electricity · mapped topic

• H04L67/2819

  Electricity · mapped topic