CN101098247B - Method for negotiating equipment process ability in remote management - Google Patents

Method for negotiating equipment process ability in remote management Download PDF

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Publication number
CN101098247B
CN101098247B CN2006100613792A CN200610061379A CN101098247B CN 101098247 B CN101098247 B CN 101098247B CN 2006100613792 A CN2006100613792 A CN 2006100613792A CN 200610061379 A CN200610061379 A CN 200610061379A CN 101098247 B CN101098247 B CN 101098247B
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cpe
acs
ability
recipient
transmit leg
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CN2006100613792A
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Chinese (zh)
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CN101098247A (en
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王东琦
丁志明
吴黄伟
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华为技术有限公司
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Abstract

The invention discloses a method for consulting device processing ability in remote management, which comprises that a, sender informs the ability for processing simple object access protocol SOAP message supported by self, to a receiver, b, the receivers receives the inform and informs the ability for supported SOAP message to the sender. The invention can overcome the defects of prior art, which uses ACS and CPE to consult the supported SOAP processing abilities when sending request or responding message, therefore, sender can send data pack in right size according to the consulted processing ability, to avoid the problems caused by over processing ability, to reduce unnecessary data pack transmission, realize devide differential, and reduce processing ability waste.

Description

The method of negotiating equipment process ability in a kind of telemanagement

Technical field

The present invention relates to equipment is carried out the telemanagement technical field, specifically, relate to the technology that ACS and CPE handle ability through consultation.

Background technology

Along with the high speed development of digital information technology, increasing IP-based equipment, for example gateway, IPTV (Web TV), VoIP (IP-based voice transfer) etc. begin to get into people's family and enterprises.Above-mentioned digital device is that core is carried out networking with the local gateway, and local gateway provides unified export abroad to connect Internet, and internally local various device interconnects through local gateway.

Along with increasing of various smart machines in family or the enterprise; Need the mechanism of a kind of ability, for example the terminal in family or the enterprise is disposed and sending down service, soft firmware upgrade and backup, equipment monitor and Device Diagnostic etc. automatically through long-range equipment control to family or enterprise network inside.

Existing broadband access technology is main with xDSL (x Digital Subscriber Line x Digital Subscriber Line); DSL Forum (DSL forum) is a normal structure; It has formulated respective standard, is used for long-range CPE being disposed automatically, and other management function is provided.The automatic configuration management model of DSL forum definition is as shown in Figure 1:

Wherein, The IP device of family or enterprises is referred to as CPE (Customer Premises Equipment customer premises equipment, CPE); ACS (Auto-configuration Server Automatic Configuration Server) disposes CPE automatically; Do not need the user to participate in to reach, just can carry out the purpose of Remote configuration CPE.

Defined many RPC (Remote Procedure Call remote procedure call) method in the respective standard that DSL Forum formulates, the RPC method has been stipulated the far call interface between CPE and the ACS, comprises request and corresponding response.For example can inquire about the value of one or more parameters by GetParameterValues (acquisition parameter value) the RPC method that ACS calls CPE; Call SetParameterValues (setup parameter value) RPC method and revise the value of one or more parameters.CPE accomplishes follow-up parameter query or retouching operation according to the information in these message, and provides corresponding response.

According to existing technical scheme; ACS and CPE did not know the ability of the other side's treatment S OAP (Simple Object Access Protocol, Simple Object Access Protocol) message before sending requests/response messages, and had also defined a parameter list in the above-mentioned standard; The value of a plurality of parameters is set in permission simultaneously in a response; If number of parameters is too much, transmit leg may occur and send an excessive soap message, surpassed recipient's disposal ability; The recipient just can not be correct this packet of processing; Corresponding processing strategy when realizing according to the recipient might cause that internal memory overflows, acquired information imperfect (recipient has carried out brachymemma), abandon or other situation, thereby has influenced the interoperability of equipment.

One of scheme that addresses this problem in the prior art is the minimum treat ability that the regulation communicating pair must reach; The disposal ability of promptly stipulating CPE and ACS should be more than or equal to specified value; Perhaps stipulate the maximum of the transmission packet of communicating pair, promptly unified regulation CPE and ACS allow the maximum of the packet of transmission.

The defective of this solution is, the enhancing along with the disposal ability of the increase of data model parameter scale or equipment (comprising ACS and CPE) after parameter model is increased to a certain degree, needs to revise above-mentioned set-point to satisfy the demands.

Because different manufacturers, even the disposal ability of the different model of same manufacturer all is different.If the equipment that some disposal abilities are strong but will send less packet, can cause the significant wastage of disposal ability, this also is not easy to the differentiation that disposal ability that manufacturer makes full use of own equipment realizes distinct device.

The another kind of technical scheme that solves the above problems is following: if the regulation recipient receives the packet of the size that surpasses regulation, can return to malfunction code of transmit leg, cause having handled not or session being interrupted with designation data Bao Taida.

In this case, have only the recipient receiving malfunction code or knowing just that after conversation the packet that oneself sends has surpassed the other side's disposal ability, the packet that oneself sends can not be by correct handling.Because when carrying out Remote configuration, might be to carry out batch configuration, under these circumstances, the transmission of the packet of this super large can take massive band width, and the transmission of in fact this packet there is no need fully.

Summary of the invention

The purpose of technical scheme of the present invention is to provide the method for negotiating equipment process ability in a kind of telemanagement, to solve ACS and CPE consulted the SOAP processing of both sides' support before request of sending or response message the problem of ability.

For realizing above-mentioned purpose, the present invention adopts following technical scheme:

The method of negotiating equipment process ability in a kind of telemanagement, described method comprises the steps:

A, sending direction recipient announce the ability of the processing Simple Object Access Protocol soap message of self supporting;

B, described recipient receive the ability of the SOAP processing of self supporting to described transmit leg announcement after the announcement of described transmit leg;

Wherein, described transmit leg is customer premises equipment, CPE CPE or Automatic Configuration Server ACS; When described transmit leg was CPE, described recipient was ACS, and when described transmit leg was ACS, described recipient was CPE;

Transmit leg supports to receive the ability of SOAP processing according to the recipient, adjusts the size of packet to be sent, for the packet that can not once send; A transmit leg transmitting section data, and provide corresponding indication, the indication transmit leg has only sent partial data; The recipient checks that packet is whether within its disposal ability scope, if this packet within recipient's process range, returns the response data packet of result to transmit leg; When causing once to send if response data packet to be sent has surpassed the other side's disposal ability; Transmitting section data then, and provide corresponding indication, the indication recipient has only sent partial data.

Wherein also comprise before the step a:

A0, described transmit leg and recipient carry out the negotiation initialization of described SOAP processing ability.

When described transmit leg is CPE; When described recipient is ACS; Wherein step a0 specifically comprises: described CPE sends notice Inform message to described ACS, carries in the described message to be used for indicating described ACS need consult the parameter of the SOAP processing ability of described support.

When described transmit leg is CPE; When described recipient is ACS; Wherein step a0 specifically comprises: described ACS receives that described CPE is after the notice Inform message that described ACS sends; Described ACS sends push-notification-answer InformResponse message for described CPE, carries in the described InformResponse message to be used for indicating described CPE need consult the parameter of the SOAP processing ability of described support.

When described transmit leg is CPE; When described recipient is ACS; Wherein step a0 specifically comprises: described CPE calls the negotiating equipment process ability notice NegotiateDeviceCapablityNotify remote procedure call RPC method that described ACS provides, and ACS need hold consultation with regard to disposal ability with indication.

When described transmit leg is CPE, when described recipient was ACS, wherein step a0 specifically comprised:

Described ACS calls the negotiating equipment process ability notice NegotiateDeviceCapablityNotify remote procedure call RPC method that described CPE provides, and need hold consultation with regard to disposal ability to indicate described CPE.

Wherein also comprise before the step a:

In described transmit leg and recipient's data model, increase the parameter of the SOAP processing ability of representing that himself and the other side are supported.

When described transmit leg is ACS, when described recipient was CPE, wherein step a specifically comprised:

The remote procedure call RPC method that a11, the session foundation described ACS in back call described CPE and provide is provided with parameter value SetParameterValues, and the parameter value of the SOAP processing ability that corresponding A CS is supported in the CPE data model is set;

After a12, described CPE receive described SetParameterValues message, the parameter value of representing described ACS SOAP processing ability in its data model is set at specified value among the described SetParameterValues.

Wherein step b specifically comprises:

B11, described ACS call the RPC method GetParameterValues that described CPE provides, to obtain the ability of the SOAP processing that described CPE supported;

B12, described CPE respond GetPrameterValuesResponse message to described ACS, carry the parameter value of its SOAP processing ability of expression in the described CPE data model in the described message.

When described transmit leg is ACS, when described recipient was CPE, wherein the disposal ability himself supported of the described transmit leg announcement of the receive direction described in the step b was that described CPE carries out adjusted value according to described ACS announcement.

When described transmit leg is CPE, when described recipient was ACS, wherein step a specifically comprised:

A11, described CPE send notice Inform message to described ACS, carry the information of the SOAP processing ability of described CPE support in the described message;

Wherein step b specifically comprises:

B11, described ACS receive response notification response InformResponse message after the Inform message that described CPE sends, and carry the information of the SOAP processing ability of self supporting in the described message.

When described transmit leg is CPE, when described recipient was ACS, wherein step a specifically comprised:

A11, described ACS call the remote procedure call RPC method value of getting parms GetParameferValues that described CPE provides, to obtain the ability of the SOAP processing that described CPE supported;

A12, described CPE respond the value of getting parms response GetPrameterValuseResponse message to described ACS, carry the parameter value of the ability of its SOAP processing of expression in the CPE data model in the described message.

Wherein step b specifically comprises:

The RPC method that b11, the session foundation described ACS in back call described CPE and provide is provided with parameter value SetParameterValuse, and the parameter value of the SOAP processing ability that corresponding A CS is supported in the described CPE data model is set;

After b12, described CPE receive described SetParameterValuse message, the parameter value of representing described ACS SOAP processing ability in its data model is set at specified value among the described SetParameterValuses.

Wherein also comprise after the step b:

C, before sending packet, whether the packet that described transmit leg inspection will be sent within the limit of power of the SOAP processing that described recipient supports, if then send described packet to described recipient, otherwise change steps d;

The partial data that d, transmit leg send in the described packet arrives described recipient.

Wherein steps d also comprises:

Annex sign designation data was not sent and is finished when transmit leg sent partial data in the described packet to described recipient.

The present invention overcomes the deficiency of prior art; Adopt ACS and CPE before request of sending or response message, to consult the technical scheme of the SOAP processing ability of both sides' support; Make transmit leg to send the packet of suitable size, avoid occurring reducing the transmission of unnecessary data bag owing to surpass the problem that the request of the other side's disposal ability produces according to the disposal ability after consulting; Reduce taking of the network bandwidth; Be convenient to the disposal ability of the own equipment of the abundant reasonable use of different vendor, realize the differentiation of equipment, avoid the waste of device processes ability.

Description of drawings

Fig. 1 is the automatic configuration management model figure of DSL forum definition;

Fig. 2 is that CPE of the present invention and ACS carry out the disposal ability negotiation and send the requests/response messages flow chart according to negotiation result;

Fig. 3 consults the flow chart of initialization mode one for the present invention;

Fig. 4 consults the flow chart of initialization mode two for the present invention;

Fig. 5 is the embodiment of the invention one flow chart;

Fig. 6 is the embodiment of the invention two flow charts.

Embodiment

Basic principle of the present invention is before ACS and CPE transmission packet, to handle ability through consultation; ACS and CPE adjust the size of the packet that sends according to the other side's disposal ability after knowing the other side's disposal ability, with the packet of avoiding sending exceed the other side's disposal ability and cause can not the correct handling packet situation occur.

Be elaborated below in conjunction with accompanying drawing and specific embodiment:

As shown in Figure 2, be divided into two stages alternately between ACS and the CPE, first stage is the treatment S OAP capability negotiation that equipment is supported, promptly CPE and ACS declare that mutually the disposal ability of oneself also holds consultation; Second stage is handled packet according to the result of phase I.

Flow process shown in Fig. 2 specifically comprises the steps:

(1) consults initialization, begin the disposal ability negotiation by CPE notice ACS or by ACS notice CPE.

(2) CPE obtains the disposal ability of ACS, makes CPE know the disposal ability of ACS.

(3) ACS obtains the disposal ability of CPE, makes ACS know the disposal ability of CPE.

(4) transmit leg is at first checked and is sent out the packet that send whether in the disposal ability scope of recipient's permission; If meet the demands, then send the corresponding packet of this request to the recipient, if send out the disposal ability that the packet that send exceeds the recipient; In the time of can not once sending; Transmit leg can a transmitting section data, and provides corresponding indication, and the indication recipient has just sent partial data.Specifically can be through additional sign when sending packet, to indicate the data of not sent in addition.The recipient can do next step operation according to indication, waits for that transmit leg continuation transmission does not have the data of having sent.

(5) recipient's verification msg bag; Whether the inspection packet is within its disposal ability scope; If this packet has surpassed recipient's disposal ability; Then need send corresponding response and give transmit leg, and in response message, provide the warning that makes mistakes, transmit leg can be held consultation with regard to disposal ability after receiving response again; If this packet is within recipient's process range, then the recipient handles according to the requirement of this request, and according to the packet of the tectonic response of carrying out as a result and send to transmit leg.Requirement for the disposal ability that satisfies transmit leg; Sending response data packet affirmation packet within the other side's process range; When causing once to send if send out the response data packet of sending to surpass the other side's disposal ability; Then can a transmitting section data, and provide corresponding indication, the indication transmit leg has just sent partial data.Concrete also can passing through adds a sign in the transmission packet, to indicate the data of not sent in addition.Transmit leg can be done next step operation according to indication, waits for that the recipient continues to send and do not have the data of having sent, and the recipient can continue to send remaining data then.

CPE and ACS consult after the other side and the disposal ability of self, need to keep current ACS and the own disposal ability of being supported.The preserving type of these data is determined that by CPE for example in TR-069, each CPE has the data model of oneself, increases relevant parameters can for the data model of CPE, in order to write down the disposal ability of the packet that current ACS/CPE supports.

Initiation request side wherein both can be CPE, also can be ACS, and for narrating conveniently, a side of the request of will sending among this paper (no matter being ACS or CPE) is called transmit leg, received a side (no matter being ACS or CPE) who asks and make response and was called the recipient.

In step (1), if consult initiatively to initiate, then send to message of ACS by CPE by CPE, inform that ACS begins to carry out the negotiation of disposal ability; If consult initiatively to initiate by ACS, then send to message of CPE by ACS, inform that ACS begins to carry out the negotiation of disposal ability.

Special, if agreement consults just need not carry out step (1) with step (2) beginning.

In step (3), CPE possibly adjust the disposal ability of oneself according to the disposal ability of ACS, handles to be fit to ACS, and sends to ACS to adjusted message.Promptly allow CPE to carry out corresponding adjustment automatically, that is to say that himself the corresponding value of disposal ability of CPE notice ACS possibly be that to carry out adjusted value according to the disposal ability of ACS also possibly be without the value of crossing adjustment according to the disposal ability of ACS.

Special, if CPE need not adjust according to the disposal ability of ACS, then need not limit step (2) and the order of step (3) among Fig. 2.

CPE handles ability through consultation as initiator and ACS situation changes or CPE has carried out having influence on the renewal of disposal ability including, but not limited to the URL (Universal Resource Locator, uniform resource locator) that connects for the first time the corresponding ACS of ACS or CPE.

ACS handles ability through consultation as initiator and CPE situation is connected this ACS or ACS self upgrades for the first time including, but not limited to CPE.

The wherein said negotiation initialization of step (1) can have multiple implementation method, and implementation method is including, but not limited to following two kinds:

One: realize through the Inform message in the TR-069 agreement

TR-069 agreement in DSL Forum (CPE WAN Management Protocol) regulation; Each session among the TR-069 all must be sent an Inform (notice) message to ACS by CPE and begun; ACS responds InformResponse message of CPE then, therefore can realize through existing Inform message among the TR-069.

For example allow in Inform or InformResponse message, to increase a parameter in order to indicate whether the to carry out negotiation of disposal ability; For example can name the name of this parameter to be called needNegotiateDeviceCapablity (needing negotiating equipment process ability), type is boolean (Boolean type).

If the negotiation that CPE initiates, the value that then in Inform message, comprises this parameter and set this parameter is true, and ACS need hold consultation with regard to disposal ability with indication, shown in Fig. 3 a; If the negotiation that ACS initiates, the value that then in InformResponse message, comprises this parameter and set this parameter is true, and CPE need hold consultation with regard to disposal ability with indication, shown in Fig. 3 b.

Two: realize through increasing new RPC method.

All increase an interface for CPE and ACS, when needs are held consultation, just call this interface that the other side provides, notify the other side to begin to carry out the negotiation of disposal ability.All increase the RPC method that a name is called NegotiateDeviceCapablityNotify (negotiating equipment process ability notice) for example in TR-069, can for CPE and ACS.

If the negotiation that CPE initiates, then CPE calls this RPC method of ACS, and ACS need hold consultation with regard to disposal ability with indication, shown in Fig. 4 a; If the negotiation that ACS initiates, then ACS calls this RPC method of CPE, and CPE need hold consultation with regard to disposal ability with indication, shown in Fig. 4 b.

After finishing step (1), just can carry out step (2) and step (3).Step (2) and step (3) can have multiple implementation method, including, but not limited to the described method of following embodiment:

Embodiment one: realize the negotiation of disposal ability through existing RPC method

At first increase by one or one group of parameter in the CPE data model in TR-069, the disposal ability of these parameters indication CPE and ACS.After session is set up, call the GetParameterValues/SetParameterValues that defines among the TR-069 (value of getting parms/be provided with parameter value) RPC method and accomplish the negotiation of disposal ability.Particular flow sheet is as shown in Figure 5:

(1.a) session is set up back ACS and is called the SetParameterValuse RPC method that CPE provides, and sets the value of one or one group parameter of corresponding A disposal ability that CS supports in the CPE data model;

(1.b) ACS calls the GetParameterValues method that CPE provides, and obtains the disposal ability that CPE is supported to obtain the GetPrameterValuse method;

After (2.a) CPE receives request message, the value of one or one group parameter of the expression ACS disposal ability in the CPE data model is set at specified value among the SetParameterValuses, and gives response of CPE according to the regulation of TR-069;

(2.b) value with one or one group parameter of the expression CPE disposal ability in the CPE data model returns to ACS in GetPrameterValuseResponse message, and the value that wherein returns to the processing parameter ability of ACS can be the value after making adjustment according to the ACS disposal ability.

Above-mentioned step 1.a that sends a request message and 1.b needn't be organized in the message and send; Response message 2.a and 2.b also needn't be organized in the message and be sent out; Promptly except that by (1.a&1.b)->(2.a&2.b), can also carry out order transmission according to 1.a->2.a->1.b->2.b.

Special, just can carry out the negotiation of disposal ability through the Inform message in the TR-069 agreement, concrete implementation method is including, but not limited to embodiment two.

Embodiment two: carry out the negotiation of disposal ability through the Inform message in the TR-069 agreement

As shown in Figure 6; TR-069 agreement in DSL Forum (CPE WAN Management Protocol) regulation; Each session among the TR-069 all must be sent an Inform (notice) message to ACS by CPE and begun; Therefore can in Inform message, comprise the information of CPE disposal ability, ACS provides the information of the disposal ability of himself in sending to the InformResponse of CPE (push-notification-answer) message.

Do not carry out aforesaid step (1) in this embodiment, if here in the Inform message received of acquiescence ACS the value of one or one a group parameter that has a disposal ability that CPE supports just represent that for effectively both sides handle the beginning of ability through consultation.

Increase by one or one group of parameter (what for example represent that CPE supports with the MaxCPESupportMessageSize (maximum processing capability of CPE support) of the unsignedlnt type that defines among the TR-069 is the maximum processing capability of unit with the byte number) in for example can the Inform message in TR-069 in order to inform ACS to the disposal ability that CPE supported.Give in the InformResponse response of CPE equally, can return to CPE to the maximum processing capability of being supported of ACS as one or one group of parameter (what for example represent that ACS supports with the MaxACSSupportMessageSize (maximum processing capability of ACS support) of the unsignedlnt type that defines among the TR-069 is the maximum processing capability of unit with the byte number) at ACS.

Claims (15)

1. the method for negotiating equipment process ability in the telemanagement is characterized in that described method comprises the steps:
A, sending direction recipient announce the ability of the processing Simple Object Access Protocol soap message of self supporting;
B, described recipient receive the ability of the SOAP processing of self supporting to described transmit leg announcement after the announcement of described transmit leg;
Wherein, described transmit leg is customer premises equipment, CPE CPE or Automatic Configuration Server ACS; When described transmit leg was CPE, described recipient was ACS, and when described transmit leg was ACS, described recipient was CPE;
Transmit leg supports to receive the ability of SOAP processing according to the recipient, adjusts the size of packet to be sent, for the packet that can not once send; A transmit leg transmitting section data, and provide corresponding indication, the indication transmit leg has only sent partial data; The recipient checks that packet is whether within its disposal ability scope, if this packet within recipient's process range, returns the response data packet of result to transmit leg; When causing once to send if response data packet to be sent has surpassed the other side's disposal ability; Transmitting section data then, and provide corresponding indication, the indication recipient has only sent partial data.
2. method according to claim 1 is characterized in that, wherein also comprises before the step a:
A0, described transmit leg and recipient carry out the negotiation initialization of described SOAP processing ability.
3. method according to claim 2 is characterized in that, when described transmit leg is CPE, when described recipient was ACS, wherein step a0 specifically comprised:
Described CPE sends notice Inform message to described ACS, carries in the described message to be used for indicating described ACS need consult the parameter of the SOAP processing ability of described support.
4. method according to claim 2 is characterized in that, when described transmit leg is CPE, when described recipient was ACS, wherein step a0 specifically comprised:
Described ACS receives that described CPE is after the notice Inform message that described ACS sends; Described ACS sends push-notification-answer InformResponse message for described CPE, carries in the described InformResponse message to be used for indicating described CPE need consult the parameter of the SOAP processing ability of described support.
5. method according to claim 2 is characterized in that, when described transmit leg is CPE,
When described recipient was ACS, wherein step a0 specifically comprised:
Described CPE calls the negotiating equipment process ability notice NegotiateDeviceCapablityNotify remote procedure call RPC method that described ACS provides, and ACS need hold consultation with regard to disposal ability with indication.
6. method according to claim 2 is characterized in that, when described transmit leg is CPE,
When described recipient was ACS, wherein step a0 specifically comprised:
Described ACS calls the negotiating equipment process ability notice NegotiateDeviceCapablityNotify remote procedure call RPC method that described CPE provides, and need hold consultation with regard to disposal ability to indicate described CPE.
7. method according to claim 1 is characterized in that, wherein also comprises before the step a:
In described transmit leg and recipient's data model, increase the parameter of the SOAP processing ability of representing that himself and the other side are supported.
8. method according to claim 1 is characterized in that, when described transmit leg is ACS, when described recipient was CPE, wherein step a specifically comprised:
The remote procedure call RPC method that a11, the session foundation described ACS in back call described CPE and provide is provided with parameter value SetParameterValues, and the parameter value of the SOAP processing ability that corresponding A CS is supported in the CPE data model is set;
After a12, described CPE receive described SetParameterValues message, the parameter value of representing described ACS SOAP processing ability in its data model is set at specified value among the described SetParameterValues.
9. method according to claim 8 is characterized in that, wherein step b specifically comprises:
B11, described ACS call the RPC method GetParameterValues that described CPE provides, to obtain the ability of the SOAP processing that described CPE supported;
B12, described CPE respond GetPrameterValuesResponse message to described ACS, carry the parameter value of its SOAP processing ability of expression in the described CPE data model in the described message.
10. method according to claim 1; It is characterized in that; When described transmit leg is ACS; When described recipient was CPE, wherein the disposal ability himself supported of the described transmit leg of the receive direction described in step b announcement was that described CPE carries out adjusted value according to described ACS announcement.
11. method according to claim 1 is characterized in that, when described transmit leg is CPE, when described recipient was ACS, wherein step a specifically comprised:
A11, described CPE send notice Inform message to described ACS, carry the information of the SOAP processing ability of described CPE support in the described message;
Wherein step b specifically comprises:
B11, described ACS receive response notification response InformResponse message after the Inform message that described CPE sends, and carry the information of the SOAP processing ability of self supporting in the described message.
12. method according to claim 1 is characterized in that, when described transmit leg is CPE, when described recipient was ACS, wherein step a specifically comprised:
A11, described ACS call the remote procedure call RPC method value of getting parms GetParameterValues that described CPE provides, to obtain the ability of the SOAP processing that described CPE supported;
A12, described CPE respond the value of getting parms response GetPrameterValuseResponse message to described ACS, carry the parameter value of the ability of its SOAP processing of expression in the CPE data model in the described message.
13. method according to claim 12 is characterized in that, wherein step b specifically comprises:
The RPC method that b11, the session foundation described ACS in back call described CPE and provide is provided with parameter value SetParameterValuse, and the parameter value of the SOAP processing ability that corresponding A CS is supported in the described CPE data model is set;
After b12, described CPE receive described SetParameterValuse message, the parameter value of representing described ACS SOAP processing ability in its data model is set at specified value among the described SetParameterValuses.
14. method according to claim 1 is characterized in that, wherein also comprises after the step b:
C, before sending packet, whether the packet that described transmit leg inspection will be sent within the limit of power of the SOAP processing that described recipient supports, if then send described packet to described recipient, otherwise change steps d;
The partial data that d, transmit leg send in the described packet arrives described recipient.
15. method according to claim 14 is characterized in that, wherein steps d also comprises:
Annex sign designation data was not sent and is finished when transmit leg sent partial data in the described packet to described recipient.
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