CN101155107A - Method, device and system for bearing P2P protocol on elastic grouping ring - Google Patents
Method, device and system for bearing P2P protocol on elastic grouping ring Download PDFInfo
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- CN101155107A CN101155107A CNA2006101526931A CN200610152693A CN101155107A CN 101155107 A CN101155107 A CN 101155107A CN A2006101526931 A CNA2006101526931 A CN A2006101526931A CN 200610152693 A CN200610152693 A CN 200610152693A CN 101155107 A CN101155107 A CN 101155107A
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Abstract
The invention discloses a method of loading a point-to-point protocol on an elastic grouping ring. A first node on the elastic grouping ring packages the message of the point-to-point protocol to a data field of the protocol message of the elastic grouping ring, and then the type of the message heading is set as specific type, and the protocol message of the elastic grouping ring is sent to a second node. The said second node extracts the message of the point-to-point protocol from the data field of the protocol message of the elastic grouping ring, based on the specific type of the message heading. The invention solves the problem that in existing technique, it is difficult to transmit the message of the point-to-point protocol on the elastic grouping ring net. Each node in the elastic grouping ring net can realize authentication of the identity, automatically consulting the parameter of the link layer, automatically consulting the network parameter and data encrypt and compression by the said message of the point-to-point protocol. The invention also discloses a communication device and a communication system.
Description
Technical field
The present invention relates to data transmission technology, particularly the method for bearing point end-to-end protocol (EEP), Apparatus and system on Resilient Packet Ring.
Background technology
Resilient Packet Ring (Resilient Packet Ring, RPR) technology is a kind of two layers of looped network technology, it provides a good networking plan for broadband IP metropolitan area network operator.Be different from traditional MAC technology, the most attracting characteristics of RPR technology are to have the carrier-class reliability, and this makes it not only can finish data-oriented professional the transmission, and simultaneously all right finished surface is to multiple services comprehensive transmission.It effectively merges high bandwidth dispense characteristics, flexibility and the expandability of the data-oriented business of the carrier class characteristic of SDH and Ethernet; Provide data-optimized Bandwidth Management and high performance-price ratio multi-service transmission solution based on ring topology; When setting up data-centered MAN, for operator provides spring function, protects restore funcitons and performance monitoring function fast.
Consult shown in Figure 1A, the RPR looped network is reciprocal dicyclo topological structure, and every section link on the ring is operated on the same speed.The dicyclo of RPR can both transmit data, and two rings are hereinafter referred to as 0 ring (Ringlet0) and 1 ring (Ringlet1).The data transmission direction of RPR 0 ring is a clockwise direction, and the data transmission direction of 1 ring is counterclockwise.Each RPR node (station) is corresponding with the RPR physical interface of equipment, needs the MAC Address of one 48 of configurations, and network layer distributes an IP address as sign for this node simultaneously.
The data processing of RPR node has following operation:
Last ring (insert): node device is inserted into the message that forwards from other interfaces the data flow of RPR looped network;
Following ring (copy): node device receives data from the data flow of RPR looped network, give the father of node and handle accordingly;
Cross ring (transit): will continue to be forwarded to next node by way of the data flow of this node;
Reject (strip): the data of this node of approach are no longer down transmitted.
In the RPR looped network, each RPR node all can be used as source node and receives the message that other interfaces forward, and also all can be used as destination node the data of transmitting in the RPR looped network are sent to the father of node.At the source node place, ring operation in the employing makes in Data-carrying to 0 ring or 1 ring; At the destination node place, carry out ring and data rejecting operation under the data; And intermediate node is only carried out data and is crossed ring operation; Data frame format in the RPR looped network is shown in Figure 1B.The RPR looped network relies on target MAC (Media Access Control) address to E-Packet, and promptly searches to transmit by target MAC (Media Access Control) address in the RPR node to obtain output interface, and forwarding-table item is to set up by the method for study MAC Address.
(Point to Point Protocol PPP) is a sets of data link layer protocol family to peer-peer protocol, and it can be used for foundation and service data link, safety certification and encapsulation network packet are provided.It has comprised the three major types protocol suite: LCP family, network layer control protocol family, authentication and monitoring protocol family.LCP family is mainly used in foundation, dismounting, monitoring data link and consults link layer parameter; Network layer control protocol family is mainly used in the form and the type of negotiation institute's data packets for transmission on this data link; Authentication and monitoring protocol family are used to monitor functions such as authentication, charging, link-quality and bandwidth.The data frame format of ppp protocol transmission is shown in Fig. 1 C.
At present, ppp protocol has obtained to use widely, and it has following characteristics: 1, support user rs authentication, have indentification protocol, guaranteed network security better; 2, support the multiple network layer protocol; 3, the automatic negotiation of support parameter; 4, support the monitoring of link-quality; 5, network overhead is little; 6, be easy to expand; 7, support is synchronous and asynchronous.
The data link of use peer-peer protocol is at first carried out link layer parameter and is consulted automatically, treat consensus after, carry out two-way or unidirectional authentication alternatively, the authentication pass through after, carry out the automatic negotiation of network layer protocol type and parameter, can carry out the transmission of network data subsequently.
But under the prior art, the RPR looped network is not supported the carrying of PPP message, does not support authentication protocol, does not support the mechanism such as automatic negotiation of link layer parameter, thereby can not carry out authentication each other between each node, can not carry out functions such as the encryption of the automatic negotiation of network parameter and data and compression.
Summary of the invention
The invention provides a kind of on Resilient Packet Ring the methods, devices and systems of bearing point end-to-end protocol (EEP), in order to solve the problem that on elastic package circular network, can not transmit the peer-peer protocol message that exists in the prior art.
Technical solution of the present invention is as follows:
A kind of on Resilient Packet Ring the method for bearing point end-to-end protocol (EEP), comprise step:
First node on the Resilient Packet Ring is encapsulated in the data field of RPR protocol message with the peer-peer protocol message, and at the protocol type of RPR protocol heading specific type is set;
Described first node mails to Section Point on the Resilient Packet Ring with described RPR protocol message;
The described specific type that identifies in the heading of described Section Point according to described RPR protocol message is extracted described peer-peer protocol message from the data field of this RPR protocol message.
According to said method:
When described Section Point was destination node, this method also comprised step:
Section Point is handled and is generated new peer-peer protocol message behind the described peer-peer protocol message, and this peer-peer protocol message is encapsulated in the data field of RPR protocol message, and at the protocol type of RPR protocol heading specific type is set;
Described Section Point mails to first node by Resilient Packet Ring with described RPR protocol message;
The described specific type that identifies in the heading of described first node according to described RPR protocol message is from the data field extraction peer-peer protocol message of this RPR protocol message.
During node outside destination node is elastic package circular network, the method comprising the steps of:
Section Point descends the ring operation to described RPR protocol message, and described peer-peer protocol message is sent to destination node, and receives the new peer-peer protocol message that destination node is returned;
Section Point is encapsulated in the data field of RPR protocol message with described new peer-peer protocol message, and at the protocol type of RPR protocol heading specific type is set;
Described Section Point mails to first node on the Resilient Packet Ring with described RPR protocol message;
The described specific type that identifies in the heading of described first node according to described RPR protocol message is extracted described new peer-peer protocol message from the data field of this RPR protocol message.
Described first node and described Section Point are the arbitrary node in the elastic package circular network.
Employed protocol type when described specific type is custom protocol type or Ethernet bearing peer-peer protocol.
A kind of communicator comprises:
Be used for the peer-peer protocol message is encapsulated in the data field of RPR protocol message, and the unit of specific type is set at the protocol type of RPR protocol heading;
Be used to send the unit of described RPR protocol message;
Be used for the described specific type that the heading according to described RPR protocol message identifies, extract the unit of peer-peer protocol message from the data field of this RPR protocol message.
Described communicator also comprises:
Be used to handle described peer-peer protocol message, and the unit that generates new peer-peer protocol message;
Be used to receive the unit of the peer-peer protocol message of the node transmission outside the elastic package circular network.
A kind of communication system comprises a plurality of communicators, and these a plurality of communicators connect into elastic package circular network; Described communicator is encapsulated in the data field of RPR protocol message with the peer-peer protocol message, and transmits after the protocol type of RPR protocol heading is provided with specific type; And described communicator is when receiving the RPR protocol message of described specific type, extracts the peer-peer protocol message from the data field of this RPR protocol message.
Beneficial effect of the present invention is as follows:
The present invention is by encapsulation PPP message on the data field of RPR message, the protocol type of this RPR heading is set to specific type simultaneously, realized the transmission of PPP message in the RPR looped network, thereby make a plurality of communicators in the RPR looped network realize authentication, the automatic negotiation of link layer parameter, the automatic negotiation of network layer parameter and the encryption and the compression of data of identity to each other, further expanded the function of RPR looped network by ppp protocol.
Description of drawings
Figure 1A is a RPR looped network system assumption diagram under the prior art;
Figure 1B is a RPR message data frame assumption diagram under the prior art;
Fig. 1 C is a PPP message data frame assumption diagram under the prior art;
Fig. 2 A is a kind of RPR message data frame assumption diagram that has encapsulated the IP message in the embodiment of the invention;
Fig. 2 B is the RPR message data frame assumption diagram that uses the PPPoE protocol type in the embodiment of the invention;
Fig. 2 C is the RPR message data frame assumption diagram that has encapsulated the LCP message in the embodiment of the invention;
Fig. 3 A is a RPR looped network system assumption diagram in the embodiment of the invention;
Fig. 3 B is a RPR looped network communicator functional structure chart in the embodiment of the invention;
Fig. 4 is that RPR looped network communicator sends PPP message flow chart in the embodiment of the invention;
Fig. 5 is that RPR looped network communicator receives PPP message flow chart in the embodiment of the invention;
Fig. 6 is the another kind of RPR message data frame assumption diagram that has encapsulated the IP message in the embodiment of the invention.
Embodiment
In order to solve under the prior art, the problem that the PPP message can not transmit in the RPR looped network, the protocol type of the present invention's RPR heading behind encapsulation PPP message on the data field of RPR message is set to specific type, and this RPR message is mail to another node in the RPR looped network; The node that receives the RPR message is according to described specific RPR protocol type, extracts described PPP message from the data field of this RPR message.
At present, the function (as automatic negotiation, support authentication, ciphered compressed etc.) that a lot of data link layer protocols have been realized in order to realize ppp protocol family, adopted a kind of technology of on existing data link layer, carrying ppp protocol to realize, at present existing Ethernet bearing PPP (PPP over Ethernet, PPPoE), asynchronous transmission mode carrying PPP (PPP over ATM, PPPoA), asynchronous transmission mode carrying Ethernet bearing PPP (PPP over Ethernet over ATM, technology such as PPPoEoA).
In the embodiment of the invention, the protocol type of RPR heading has defined the type of the packaged data of RPR message, and data field encapsulated corresponding data.Consult shown in Fig. 2 A, in this RPR data frame format, protocol type is set to 0X0800, and the data of this expression RPR message encapsulation are the IP message, and then the data that transmitted in the RPR looped network afterwards are the IP message.
In like manner, consult shown in Fig. 2 B, if the PPP message will be packaged in the data field of RPR message, can increase a kind of protocol type, as 0X8863 (this agreement is the PPPoE type, can use), or defines a kind of new protocol type (as 0XA001) and represent that the data that encapsulate in the RPR message are a PPP message, this RPR message is RPR carrying PPP (PPP over RPR, a PPPoR) message in other words.
Consult shown in Fig. 2 C, if the data of PPPoR message encapsulation are a ppp link control protocol bag (PPP Link Control Protocol, PPP-LCP), the protocol type with this PPPoR message is designated 0X8863 so, and the data field of representing this PPPoR message is a PPP message; The protocol type of PPP message is 0XC021, and the data field of representing this PPP message is a LCP message.
In the RPR looped network, each RPR node is corresponding with the RPR physical interface of equipment, consults shown in Fig. 3 A, in the embodiment of the invention, the corresponding communicator 30 of each RPR node is consulted shown in Fig. 3 B, and described communicator 30 comprises receiving element 300, processing unit 310 and transmitting element 320.Described receiving element 300 is used to receive the PPP message of RPR looped network other nodes transmissions in addition or the RPR message that other communicators 30 send; Described processing unit 310 is used at the protocol type of RPR heading specific type being set, and the PPP message is encapsulated on the data field of RPR message, the perhaps described specific type that identifies in the heading according to the RPR message, from the data field of this RPR message, extract the PPP message, carry out generating new PPP message after the respective handling; The RPR message that described transmitting element 320 is used for having encapsulated the PPP message sends to RPR looped network other nodes or other communicators 30 in addition.
Consult shown in Figure 4ly, in the embodiment of the invention, communicator 30 transmits the detailed process of PPP message in the RPR looped network as follows:
Step 400: communicator 30A receives the PPP message of other outer nodes transmissions of RPR looped network and to ring operation on the described PPP message, it is encapsulated on the data field of RPR message.
Step 410: communicator 30A is designated 0X8863 with the protocol type of RPR message, represents that the content of the data field encapsulation of this RPR message is the PPP message.
Step 420: the RPR message that communicator 30A will encapsulate the PPP message sends to communicator 30B by the RPR looped network.
Step 430: communicator 30B is according to the protocol type 0X8863 in the described RPR message, from the data field extraction PPP message of this RPR message.
Consult shown in Figure 5, if communicator 30B is a destination node, then this device handle the PPP message that receives detailed process as follows:
Step 500: communicator 30B carries out respective handling to the PPP message of described extraction, generates new PPP message.
Step 510: communicator 30B is encapsulated in the data field of RPR message with described new PPP message, and the protocol type of this RPR message is designated 0X8863.
Step 520: communicator 30B mails to communicator 30A by the RPR looped network with described RPR message.
Step 530: communicator 30A is according to the protocol type 0X8863 in the described RPR message, extracts described new PPP message from the data field of this RPR message.
In the foregoing description, if the data that are encapsulated in the RPR message are IP messages, consult shown in Figure 6, in the data frame format of this IP message, protocol type is 0X0800, communicator 30A and communicator 30B just can consult the configuration of various parameters by above-mentioned ppp protocol so, carry out the authentication of identity each other.
In addition, if destination node is not other outer nodes of communicator 30B but RPR looped network, communicator 30B descends the ring operation to the PPP message of described extraction so, it is mail to destination node, and receive the new PPP message that destination node is returned, mail to communicator 30A again after being encapsulated in it in RPR message.
In the embodiment of the invention, communicator 30A and communicator 30B can be any one nodes in the RPR looped network, and the data that encapsulate in the RPR message can be IP message, LCP message or other any PPP messages.Therefore, in the RPR looped network, can transmit the PPP message in this way between each communicator 30 of composition looped network, thereby finish authentication, the automatic negotiation of link layer parameter, the automatic negotiation of network layer parameter and the encryption and the compression of data of identity each other, so just greatly expanded the function of RPR agreement.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the method for a bearing point end-to-end protocol (EEP) on Resilient Packet Ring is characterized in that, comprises step:
First node on the Resilient Packet Ring is encapsulated in the data field of RPR protocol message with the peer-peer protocol message, and at the protocol type of RPR protocol heading specific type is set;
Described first node mails to Section Point on the Resilient Packet Ring with described RPR protocol message;
The described specific type that identifies in the heading of described Section Point according to described RPR protocol message is extracted described peer-peer protocol message from the data field of this RPR protocol message.
2. the method for claim 1 is characterized in that, when described Section Point was destination node, this method also comprised step:
Section Point is handled and is generated new peer-peer protocol message behind the described peer-peer protocol message, and this peer-peer protocol message is encapsulated in the data field of RPR protocol message, and at the protocol type of RPR protocol heading specific type is set;
Described Section Point mails to first node by Resilient Packet Ring with described RPR protocol message;
The described specific type that identifies in the heading of described first node according to described RPR protocol message is from the data field extraction peer-peer protocol message of this RPR protocol message.
3. the method for claim 1 is characterized in that, during node outside destination node is elastic package circular network, the method comprising the steps of:
Section Point descends the ring operation to described RPR protocol message, and described peer-peer protocol message is sent to destination node, and receives the new peer-peer protocol message that destination node is returned;
Section Point is encapsulated in the data field of RPR protocol message with described new peer-peer protocol message, and at the protocol type of RPR protocol heading specific type is set;
Described Section Point mails to first node on the Resilient Packet Ring with described RPR protocol message;
The described specific type that identifies in the heading of described first node according to described RPR protocol message is extracted described new peer-peer protocol message from the data field of this RPR protocol message.
4. as claim 1,2 or 3 described methods, it is characterized in that described first node and described Section Point are the arbitrary node in the elastic package circular network.
5. method as claimed in claim 4 is characterized in that, employed protocol type when described specific type is custom protocol type or Ethernet bearing peer-peer protocol.
6. a communicator is characterized in that, comprising:
Be used for the peer-peer protocol message is encapsulated in the data field of RPR protocol message, and the unit of specific type is set at the protocol type of RPR protocol heading;
Be used to send the unit of described RPR protocol message;
Be used for the described specific type that the heading according to described RPR protocol message identifies, extract the unit of peer-peer protocol message from the data field of this RPR protocol message.
7. communicator as claimed in claim 6 is characterized in that, also comprises:
Be used to handle described peer-peer protocol message, and the unit that generates new peer-peer protocol message.
8. communicator as claimed in claim 6 is characterized in that, also comprises:
Be used to receive the unit of the peer-peer protocol message of the node transmission outside the elastic package circular network.
9. a communication system is characterized in that, comprises a plurality of communicators, and these a plurality of communicators connect into elastic package circular network; Described communicator is encapsulated in the data field of RPR protocol message with the peer-peer protocol message, and transmits after the protocol type of RPR protocol heading is provided with specific type; And described communicator is when receiving the RPR protocol message of described specific type, extracts the peer-peer protocol message from the data field of this RPR protocol message.
10. communication system as claimed in claim 9 is characterized in that, described communication device comprises:
Be used for the peer-peer protocol message is encapsulated in the data field of RPR protocol message, and the unit of specific type is set at the protocol type of RPR protocol heading;
Be used to send the unit of described RPR protocol message;
Be used for the described specific type that the heading according to described RPR protocol message identifies, extract the unit of peer-peer protocol message from the data field of this RPR protocol message.
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| CNB2006101526931A CN100550810C (en) | 2006-09-25 | 2006-09-25 | The method of bearing point end-to-end protocol (EEP), Apparatus and system on Resilient Packet Ring |
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| CN100550810C CN100550810C (en) | 2009-10-14 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102333034A (en) * | 2011-09-23 | 2012-01-25 | 华为数字技术有限公司 | Method and device for transmitting user information in loop topology |
| CN102710600A (en) * | 2012-04-27 | 2012-10-03 | 深圳市邦彦信息技术有限公司 | Method for improving throughput of elastic packet ring |
| CN104158809A (en) * | 2014-08-20 | 2014-11-19 | 杭州华三通信技术有限公司 | Method and device for uploading protocol message to CPU |
| WO2016058463A1 (en) * | 2014-10-17 | 2016-04-21 | 中兴通讯股份有限公司 | Method and system for processing protocol packet in service function chaining, and service function node |
| CN109257263A (en) * | 2018-10-15 | 2019-01-22 | 积成电子股份有限公司 | A kind of site protective device data transmission method based on dual-ring network |
| CN109495364A (en) * | 2018-05-28 | 2019-03-19 | 朱磊 | The distributed control BSR chainlink control method of blackboard sharing mode |
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2006
- 2006-09-25 CN CNB2006101526931A patent/CN100550810C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102333034A (en) * | 2011-09-23 | 2012-01-25 | 华为数字技术有限公司 | Method and device for transmitting user information in loop topology |
| CN102333034B (en) * | 2011-09-23 | 2014-10-08 | 北京华为数字技术有限公司 | Method and device for transmitting user information in loop topology |
| CN102710600A (en) * | 2012-04-27 | 2012-10-03 | 深圳市邦彦信息技术有限公司 | Method for improving throughput of elastic packet ring |
| CN102710600B (en) * | 2012-04-27 | 2016-02-17 | 邦彦技术股份有限公司 | Method for improving throughput of elastic packet ring |
| CN104158809A (en) * | 2014-08-20 | 2014-11-19 | 杭州华三通信技术有限公司 | Method and device for uploading protocol message to CPU |
| CN104158809B (en) * | 2014-08-20 | 2017-12-15 | 新华三技术有限公司 | The method and device of protocol massages transmitted to CPU |
| CN105577579A (en) * | 2014-10-17 | 2016-05-11 | 中兴通讯股份有限公司 | Protocol message processing method and system in SFC (Service Function Chaining) and service function nodes |
| WO2016058463A1 (en) * | 2014-10-17 | 2016-04-21 | 中兴通讯股份有限公司 | Method and system for processing protocol packet in service function chaining, and service function node |
| CN105577579B (en) * | 2014-10-17 | 2020-09-01 | 中兴通讯股份有限公司 | Method and system for processing protocol message in service function chain and service function node |
| CN109495364A (en) * | 2018-05-28 | 2019-03-19 | 朱磊 | The distributed control BSR chainlink control method of blackboard sharing mode |
| CN109495364B (en) * | 2018-05-28 | 2021-06-04 | 朱磊 | Distributed control network BSR link control method in blackboard sharing mode |
| CN109257263A (en) * | 2018-10-15 | 2019-01-22 | 积成电子股份有限公司 | A kind of site protective device data transmission method based on dual-ring network |
| CN109257263B (en) * | 2018-10-15 | 2021-01-29 | 积成电子股份有限公司 | Data transmission method of on-site protection device based on double-loop network |
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| CN100550810C (en) | 2009-10-14 |
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