CN108847893A - A kind of login method and login system of FC network - Google Patents
A kind of login method and login system of FC network Download PDFInfo
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- CN108847893A CN108847893A CN201810612998.9A CN201810612998A CN108847893A CN 108847893 A CN108847893 A CN 108847893A CN 201810612998 A CN201810612998 A CN 201810612998A CN 108847893 A CN108847893 A CN 108847893A
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- interchanger
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- login
- logging request
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000000835 fiber Substances 0.000 claims abstract description 12
- 230000004044 response Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims description 5
- OHDRQQURAXLVGJ-HLVWOLMTSA-N azane;(2e)-3-ethyl-2-[(e)-(3-ethyl-6-sulfo-1,3-benzothiazol-2-ylidene)hydrazinylidene]-1,3-benzothiazole-6-sulfonic acid Chemical compound [NH4+].[NH4+].S/1C2=CC(S([O-])(=O)=O)=CC=C2N(CC)C\1=N/N=C1/SC2=CC(S([O-])(=O)=O)=CC=C2N1CC OHDRQQURAXLVGJ-HLVWOLMTSA-N 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/278—Bus-type networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/038—Arrangements for fault recovery using bypasses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/20—Support for services
Abstract
The invention proposes the login method and login system of a kind of FC network, login method includes the following steps：Step 1, the interchanger that first node card passes through the FC network that two ports being mutually redundant are mutually redundant to two respectively send logging request；Step 2, judges whether the interchanger for the FC network that two are mutually redundant has responded logging request, so that first node clamping receives the link sen response of interchanger（LS_ACC）, if so, then further judging the fibre channel address of the interchanger distribution for the FC network that two are mutually redundant（FCID）It is whether identical, if so, then first node card carries out communication using the fibre channel address and establishes operating environment between interchanger；Step 3, first node card send logging request to the second node card to be communicated in advance, establish the operating environment between two nodes, complete the explicit login under FC network redundancy environment.Explicit login can be realized under FC redundancy environment using method of the invention, not only ensure that stability, the robustness of FC network, but also improve the flexibility of network.
Description
Technical field
The present invention relates under technical field of optical fiber communication more particularly to a kind of FC network redundancy environment login method and
Login system.
Background technique
Airborne optical-fibre channel（Fiber Channel, FC）It is by the Unite States Standard committee（ANSI）The high speed string of proposition
Row transfer bus has high bandwidth, high reliability, high stability, resists electromagnetism since it has channel and network double dominant
The advantages that interference, is capable of providing highly stable reliable optical fiber connection, is easy the large-scale data transmission of building and communication network.FC
The advantages that network is highly reliable with its, inexpensive, high-speed, strong real-time, good scalability is as airborne avionics network design
Mainstream selection.Currently, using the network topology structure of redundancy in space flight, aviation, carrier-borne FC network system more.Traditional FC
Although redundant network ensure that the stability of network, robustness, but lose the flexibility of network, have change in network topology
After dynamic, the configuration of all nodes requires to change on entire FC network.
Therefore, it is necessary to a kind of to can be realized the method and system explicitly logged under FC redundancy environment, can guarantee FC
Network has preferable flexibility.
Summary of the invention
The purpose of the present invention is to provide a kind of to can be realized the method and system explicitly logged under FC redundancy environment, with
Improve the flexibility under FC network redundancy environment.
In order to solve the above-mentioned technical problem, according to an aspect of the invention, there is provided a kind of login method of FC network,
The login method includes the following steps：Step 1, first node card pass through two ports being mutually redundant respectively to two each other
The interchanger of the FC network of redundancy sends logging request；Step 2 judges the interchanger of described two FC networks being mutually redundant
Whether the logging request has been responded, so that two ports of the first node card receive the link sen of interchanger
Response（LS_ACC）, if so, then further judging the optical-fibre channel of the interchanger distribution of described two FC networks being mutually redundant
Address（FCID）It is whether identical, if so, then first node card communicate and between interchanger using the fibre channel address
Establish operating environment；Step 3, first node card send logging request to the second node card to be communicated in advance, establish two nodes
Between operating environment, complete FC network redundancy environment under explicit login.
Preferably, the login method further include when the port of the first node card does not receive the response of interchanger,
It is sent to the interchanger and stops basic link service（ABTS）With the request before cancellation, and logging request is initiated again, directly
The first intermediate steps until two ports of the first node card receive the LS_ACC of interchanger.
Preferably, the login method further includes receiving the link sen of interactive machine in the port of the first node card
Refusal（LS_RJT）When, logging request is initiated again after the content frame of logging request is modified according to the information of the LS_RJT, directly
The second intermediate steps until two ports of the first node card receive the LS_ACC of interchanger.
Preferably, the login method further includes for judging whether the logging request of initiation again has been more than predetermined taste
The step of trying number or predetermined time, if so, then the first node card abandons the login to the interchanger for not receiving LS_ACC
Request；If not, logging request is initiated again, until two ports of the first node card receive the LS_ of interchanger
Until ACC.
Preferably, the login method further include for judge in the different port being mutually redundant whether some
Port has received the step of LS_ACC of interchanger, if so, then the operating environment between first node card and interchanger is established, the
One node card continues to send logging request to other node cards to be communicated, and establishes the operating environment between two nodes, is formed
Redundancy feature is not available it but can be with the FC network of normal communication；If not, can not be communicated between node card.
Preferably, the login method further includes the fibre channel address FCID difference in the different interchanger distribution
When, node card initiates request of logging off to a part of interchanger, initiates logging request after logging off successfully again, requests the portion
The FCID that the FCID of minor exchange distribution and another part interchanger distribute identical step；Wherein, a part of interchanger
For the lesser interchanger of Fabric Name in LS_ACC, another part interchanger is that Fabric Name is larger in LS_ACC
Interchanger.
Preferably, the login method further includes a part of interchanger in predetermined number of attempts or in the predetermined time
Still different or when returning LS_RJT from the FCID of another part interchanger distribution, the first node card is to a part friendship
Initiation of changing planes is logged off request, the step that the first node card is communicated using the FCID that another part interchanger distributes
Suddenly.
According to another aspect of the present invention, a kind of FC network login system, the FC network login system are additionally provided
Including：First transmitting module is sent out logging request for the different port by being mutually redundant；Reception and distribution module,
For being made a response to the logging request and being the corresponding fibre channel address of each port assignment；Judgment module, for judging
Whether first transmitting module all receives link sen response corresponding with port, and judges what each port assignment arrived
Whether fibre channel address is identical；And second transmitting module is established between two modules for communicating with the first transmitting module
Operating environment, complete FC network redundancy environment under explicit login.
It is an advantage of the invention that：Existing agreement is used under FC redundancy environment, is obtained by logging request and logging request
FCID is taken, network operating environment is established, redundancy environment is established and is effectively combined with the explicit the two that logs in, it can be in FC redundancy
Explicit login is realized under environment, not only ensure that stability, the robustness of FC network, but also improve the flexibility of network.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 is the structural schematic diagram of the login system of the FC network of one embodiment of the present invention；
Fig. 2 is the flow chart of the login method of the FC network of one embodiment of the present invention.
In the accompanying drawings, identical component uses identical appended drawing reference.Attached drawing is not according to actual ratio.
Description of symbols：
101- first node card, 102 second node cards, 103- third node card, 104- fourth node card；
The first interchanger of 201-, 202- second switch.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
As shown in Figure 1, FC network redundancy environment is by 4 node cards and 2 in a specific embodiment of the invention
The group of switches being mutually redundant at.Specifically, each node card（First node card 101, second node card 102, third node card
103 and fourth node card 104）There are two the independent ports FC, and two ports are mutually redundant.Two ports connect 2 respectively
A interchanger（First interchanger 201, second switch 202）Switching port, form FC network redundancy environment.
As shown in Fig. 2, the flow chart of the login method for the FC network of one embodiment of the present invention.The flow chart is aobvious
Show the specific steps explicitly logged under FC network redundancy environment, including：（1）After the network equipment all powers on, first node
Card 101 sends FLOGI logging request to the first interchanger 201, second switch 202 respectively by two ports.（2）If first
Interchanger 201, second switch 202 then can first send ABTS and stop basic link service request, cancel upper one without response
Then request repeats to send FLOGI logging request, depending on specific number of attempt can be by own situation.
If the first interchanger 201, second switch 202 have responded link sen refusal LS_RJT, first node card 101
Judge whether to initiate FLOGI again after can initiating FLOGI or modification FLOGI content frame again according to the information responded, directly
LS_ACC, or because other reasons are received from two interchangers respectively to first node card 101（It has been more than the number attempted
Limitation or time-out etc.）Until first node card 101 abandons the FLOGI to an interchanger.（3）If final first node card
101 have received the LS_ACC of two interchangers, and the FCID of two interchangers distribution is identical, then first node card 101, which uses, is somebody's turn to do
FCID is communicated, and is continued to the other node cards to be communicated（Second node card 102, third node card 103 and fourth node
Card 104）PLOGI request is carried out, communication environment is established between two node cards, is then communicated.So far FC network redundancy ring
Explicit login under border is completed, and network operating environment is established.（4）If final first node card has received the LS_ of two interchangers
ACC, and the FCID of two interchanger distribution is different.Then with the lesser exchange of Fabric Name in the LS_ACC of A mark response
Machine, with the biggish interchanger of Fabric Name in the LS_ACC of B mark response.Node card initiates logout to switch A,
FLOGI is initiated after logout success again, the FCID that the FCID of request switch A distribution is the allocated with switch b is identical.
In one case, the FCID that the FCID with switch b of the second sub-distribution of switch A are distributed is identical, then node card
It is communicated using the FCID, continues to carry out PLOGI request to the other node cards to be communicated, established between two node cards logical
Believe environment, then communicated, so far the explicit login under FC network redundancy environment is completed, and network operating environment is established.
In another case, the FCID with switch b of the second sub-distribution of switch A the allocated FCID is different, then
First node card 101 initiates logout to the interchanger.First node card 101 is communicated using the FCID that switch b distributes,
It then proceedes to the other node cards to be communicated（Second node card 102, third node card 103 and fourth node card 104）Into
Row PLOGI request, establishes communication environment between two node cards.In such cases, node card can communicate, but FC redundancy environment
Establish failure.
In a third case, switch A returns LS_RJT for the second time, then node card A is the allocated using switch b
FCID communicated, continue to carry out PLOGI request to the other node cards to be communicated, establish communication loop between two node cards
Border.In such cases, node card can communicate, but FC redundancy environment establishes failure.If finish node card is to two interchangers
FLOGI is rejected or interchanger does not respond to, then FLOGI fails, and node card can not communicate.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (8)
1. a kind of login method of FC network, which is characterized in that the login method includes the following steps：Step 1, first segment
The interchanger for the FC network that point card is mutually redundant to two respectively by two ports being mutually redundant sends logging request；Step
Two, judge whether the interchanger of described two FC networks being mutually redundant has responded the logging request, so that described first
Two ports of node card receive the link sen response of interchanger（LS_ACC）, if so, then further judging described two
The fibre channel address of the interchanger distribution of a FC network being mutually redundant（FCID）It is whether identical, if so, then first node card
Communication is carried out using the fibre channel address and operating environment is established between interchanger；Step 3, first node card to wanting in advance
The second node card of communication sends logging request, establishes the operating environment between two nodes, completes under FC network redundancy environment
Explicit login.
2. login method according to claim 1, which is characterized in that the login method further includes in the first node
When the port of card does not receive the response of interchanger, is sent to the interchanger and stop basic link service（ABTS）Before cancelling
Request, and logging request is initiated again, until two ports of the first node card receive the LS_ACC of interchanger
Until the first intermediate steps.
3. login method according to claim 1, which is characterized in that the login method further includes in the first node
The port of card receives the link sen refusal of interactive machine（LS_RJT）When, logging request is modified according to the LS_RJT information
Logging request is initiated after content again, until two ports of the first node card receive the LS_ACC of interchanger
The second intermediate steps.
4. login method according to claim 2, which is characterized in that the login method further include for judge it is described again
The step of whether secondary initiation logging request has been more than predetermined number of attempts or predetermined time, if so, then the first node card is put
Abandon the login to the interchanger for not receiving LS_ACC；If not, logging request is initiated again, until two of the first node
Until port receives the LS_ACC of interchanger.
5. login method according to claim 1, which is characterized in that the login method further includes described mutual for judging
For the step of whether some port has received the LS_ACC of interchanger in the different port of redundancy, if so, then first node
Operating environment between card and interchanger is established, and first node card continues to send logging request to other node cards to be communicated,
The operating environment between two nodes is established, formation is not available redundancy feature but can be with the FC network of normal communication；If not,
It can not be communicated between node card.
6. login method described in any one of -5 according to claim 1, which is characterized in that the login method further include
When the fibre channel address FCID difference of the different interchanger distribution, node card is logged off to the initiation of a part of interchanger
Request, initiates logging request again after logging off successfully, the FCID and another part interchanger for requesting the part interchanger to distribute
The FCID of distribution identical step；Wherein, a part of interchanger is the lesser interchanger of Fabric Name in LS_ACC,
Another part interchanger is the biggish interchanger of Fabric Name in LS_ACC.
7. login method according to claim 6, which is characterized in that the login method further includes in predetermined number of attempts
Or in the predetermined time, a part of interchanger and the FCID that another part interchanger distributes are still different or return to LS_RJT
When, the first node card initiates request of logging off to a part of interchanger, and the first node card is handed over using another part
The step of FCID of distribution of changing planes is communicated.
8. a kind of FC network login system, which is characterized in that the FC network login system includes：First transmitting module, is used for
Logging request is sent out by the different port being mutually redundant；Reception and distribution module, for being made to the logging request
It responds and is the corresponding fibre channel address of each port assignment；Judgment module, for judging whether first transmitting module is complete
Portion receives link sen response corresponding with port, and judges whether the fibre channel address that each port assignment arrives is identical；
And second transmitting module establishes the operating environment between two modules, completion FC network for communicate with the first transmitting module
Explicit login under redundancy environment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612998.9A CN108847893B (en) | 2018-06-14 | 2018-06-14 | Login method and login system of FC (fiber channel) network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612998.9A CN108847893B (en) | 2018-06-14 | 2018-06-14 | Login method and login system of FC (fiber channel) network |
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| CN108847893A true CN108847893A (en) | 2018-11-20 |
| CN108847893B CN108847893B (en) | 2020-12-01 |
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Effective date of registration: 20240111 Address after: Floor 12, Building 5, No. 18 Qingjiang South Road, Gulou District, Nanjing City, Jiangsu Province, 210000 Patentee after: NANJING QUANXIN CABLE TECHNOLOGY Co.,Ltd. Address before: 201103 room 110, building 3, 1128 Wuzhong Road, Minhang District, Shanghai Patentee before: SHANGHAI SAIZHI INFORMATION TECHNOLOGY Co.,Ltd. |