CN1558635A - Method for transmitting network management and signaling information using Generic Framing Procedure - Google Patents
Method for transmitting network management and signaling information using Generic Framing Procedure Download PDFInfo
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- CN1558635A CN1558635A CNA2004100011233A CN200410001123A CN1558635A CN 1558635 A CN1558635 A CN 1558635A CN A2004100011233 A CNA2004100011233 A CN A2004100011233A CN 200410001123 A CN200410001123 A CN 200410001123A CN 1558635 A CN1558635 A CN 1558635A
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Abstract
The invention relates to a method for transmitting internet administrator instructions by employing general purpose frame procedures (GFP) characterized by that, the GFP administration and instruction function is expanded and reinforced, a GFP network administration frame and a GFP instruction frame are defined, wherein GFP client data frames, client administration frames and idle frames are subject to statistic multiplexing and transmission based on priority level, the priority levels for GFP network frames and GFP instruction frame transmission are configured to be the highest, and the GFP network administration frame and the GFP instruction frame are only transmitted when information exist instead of a timing basis.
Description
Technical field
The invention belongs to the network technology category, be when transmitting the network carrying from the data of customer network, video traffic, adopt a kind of method of general frame forming technology transfer webmaster and signaling information, promptly adopt Generic Framing Procedure to provide the interior supervisory communications passage of band and the method for signaling communication port for transmitting net.
Background technology
In order to guarantee professional transmission requirement, need effectively monitor and network management the business that in transmitting net, transmits.In traditional implementation method, generally adopt the mode of out-band channel to carry out transfer management communication port and signaling communication port, perhaps transfer management communication port and signaling communication port in the in-band channel that provides by SDH or OTN.Although these two kinds of methods all have good effect, also there are some limitation.As: adopt the limitation of first method (adopting the mode of out-band channel) to be: 1) management/signaling between the network element can depend on outside independent signaling network or public network, and independence is relatively poor; 2) the outer management/signalling path of band is compared and is with interior situation fail safe lower, is vulnerable to malicious attack.Adopt the limitation of second method (in-band channel that adopts SDH or OTN to provide) to be, although the management function of SDH, OTN is very powerful, but the management/signaling of network element system is too dependent on physical layer independent supervisory communications passage and some overhead field is provided, and need do bigger change to the management/signaling aspect of network element during the system update upgrading.Therefore when concrete network application, need take all factors into consideration.
Generic Framing Procedure (GFP) has outstanding features such as efficient, succinct, general, flexible, but faces the problems referred to above too as a kind of new standard (seeing ITU-TG.7041) of data encapsulation.Therefore GFP has defined Client Signal Fail message aspect management function, and the bit and the byte of sync that are used to refer to the client signal of the adaptive source of GFP end input are made mistakes, this message is sent to GFP place end, thus the performance monitoring function of realization remote client end link.As shown in Figure 1, in case the customer data stream of inlet monitors that signal is made mistakes or deterioration, will send to the GFP receiver module of Su Duan from CSF (the Client Signal Fail) message of the adaptive source of GFP end.Define no client signal LOS and customer data byte of sync at present and lost two kinds of type of messages of LCS.
Can solve and lack the fault detect of client's one side and the problem of fault location when carrying client is professional in transmitting net by defining such Client Signal Fail message, but depend merely on such management and monitoring function is still not enough.If especially data encapsulation is advanced behind the gfp frame directly at the WDM wavelength channel or when directly in optical fiber, transmitting, still undefined independent management at present/signaling communication port.
Summary of the invention
In view of above-mentioned two kinds of problems that scheme exists separately, the function that increases management/signaling aspect of GFP self is very necessary, also is very useful.For the further management and the signaling capability of enhanced GFP, the present invention is replenished the GFP of present employing and is expanded, and has realized supervisory communications passage and signaling communication port, respectively in order to the signaling of transfer management, monitoring information and control plane.The mode that this management/signaling information and data transmit on same circuit is called the management/signaling communication port in the band.For such scheme one, adopt GFP to realize that the scheme independence of supervisory communications passage in the band and signaling communication port is stronger, strongr, both can backup each other, but both get one during actual operation; For such scheme two, adopt GFP to realize being with the scheme of interior supervisory communications passage and signaling communication port to can be used as the useful additional of SDH, the original management system of OTN, and with gfp frame directly at the WDM wavelength channel or when directly in optical fiber, transmitting, supervisory communications passage that GFP provides and signaling communication port will be very necessary.
Technical scheme of the present invention is as follows: for the further management and the signaling capability of enhanced GFP, the present invention is replenished the GFP of present employing and is expanded.By the definition of the Payload Type Identifiers territory in the Type territory in the gfp frame head being replenished and expanding, defined GFP webmaster frame and GFP signaling frame, they will carry out based on the statistic multiplexing of priority with GFP client data frame, customer account management frame and empty frame and transmit.For guarantee GFP webmaster frame and GFP signaling frame network occur when congested can be promptly and accurately transmission, be changed to their priority the highest; Can not waste the bandwidth resources that transmit in the network under the situation that no information transmits in order to guarantee GFP webmaster frame and GFP signaling frame, GFP webmaster frame and GFP signaling frame are not timed sending, just but send when information is arranged.Adopt aforesaid way to realize supervisory communications passage and signaling communication port, respectively in order to the signaling of transfer management, monitoring information and control plane from GFP source end to GFP place end.
The mode that this management/signaling information and data transmit on same circuit is called the management/signaling communication port in the band, adopts GFP to realize being with the interior supervisory communications passage and the advantage of signaling communication port to be:
Management/signaling the communication port outer with band do not conflict, and both backup each other, but both get one during actual operation
Make the management/signaling between the network element can not rely on outside independent signaling network or public network, very strong independence and robustness are arranged.Externally signaling network or public network are unavailable or when breaking down, and all management/signaling messages can be transferred in in-band management/signaling communication port and be transmitted, and guarantee to transmit net and still can operate normally.
Management/signaling communication port in the band is compared and is with the safe and reliable of outer situation ten minutes, can not be subjected to malicious attack.Because GFP is based on the transmission that the frame multiplexing capacity is realized the webmaster frame, so the speed of the transfer rate of webmaster/signaling communication port is relevant with the priority of webmaster frame; The priority of the webmaster frame by adjusting GFP can realize webmaster/signaling communication port fast.
This webmaster based on the webmaster frame/signaling communication port carries out statistic multiplexing and then transmission by GFP, just transmits when also promptly information being arranged.It is wide that this characteristic has avoided wasting the transmission guipure on the one hand when not needing transfer management/signaling information, transmits net on the one hand when having management/signaling information to transmit enough bandwidth can be provided.
Because webmaster/signaling communication port is by the transparent transmission of GFP here, promptly GFP is to management/signaling frame information field formal definition in addition not.Therefore adopt webmaster/signaling communication port specifically to transmit which kind of information, realize which kind of function is to be decided by the management/signalling module in the network element, this mode has very big flexibility, and system is easy to upgrading.
Description of drawings
Fig. 1 carries out the schematic diagram of client's link management for GFP uses CSF
Fig. 2 is GFP management frames and GFP signaling frame structure chart
Fig. 3 is the schematic diagram of the multiplexing transmission of GFP webmaster frame and GFP signaling frame
Fig. 4 is the schematic diagram of the demultiplexing of GFP webmaster frame and GFP signaling frame
Embodiment
Below in conjunction with figure and embodiment implementation method of the present invention is described in further detail.
The implementation that adopts GFP to transmit webmaster and signaling information is to have defined independent GFP webmaster frame and GFP signaling frame, and the frame multiplexing capacity by GFP transmits.
1.GFP the definition of webmaster frame, GFP signaling frame:
For the GFP of non-NULL frame, Payload Type Identifiers is the foundation that is used for differentiating the gfp frame type, and ITU-T is current client data frame and the customer account management frame of having defined of GFP G.7041, and is as shown in table 1.The present invention replenishes ITU-TG.7041 GFP and expands, redetermination GFP management frames and GFP signaling frame, as shown in table 2.
Table 1 ITU-T is Payload Type Identifiers G.7041-GFP
| ????Payload?Type?Identifiers ????Type?Bits<15:13> | ????Usage |
| ????000 | ????Client?Data |
| ????100 | ????Client?Management |
| ????Others | ????Reserved |
Table 2 increases the GFP Payload Type Identifiers behind GFP management frames and the GFP signaling frame
| ????Payload?Type?Identifiers ????Type?Bits<15:13> | ??Usage |
| ????000 | ??Client?Data |
| ????100 | ??Client?Management |
| ????001 | ??Management?Communication |
| ????010 | ??Singaling?Communication |
| ????Others | ??Reserved |
2.GFP the structure of webmaster frame and GFP signaling frame
GFP management frames and GFP signaling frame structure are as shown in Figure 2, wherein above-mentioned definition is adopted in the PTI territory, in addition because GFP management frames and GFP signaling frame and customer data payload type are irrelevant, so in GFP management frames and the GFP signaling frame UPI territory in original GFP type field is defined as Spare.The definition in all the other each territories with use that all G.7041 GFP is consistent with ITU-T, this definition mode has guaranteed the GFP compatibility highly G.7041 with ITU-T.
3.GFP the transmission of webmaster frame and GFP signaling frame
The transmission of GFP webmaster frame and GFP signaling frame is based on the frame multiplexing capacity of GFP, is mapped to after multiplexing to transmit and transmits in the passage carrying out frame with client data frame, customer account management frame, empty frame, shown in Fig. 3,4.In multiplex process, the priority of GFP management frames and GFP signaling frame is higher than other each frame, and this helps realizing webmaster/signaling communication port fast, and has guaranteed the professional normal operation that network management system and signaling system when congested take place the client.Can not waste the bandwidth resources that transmit in the network under the situation that no information transmits in order to guarantee GFP webmaster frame and GFP signaling frame, GFP webmaster frame and GFP signaling frame are not timed sending, just but send when information is arranged.
4.GFP the application of webmaster frame and GFP signaling frame
In the application, GFP webmaster frame provides necessary supervisory communications passage for the realization of transfer system management function.Because GFP webmaster frame is transparent transmission for network management information, therefore in GFP webmaster frame, transmit which kind of information and realize which kind of management function is independent of outside the GFP category, have very big flexibility, system is easy to safeguard and upgrading.The management function that may adopt it to realize has:
1) configuration status of monitoring and Control Network is responsible in configuration management, set up, expand, transform at network and process that business is carried out in, configuration informations such as topology of networks, resource matched, user mode are defined, monitor and revise.
2) performance management guarantees Operation Network and the service quality that agreement is provided effectively.Comprise performance monitoring function, performance evaluation function and performance management controlled function.
3) fault management, its effect are to find and correct network failure rapidly, the validity of Dynamic Maintenance network, and its major function has alarm-monitor, fault location, test, business recovery etc.
4) safety management, its effect provide the maintaining secrecy of information, authentication and security row protection mechanism, make that service, data and the system in the network avoids invading and harassing and destroying.Mainly comprise risk analysis function, security service function, alarm, daily record and function of reporting and network management system defencive function.
5) accounting management, its effect are correct calculating and collect the ISP usefulness that the user uses, and carry out the statistics and the network cost benefit of network resource utilization and adjust.
The GFP signaling frame can be applicable to adopt the next generation of distributed control plane to transmit network, transmits passage for the signaling between network element provides in-band signalling, can transmit passage with out-of-band signalling and backup each other, and has increased the independence and the robustness on network control plane.
Claims (5)
1. an employing Generic Framing Procedure (GFP) transmits the method for webmaster and signaling information, it is characterized in that: the Payload Type Identifiers territory in the Type territory in GFP (seeing ITU-TG.7041) frame head definition is replenished and expands, GFP webmaster frame and GFP signaling frame have been defined, supervisory communications passage and the signaling communication port of realization from GFP source end to GFP place end is respectively in order to the signaling of transfer management, monitoring information and control plane.
2. the described employing Generic Framing Procedure of claim 1 transmits the method for webmaster and signaling information, it is characterized in that: in described GFP management frames and the GFP signaling frame UPI territory in original GFP type field is defined as Spare, the definition in all the other each territories is all consistent with ITU-TG.7041 GFP with use, and this definition mode has guaranteed the compatibility with the ITU-TG.7041GFP height.
3. claim 1,2 described employing Generic Framing Procedures transmit the method for webmaster and signaling information, it is characterized in that: the transmission of described GFP webmaster frame and GFP signaling frame is based on the frame multiplexing capacity of GFP, be mapped to after multiplexing to transmit and transmit this multiplexing statistic multiplexing that is based on priority in the passage carrying out frame with client data frame, customer account management frame, empty frame.
4. the described employing Generic Framing Procedure of claim 3 transmits the method for webmaster and signaling information, it is characterized in that: in described multiplex process, the priority of described GFP management frames and GFP signaling frame is higher than other each frame, help realizing webmaster/signaling communication port fast, and guaranteed the professional normal operation that network management system and signaling system when congested take place the client.
5. the described employing Generic Framing Procedure of claim 4 transmits the method for webmaster and signaling information, it is characterized in that: GFP webmaster frame and GFP signaling frame are not timed sending, but when information is arranged, just send, can under the situation that no information transmits, not waste the bandwidth resources that transmit in the network to guarantee GFP webmaster frame and GFP signaling frame.
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| CNA2004100011233A CN1558635A (en) | 2004-01-20 | 2004-01-20 | Method for transmitting network management and signaling information using Generic Framing Procedure |
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| CNA2004100011233A CN1558635A (en) | 2004-01-20 | 2004-01-20 | Method for transmitting network management and signaling information using Generic Framing Procedure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009065304A1 (en) * | 2007-11-19 | 2009-05-28 | Zte Corporation | A forwarding device and a forwarding method of signaling communication network information and management communication network information |
| CN101035112B (en) * | 2006-03-06 | 2010-07-14 | 中兴通讯股份有限公司 | Device and method for transferring the additional information |
| CN102377613A (en) * | 2010-08-24 | 2012-03-14 | 景略半导体(上海)有限公司 | Remote out-of-band management method and system for communication system |
| CN102546104A (en) * | 2011-12-28 | 2012-07-04 | 武汉烽火网络有限责任公司 | Method utilizing generic framing procedure to transmit network management information |
| CN103780438A (en) * | 2013-12-31 | 2014-05-07 | 广东九博电子科技有限公司 | Network management frame sending method based on FPGA network management system |
-
2004
- 2004-01-20 CN CNA2004100011233A patent/CN1558635A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101035112B (en) * | 2006-03-06 | 2010-07-14 | 中兴通讯股份有限公司 | Device and method for transferring the additional information |
| WO2009065304A1 (en) * | 2007-11-19 | 2009-05-28 | Zte Corporation | A forwarding device and a forwarding method of signaling communication network information and management communication network information |
| CN102377613A (en) * | 2010-08-24 | 2012-03-14 | 景略半导体(上海)有限公司 | Remote out-of-band management method and system for communication system |
| CN102377613B (en) * | 2010-08-24 | 2016-03-16 | 景略半导体(上海)有限公司 | A kind of remote out-of-band management method and system of communication system |
| CN102546104A (en) * | 2011-12-28 | 2012-07-04 | 武汉烽火网络有限责任公司 | Method utilizing generic framing procedure to transmit network management information |
| CN102546104B (en) * | 2011-12-28 | 2015-05-27 | 武汉烽火网络有限责任公司 | Method utilizing generic framing procedure to transmit network management information |
| CN103780438A (en) * | 2013-12-31 | 2014-05-07 | 广东九博电子科技有限公司 | Network management frame sending method based on FPGA network management system |
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