Cross-stratum optimization protocol across an interface between the service stratum and the transport stratum

Patent metadata

Field	Value
Publication number	US-11316730-B2
Application number	US-201816206705-A
Country	US
Kind code	B2
Filing date	Nov 30, 2018
Priority date	Aug 26, 2010
Publication date	Apr 26, 2022
Grant date	Apr 26, 2022

Abstract

An apparatus comprising an application cross-stratum optimization (CSO) gateway (ACG) coupled to an application layer that handles a plurality of servers, a network CSO gateway (NCG) coupled to a network layer that handles a plurality of network nodes and configured to communicate with the ACG using a CSO protocol (CSOP), and a CSO interface established between the ACG and the NCG that enables the exchange of a plurality of CSOP messages to allow joint application-network resource allocation, provisioning, and optimization. Also disclosed is a network apparatus implemented method comprising sending a user profile from a user plane to an application plane, sending an application profile from the application plane to a network plane via a CSO interface between an ACG and a NCG, and sending network capability information from the network plane to the application plane via the CSO interface.

First claim

What is claimed is:

1. A method, comprising:
sending a resource query from a service stratum gateway to a transport stratum gateway via an interface using a cross-stratum optimization protocol (CSOP) between the service stratum gateway and the transport stratum gateway, wherein the service stratum gateway is configured to access application related data and processes in a service stratum comprising a plurality of servers, and wherein the transport stratum gateway is configured to access network related data at a transport stratum including a plurality of network nodes;
exchanging status data for monitoring, controlling, and managing the transport network between the service stratum gateway and the transport stratum gateway across the interface to enable cross-stratum optimization of application resources and network resources; and
transmitting a reservation request from the service stratum gateway to the transport stratum gateway via the interface to reserve a guaranteed bandwidth across the transport network, wherein the reservation request including a path object having a type length value (TLV) field that carries a path identifier identifying a path to be reserved, and the reservation request comprises a service profile indicating a quality of service (QoS) an application requires of the transport network.

2. The method of claim 1 , wherein the resource query comprises a source, a destination, a bandwidth, a maximum latency, and a maximum jitter.

3. The method of claim 1 , further comprising receiving a Keep Alive message at the service stratum gateway from the transport stratum gateway.

4. The method of claim 1 , wherein the reservation request is sent to setup a new path in the transport stratum or modify an existing path in the transport stratum.

5. The method of claim 4 , wherein the resource query is sent to get a status of resources in the transport stratum to perform a cross stratum optimization calculation.

6. The method of claim 5 , further comprising receiving a response message at the service stratum gateway from the transport stratum gateway in response to the resource query, the response message comprising a status of resources in the transport stratum.

7. The method of claim 1 , wherein the reservation request comprises a service profile object generated in the service stratum and indicating data related to the request.

8. The method of claim 7 , wherein the reservation request comprises an object indicating a requested bandwidth.

9. The method of claim 7 , wherein the reservation request comprises an object indicating a bi-directional path constraint.

10. The method of claim 7 , wherein the reservation request comprises an object indicating a unidirectional path constraint.

11. The method of claim 7 , wherein the reservation request comprises an object indicating a request for a 1+1 protection across the transport stratum.

12. The method of claim 7 , wherein the reservation request further comprises performance constraint object indicating constraints for the reservation request.

13. The method of claim 12 , wherein the performance constraint object indicates a jitter bound for the request.

14. The method of claim 12 , wherein the performance constraint object indicates a latency delay bound.

15. A service stratum gateway comprising:
a transmitter configured to send a resource query to a transport stratum gateway via an interface using a cross-stratum optimization protocol (CSOP) between the service stratum gateway and the transport stratum gateway, wherein the service stratum gateway is configured to access application related data and processes in a service stratum comprising a plurality of servers, and wherein the transport stratum gateway is configured to access network related data at a transport stratum including a plurality of network nodes;
a receiver configured to receive status data for monitoring, controlling, and managing the transport network from the transport stratum gateway across the interface to enable cross-stratum optimization of application resources and network resources; and
a processor coupled to the transmitter and receiver and configured to cause the transmitter to transmit a reservation request to the transport stratum gateway via the interface to reserve a guaranteed bandwidth across the transport network, wherein the reservation request including a path object having a type length value (TLV) field that carries a path identifier identifying a path to be reserved, and the reservation request comprises a service profile indicating a quality of service (QoS) an application requires of the transport network.

16. The service stratum gateway of claim 15 , wherein the reservation request is sent to setup a new path in the transport stratum or modify an existing path in the transport stratum.

17. The service stratum gateway of claim 15 , wherein the resource query is sent to get a status of resources in the transport stratum to perform a cross stratum optimization calculation.

18. The service stratum gateway of claim 15 , wherein the receiver is further configured to receive a response message from the transport stratum gateway via the interface in response to the resource query, the response message comprising a status of resources in the transport stratum.

19. The service stratum gateway of claim 15 , wherein the resource query comprises a source, a destination, a bandwidth, a maximum latency, and a maximum jitter.

Assignees

• Futurewei Technologies Inc

Inventors

• Lee Young
• Xia Yangsong

Classifications

• H04L43/08

  Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters · CPC title

• H04L43/20

  the monitoring system or the monitored elements being virtualised, abstracted or software-defined entities, e.g. SDN or NFV · CPC title

• H04L43/00

  Arrangements for monitoring or testing data switching networks · CPC title

• H04L45/64

  using an overlay routing layer · CPC title

• H04L41/0803 Primary

  Configuration setting · CPC title