PATENT CLAIM ANALYSIS

Application Number: 15899323
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2019-08
Patent Classification: ["370", "401000"]

Abstract:
For a set of gateway devices at the edge of a logical network, some embodiments provide a method for ensuring that data messages from an external network requiring a stateful service are received at an active gateway device. The method advertises the availability of a set of internet protocol (IP) addresses from standby gateway devices with a higher cost than the cost advertised by an active gateway device. In some embodiments, the advertisement is made using a border gateway protocol. Data messages may be unexpectedly received on a standby node despite the higher advertised cost. This could happen due to asymmetric network failures. The method determines if a stateful service is needed for the data messages received on standby node. Based on the determination, the method forwards the received data message to the active gateway device for the active gateway device to provide the stateful service.

Claim (Index 11):
A non-transitory computer readable medium storing a program for execution by a set of processing units, the program comprising sets of instructions for:\n advertising, from a first gateway device, an availability of a set of internet protocol (IP) addresses to an external network, the first gateway device advertising the availability of the set of IP addresses with a higher cost than an availability for the same set of IP addresses advertised by a second gateway device; receiving a data message at the first gateway device directed to an IP address in the set of advertised IP addresses; determining that the received data message requires a stateful service provided at a gateway device; and based on the determination, forwarding the received data message to the second gateway device for the second gateway device to provide the stateful service.

Metadata:
- Claim Count in Document: 2.0
- Percentile: 88.0
- Lexical Diversity: 2.10667
- Patent Class: 370.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15831369', '15650260', '15387549', '14814473', '15420683']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5928391909342599
- 35 USC 102 Novelty (BERT): 0.5150751673856048
- Combined Prediction Score: 0.5850627885793943
- Mean Citation Score: 271.04451400000005
- Max Citation Score: 309.6009200000001
- Similarity Product: 200.06365354651456

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test