Server Machine and Network Processing Method

• US 20090190590A1
• Filed: 03/18/2008
• Published: 07/30/2009
• Est. Priority Date: 01/29/2008
• Status: Active Grant

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Nakano, Takahiro, Agetsuma, Masakuni
• Granted Patent: US 8,661,128 B2
• Time in Patent Office: Days
• US Class Current: 370/392
• CPC Class Codes: H04L 67/10 in which an application is distributed across nodes in the network software deployment G06F8/60; multiprogramming arrangements G06F9/46
• CPC Class Codes: H04L 67/1001 for accessing one among a plurality of replicated servers
• CPC Class Codes: H04L 67/1014 based on the content of a request
• CPC Class Codes: H04L 69/14 Multichannel or multilink protocols
• CPC Class Codes: H04L 69/40 for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection management of faults, events, alarms or notifications in data switching networks H04L41/06
• CPC Class Codes: Y02D 30/50 in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

An object of the present invention is to provide a server machine and network processing method capable of running a plurality of same server applications at a time on a single OS in a single sever machine.

A server machine comprises a packet dispatching processor for retrieving a destination application group of a communication packet based on first identification information included in a communication packet received by any of a plurality of ports and first management information; for retrieving a plurality of endpoints based on second identification information included in the communication packet and second management information; and for dispatching the communication packet to a server application corresponding to any of the plurality of the retrieved endpoints and belonging to the retrieved application group.

Claims

1. A server machine connected to one or more client computers via a network, comprising:

a plurality of ports,

a plurality of application groups to which a plurality of server applications providing services belong,

first management information associating the application group with first identification information used by a server application belonging to the application group,

a second management information associating second identification information identifying the plurality of ports with a plurality of endpoints consisting of a set of the first identification information and the second identification information, and

a packet dispatching processor for retrieving a destination application group of a communication packet based on first identification information included in the communication packet received by any of the plurality of ports and the first management information;

for retrieving a plurality of endpoints based on second identification information included in the communication packet and the second management information; and

for dispatching the communication packet to a server application corresponding to any of the plurality of the retrieved endpoints and belonging to the retrieved application group.

2. The server machine according to claim 1, wherein:

the packet dispatching processor retrieves an application group sending the communication packet instead of retrieving a destination application group of the communication packet based on the first identification information and the first management information, when the first identification information included in the communication packet is a loopback address.

3. The server machine according to claim 1, wherein:

the packet dispatching processor judges whether or not a recipient address can be received by the endpoint based on the second identification information included in the communication packet and the second management information, and dispatches the communication packet to the application group associated with the endpoint or to the application group having an address equivalent to a recipient address for the endpoint.

4. The server machine according to claim 1, wherein:

the recipient address is an ANY address.

5. The server machine according to claim 1, wherein:

the first management information further associates the first identification information with added network interface information.

6. The server machine according to claim 1, wherein:

the second management information further associates the second identification information with information on a recipient address which can be received by the endpoint.

7. The server machine according to claim 5, wherein:

when a source application group for sending the communication packet and the network interface are managed as the first management information, the first identification information managed as the first management information is set as a source address for the communication packet.

8. The server machine according to claim 5, further comprising:

a network interface validation processor for registering first identification information to be set, a network interface to which the first identification information is added, and an application group to which a source server application requesting for using the network interface belongs, when the first identification information to be set is not managed as the first management information.

9. The server machine according to claim 5, further comprising:

a network interface invalidation processor for deleting first identification information to be deleted, a network interface to which the first identification information is added, and an application group to which a source server application requesting for using the network interface belongs, when the first identification information to be deleted is managed as the first management information.

10. A network processing method for a sever machine connected to one or more client computers via a network, comprising:

a first association step for associating a plurality of application groups to which a plurality of server applications providing services belong with first identification information which can be used by a server application belonging to the application group, as first management information,

a second association step for associating second identification information identifying the plurality of ports with a plurality of endpoints consisting of a set of the first identification information and the second identification information, as second management information, and

a packet dispatching processing step for retrieving a destination application group of a communication packet based on first identification information included in the communication packet received by any of the plurality of ports and the first management information;

for retrieving a plurality of endpoints based on second identification information included in the communication packet and the second management information; and

for dispatching the communication packet to a server application corresponding to any of the plurality of the retrieved endpoints and belonging to the retrieved application group.

11. The network processing method according to claim 10, wherein:

in the step of the packet dispatching processing,

an application group sending the communication packet is retrieved instead of retrieving a destination application group of the communication packet based on the first identification information and the first management information, when the first identification information included in the communication packet is a loopback address.

12. The network processing method according to claim 10, wherein:

in the step of the packet dispatching processing,

the packet dispatching processor judges whether or not a recipient address can be received by the endpoint based on the second identification information included in the communication packet and the second management information, and dispatches the communication packet to the application group associated with the endpoint or to the application group having an address equivalent to a recipient address for the endpoint.

13. The network processing method according to claim 10, wherein:

the recipient address is an ANY address.

14. The network processing method according to claim 10, wherein:

the first management information further associates the first identification information with added network interface information.

15. The network processing method according to claim 10, wherein:

the second management information further associates the second identification information with information on a recipient address which can be received by the endpoint.

16. The network processing method according to claim 14, wherein:

when a source application group for sending the communication packet and the network interface are managed as the first management information, the first identification information managed as the first management information is set as a source address for the communication packet.

17. The network processing method according to claim 14, further comprising the step of:

a network interface validation processing for registering first identification information to be set, a network interface to which the first identification information is added, and an application group to which a source server application requesting use of the network interface belongs, when the first identification information to be set is not managed as the first management information.

18. The network processing method according to claim 14, further comprising:

a network interface invalidation processing step for deleting;

first identification information to be deleted;

a network interface to which the first identification information is added; and

an application group to which a source server application requesting for using the network interface belongs, when the first identification information to be deleted is managed as the first management information.

19. A server machine connected to one or more client computers via a network, comprising:

a plurality of ports,

a plurality of application groups to which a plurality of server applications providing services belong,

management information associating the application group with first identification information, which is used by a server application belonging to the application group and by which a communication packet can be received with any of the plurality of ports, and

a packet dispatching processor for retrieving a destination application group of a communication packet based on first identification information included in the communication packet and the management information; and

for dispatching the communication packet to a server application having the first identification information and belonging to the retrieved application group.