公开(公告)号：US20180241615A1

公开(公告)日：2018-08-23

申请号：US15436836

申请日：2017-02-19

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Konstantin Livanos ,  Ian McDowell Campbell ,  Charles C. Wolfinger

IPC: H04L12/24 ,  H04L12/26 ,  H04W24/04

CPC classification number: H04L41/0668 ,  H04L12/1407 ,  H04L41/046 ,  H04L43/0805 ,  H04L43/0817 ,  H04L61/203 ,  H04M15/00 ,  H04M15/57 ,  H04M15/66 ,  H04M15/8228 ,  H04W4/24 ,  H04W24/04 ,  H04W88/16

Abstract: A method is provided in one example embodiment and may include maintaining, by a Diameter Routing Agent (DRA), an availability status for a plurality of network elements; receiving a request associated with a user equipment (UE) session, wherein a first network element of the plurality of network elements is serving the UE session; determining that the first network element serving the UE session is unavailable; and re-establishing the UE session at a second network element of the plurality of network elements that is available, wherein the re-establishing is performed without terminating the UE session.

公开(公告)号：US11121911B2

公开(公告)日：2021-09-14

申请号：US16359847

申请日：2019-03-20

Applicant: Cisco Technology, Inc.

Inventor： Konstantin Livanos ,  Ian McDowell Campbell ,  Charles C. Wolfinger

IPC: H04L12/24 ,  H04W4/24 ,  H04L12/14 ,  H04L12/26 ,  H04M15/00 ,  H04W24/04 ,  H04L29/12 ,  H04W88/16

Abstract: A method is provided in one example embodiment and may include maintaining, by a Diameter Routing Agent (DRA), an availability status for a plurality of network elements; receiving a request associated with a user equipment (UE) session, wherein a first network element of the plurality of network elements is serving the UE session; determining that the first network element serving the UE session is unavailable; and re-establishing the UE session at a second network element of the plurality of network elements that is available, wherein the re-establishing is performed without terminating the UE session.

公开(公告)号：US10284420B2

公开(公告)日：2019-05-07

申请号：US15436836

申请日：2017-02-19

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Konstantin Livanos ,  Ian McDowell Campbell ,  Charles C. Wolfinger

IPC: H04L12/24 ,  H04L12/26 ,  H04W24/04 ,  H04L12/14 ,  H04W4/24 ,  H04M15/00 ,  H04L29/12 ,  H04W88/16

Abstract: A method is provided in one example embodiment and may include maintaining, by a Diameter Routing Agent (DRA), an availability status for a plurality of network elements; receiving a request associated with a user equipment (UE) session, wherein a first network element of the plurality of network elements is serving the UE session; determining that the first network element serving the UE session is unavailable; and re-establishing the UE session at a second network element of the plurality of network elements that is available, wherein the re-establishing is performed without terminating the UE session.