WO2007005131B1 - System and method for multiprotocol service discovery in a computer network - Google Patents
System and method for multiprotocol service discovery in a computer networkInfo
- Publication number
- WO2007005131B1 WO2007005131B1 PCT/US2006/019608 US2006019608W WO2007005131B1 WO 2007005131 B1 WO2007005131 B1 WO 2007005131B1 US 2006019608 W US2006019608 W US 2006019608W WO 2007005131 B1 WO2007005131 B1 WO 2007005131B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- protocol
- service
- service discovery
- advertisement
- requests
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1061—Peer-to-peer [P2P] networks using node-based peer discovery mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1061—Peer-to-peer [P2P] networks using node-based peer discovery mechanisms
- H04L67/1063—Discovery through centralising entities
Abstract
A multiprotocol service discovery system (104A) includes computer applications (100) and a middleware layer (102A) connected to a computer network having one or more protocol implementations. The middleware layer (102A) receives requests from the computer applications (100), forwards the requests to the protocol implementations, receives response to the requests from the protocol implementations, and returns the responses to the computer applications (100). In some embodiments, the middleware layer (102A) automatically routes service discovery requests to appropriate ones of the protocol implementations using a routing element. In still other embodiments, the middleware layer (102A) additionally or alternatively performs protocol conversion and translation which converts between common formats used by the computer applications (100) and protocol specific formats used by the protocol implementations.
Claims
1. A multiprotocol service discovery system, comprising: one or more computer applications operably connected to a computer network; a middleware layer operably connected to the computer network, wherein said middleware layer receives requests from said one or more computer applications, forwards the requests to one or more protocol implementations of the computer networK, receives responses to the requests from the one or more protocol implementations, and returns the responses to said one or more computer applications,
2. The system of claim 1, wherein said middleware layer receives service advertisements from the one or more protocol Implementations of the computer network, and forwards the service advertisements to said one or more computer applications.
3. The system of claim 1 , wherein said middleware layer receives notifications about registered services from the one or more protocol implementations of the computer network, and sends notifications requested by said one or more computer applications to said one or more computer applications.
4, The system of claim 3, wherein said one or more computer applications generating the notifications use service description content for each of the one or more protocol implementations, and said middleware layer forwards designated portions of service description content to designated protocol implementations.
5. The system of claim 1 » wherein at least two of the one or more protocol implementations operate on same network interfaces.
20
6. The system of claim 1, wherein at least two of the one or more protocol implementations operate on different network interfaces.
7, The system of claim 1 , wherein at least two of the one or more protocol implementations operate on same network transports.
8. The system of claim 1 , wherein at least two of the one or more protocol implementations operate on different network transports.
9. The system of claim 1 , wherein at least two of the one or more protocol implementations operate on same network media.
10. The system of claim 1 ι wherein at least two of the one or more protocol implementations operate on different network media.
11. The system of claim 1, wherein said middleware layer automatically routes service discovery requests to appropriate ones of the one or more protocol implementations of the computer network using a routing element.
12. The system of claim 1 , wherein said middleware layer performs protocol conversion and translation which converts from one or more common formats used by said one or more computer applications to protocol specific formats used by the one or more protocol implementations.
13. The system of claim 1 , wherein said middleware layer performs protocol conversion and translation which converts from one or more protocol specific formats used by the one or more protocol implementations to a common format used by said one or more computer applications.
14. The system of claim 1 , wherein one of said applications searching for a device issues a request to said middleware layer, and said middleware layer forwards the request to each SD stack after translation into an appropriate format for each protocol.
15. The system of claim 1, wherein a multiprotocol service discovery δ configuration involves SLP and at least one other protocol.
16. The system of claim 15, wherein a SLP user agent Issues a request to a SLP directory agent, which returns one or more devices, and then service information is returned to the application. 0
17. The system of claim 16, wherein the service information is returned to the application after translation into a common application format,
1 S. The system of claim 15, wherein the other protocol is UPnP.
19, The system of claim 18, wherein the request, which specifies a service, is issued using SSDP, which is a multicast protocol on top of HTTPMU1 the request is received by all listening UPnP devices, and those that provide the service respond with an SSDP reply,
20. The system of claim 19, wherein one or more UPnP devices advertise their availability using SSDP, and advertisements are cached in a local control point.
21. The system of claim 20, wherein the control point requests detailed service description documents from the devices, and service information is returned to the application.
22. The system of claim 21 , wherein the application then selects at least one of the devices and issues a service request.
23. The system of claim 15, wherein the other protocol is Bluetooth.
22
24. The system of claim 22, wherein local SDP records are searched for matching entries, an SDP layer sends requests to neighboring SDP layers to request matching service records, and then the service information is returned to the application.
25. The system of claim 1 , wherein the protocols include at least one of multiple service discovery protocols, multiple service advertisement protocols, or multiple service invocation protocols,
26. The system of claim 1, wherein said middleware layer performs identity management by operably mapping service discovery and advertisement function to and from a native service discovery and advertisement protocol format to a universal format.
27. The system of claim 1 , wherein said middleware layer performs identity management by mapping service discovery and advertisement function to and from a native service discovery and advertisement protocol format to a universal format,
28. The system of claim 1, wherein said middleware layer performs filtering by filtering service discovery and advertisement requests and notifications.
29. The system of claim 1, wherein said middleware layer performs grouping by associating service discovery and advertisement requests and notifications with groups that span multiple, separate service discovery and advertisement domains.
30. The system of claim 1, wherein said middleware layer handles service discovery and advertisement requests and notifications for composite services in one or more service discovery and advertisement domains.
23
31. a multiprotocol service discovery method, comprising: receiving requests from computer applications operably connected to a computer network; forwarding the requests to protocol Implementations of the computer network; receiving responses to the requests from the protocol implementations; and returning the responses to the computer applications,
32. The method of claim 30, further comprising automatically routing service discovery requests to appropriate ones of the protocol implementations using a routing element.
33. The method of claim 30, further comprising performing protocol conversion and translation to convert between common formats used by the computer applications and protocol specific formats used by the protocol implementations.
34. A multiprotocol service discovery method, comprising.1 discovering a first service discovery and advertisement protocol; and discovering a second service discovery and advertisement protocol, wherein the first service discovery and advertisement protocol is in a first service overlay.
35. The method of claim 33, wherein the second service discovery and advertisement protocol is in a second service overlay.
36. The method of claim 34, wherein the second service discovery and advertisement protocol is identical to the first service discovery and
24 advertisement protocol except for its location in the second service overlay instead of the first service overlay.
37, The method of claim 33, wherein the second service discovery and advertisement protocol is in the first service overlay, and is a different service discovery and advertisement protocol than the first service discovery and advertisement protocol.
38. The method of claim 33, further comprising employing federated service discovery to discover the first and second service discovery and advertisement protocols,
25
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68260705P | 2005-05-19 | 2005-05-19 | |
| US60/682,607 | 2005-05-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2007005131A2 WO2007005131A2 (en) | 2007-01-11 |
| WO2007005131A3 WO2007005131A3 (en) | 2007-06-07 |
| WO2007005131B1 true WO2007005131B1 (en) | 2007-08-02 |
Family
ID=37604923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2006/019608 WO2007005131A2 (en) | 2005-05-19 | 2006-05-19 | System and method for multiprotocol service discovery in a computer network |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2007005131A2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070286100A1 (en) * | 2006-06-09 | 2007-12-13 | Mika Juhani Saaranen | Local discovery of mobile network services |
| US7802009B2 (en) | 2007-06-26 | 2010-09-21 | Microsoft Corporation | Automatic reverse engineering of message formats from network traces |
| CN101409706B (en) * | 2007-10-09 | 2011-11-23 | 华为技术有限公司 | Method, system and relevant equipment for distributing data of edge network |
| US7836164B2 (en) | 2008-09-02 | 2010-11-16 | Sony Corporation | Extensible network discovery subsystem |
| US9043409B2 (en) | 2009-06-11 | 2015-05-26 | Qualcomm Incorporated | Methods and apparatus for a plug-in model for publishing structured meta-data based discovery |
| JP6253250B2 (en) | 2013-05-01 | 2017-12-27 | キヤノン株式会社 | COMMUNICATION DEVICE, COMMUNICATION DEVICE CONTROL METHOD, PROGRAM |
| US10873637B2 (en) | 2016-05-02 | 2020-12-22 | Microsoft Technology Licensing, Llc | Controlling service discovery and activation among peers |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002297559A (en) * | 2001-03-30 | 2002-10-11 | Sony Corp | Data processing method and device, and recording medium |
| KR20060033735A (en) * | 2003-06-25 | 2006-04-19 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | User-specific interaction with content stored on a upnp network |
| US7313120B2 (en) * | 2003-09-16 | 2007-12-25 | Nokia Corporation | Application control in peer-to-peer ad-hoc communication networks |
-
2006
- 2006-05-19 WO PCT/US2006/019608 patent/WO2007005131A2/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007005131A3 (en) | 2007-06-07 |
| WO2007005131A2 (en) | 2007-01-11 |
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