US 11,683,714 B2
Mobile edge computing with low latency traffic segregation within a PDN using dedicated bearers
Nithin Chitta, Pune (IN); Amit Ghadge, Pune (IN); and Dishant Mukeshbhai Parikh, Gujarat (IN)
Assigned to CISCO TECHNOLOGY, INC., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Aug. 6, 2019, as Appl. No. 16/532,790.
Claims priority of application No. 201921003519 (IN), filed on Jan. 29, 2019.
Prior Publication US 2020/0245182 A1, Jul. 30, 2020
Int. Cl. H04L 47/80 (2022.01); H04W 28/02 (2009.01); H04L 47/2441 (2022.01); H04L 47/20 (2022.01); H04L 61/256 (2022.01)
CPC H04W 28/0252 (2013.01) [H04L 47/20 (2013.01); H04L 47/2441 (2013.01); H04L 61/2571 (2013.01); H04W 28/0215 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
at an edge user plane entity in a mobile network, obtaining from a control plane entity, one or more rules for classifying traffic from a user equipment device as low latency traffic to be directed over a dedicated bearer for a local breakout by the edge user plane entity to a data network;
defining a network address translation rule specific to the low latency traffic in which a source address of packets determined to be associated with a packet flow that is the low latency traffic is replaced with an address of the edge user plane entity;
obtaining a packet sent by the user equipment device and received by a base station;
applying the one or more rules to the packet to determine whether the packet is associated with the packet flow that is the low latency traffic;
when the packet is determined to be associated with the packet flow that is the low latency traffic, performing a network address translation on the packet based on the network address translation rule and directing the packet over the dedicated bearer for the local breakout by the edge user plane entity to the data network; and
when the packet is determined not to be associated the packet flow that is the low latency traffic, directing the packet over a default bearer for central breakout to the data network.