CN103181187A - Method and device for obtaining virtual link state - Google Patents
Method and device for obtaining virtual link state Download PDFInfo
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- CN103181187A CN103181187A CN2012800021948A CN201280002194A CN103181187A CN 103181187 A CN103181187 A CN 103181187A CN 2012800021948 A CN2012800021948 A CN 2012800021948A CN 201280002194 A CN201280002194 A CN 201280002194A CN 103181187 A CN103181187 A CN 103181187A
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Abstract
The invention discloses a method and a device for obtaining a virtual link state. An FCF receives link keep-alive message, resolves the link keep-alive message, obtains identification information of a normal virtual link and determines the normal virtual link based on the identification information of the normal virtual link. By improving the link keep-alive message and adding the identification information of the normal virtual link, the FCF can obtain the state of the virtual link based on the received link keep-alive message, so that the link keep-alive message is greatly reduced and effects on network stability are reduced.
Description
Technical field
The present invention relates to networking technology area, relate in particular to a kind of method and apparatus of knowing the virtual link state.
Background technology
FCOE(Fiber Channel over Ethernet, the Ethernet optical-fibre channel) network can be supported a plurality of FCF(FCOE Forwarder, the FCOE switch) network element node, continuous expansion along with the cloud computing business, FCF is as aggregation node, at least will support several thousand station server accesses even up to ten thousand, every station server can arrange again many virtual links to satisfy business demand.
In existing standard; the periodically transmission keepalive(link keep-alive of each virtual link) message is to FCF; FCF periodically monitors this message; come the state of this virtual link of perception whether normal; if surpass the keepalive message that some cycles is not received certain virtual link; think this virtual link abnormal state, FCF will delete this virtual link, stop connecting.
Yet, for the cloud computing business, each FCF can be accessed by several thousand station servers, and every station server can arrange tens even up to a hundred virtual links, if according to existing standard, it is hundreds of thousands that FCF needs the keepalive message of cyclical process, and obviously so the keepalive message of enormous quantity considerably beyond the disposal ability of CPU of FCF, also will certainly affect the stable of network.
Summary of the invention
A kind of method and apparatus of knowing the virtual link state is provided in the embodiment of the present invention, can have reduced in a large number the quantity of keepalive message.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
First aspect provides a kind of method of knowing the virtual link state, comprising:
The link keep-alive message that Ethernet fibre channel media reception server sends;
Described Ethernet fibre channel media is resolved described link keep-alive message, obtains the identification information of the normal virtual link that comprises in described link keep-alive message;
Described Ethernet fibre channel media is determined normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
In conjunction with the one side face, in the possible implementation of the first, comprise the identification information of all normal virtual links of described server in the described link keep-alive message that described Ethernet fibre channel media receives.
Second aspect provides another kind to know the method for virtual link state, comprising:
Server link generation keep-alive message comprises the identification information of normal virtual link in described link keep-alive message;
The described link keep-alive message that described server will generate is sent to the Ethernet fibre channel media, so that described Ethernet fibre channel media is determined normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
In conjunction with above-mentioned second aspect, in the possible implementation of the first, comprise the identification information of all normal virtual links of described server in the described link keep-alive message that described server generates.
The third aspect provides a kind of Ethernet fibre channel media, comprising:
The message receiving element is used for the link keep-alive message that reception server sends;
The packet parsing unit is used for resolving the described link keep-alive message that described message receiving element receives, and obtains the identification information of the normal virtual link that comprises in described link keep-alive message;
Status determining unit, the identification information that is used for the normal virtual link that comprises according to the described link keep-alive message that described packet parsing unit resolves obtains is determined normal virtual link.
In conjunction with the above-mentioned third aspect, in the possible implementation of the first, comprise the identification information of all normal virtual links of described server in the described link keep-alive message that described message receiving element receives.
Fourth aspect provides another kind of Ethernet fibre channel media, comprising:
Transceiver is used for the link keep-alive message that reception server sends;
Processor is used for resolving the described link keep-alive message that described transceiver receives, and obtains the identification information of the normal virtual link that comprises in described link keep-alive message; And determine normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
The 5th aspect provides a kind of server, comprising:
The message generation unit is used for link generation keep-alive message, comprises the identification information of normal virtual link in described link keep-alive message;
Packet sending unit; be used for the described link keep-alive message that described message generation unit generates is sent to the Ethernet fibre channel media, so that described Ethernet fibre channel media is determined normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
In conjunction with above-mentioned the 5th aspect, in the possible implementation of the first, comprise the identification information of all normal virtual links of described server in the described link keep-alive message that described message generation unit generates.
The 6th aspect provides another kind of server, comprising:
Processor is used for link generation keep-alive message, comprises the identification information of normal virtual link in described link keep-alive message;
Transceiver; be used for the described link keep-alive message that described processor generates is sent to the Ethernet fibre channel media, so that described Ethernet fibre channel media is determined normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
The keepalive message that the embodiment of the present invention sends by improving existing server, increase the identification information of normal virtual link under this server in this message, make FCF can know the state of virtual link according to the keepalive message that receives, thereby greatly reduced the keepalive message that virtual link sends, reduced the impact on network stabilization.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the keepalive message that in prior art, server sends;
Fig. 2 is the structural representation of the keepalive message that in prior art, virtual link sends;
Fig. 3 is a kind of method flow diagram of knowing the virtual link state of the embodiment of the present invention;
Fig. 4 is the structural representation of the keepalive message that in the embodiment of the present invention, server sends;
Fig. 5 is the method flow diagram that embodiment of the present invention another kind is known the virtual link state;
Fig. 6 is the method flow diagram that embodiment of the present invention another kind is known the virtual link state;
Fig. 7 is the schematic diagram that in prior art, server and virtual link send message;
Fig. 8 is the structural representation of the message of middle server generation embodiment illustrated in fig. 6;
Fig. 9 is the schematic diagram that middle server embodiment illustrated in fig. 6 sends message;
Figure 10 is the structural representation of a kind of FCF of the embodiment of the present invention;
Figure 11 is the structural representation of the another kind of FCF of the embodiment of the present invention;
Figure 12 is the structural representation of a kind of server of the embodiment of the present invention;
Figure 13 is the structural representation of the another kind of server of the embodiment of the present invention.
Embodiment
in the FCOE network, existing keepalive message has two kinds, a kind of is the keepalive message that server sends, its message structure as shown in Figure 1, heading has comprised FIP(FCOE Initialization Protocol, the FCOE initializtion protocol) type of message (FIP_Type), version number (Version), FIP agreement code (FIP Code), sub-protocol code (sub Code), FIP description field list length (FIP decp list length), only carry the MAC(Medium Access Control of server in the message load, media access control layer) address descriptor field, another kind is the keepalive message that is sent by virtual link, message structure as shown in Figure 2, compare with the keepalive message that server sends, identify virtual link by carrying FIP Vx_Port Identification description field in the keepalive message that virtual link sends.in prior art, according to standard code, each virtual link that arranges on server and server all can be periodically to FCF transmission keepalive message separately, the periodic monitoring of FCF two class keepalive messages, come this server of perception and virtual link state thereof whether normal, if FCF surpasses the keepalive message that some cycles does not receive that a certain server sends, think that this server state is abnormal, FCF will directly delete this server, stop connecting, if FCF surpasses the keepalive message that some cycles does not receive that a certain virtual link sends, think this virtual link abnormal state, FCF will delete this virtual link, stop connecting.
Due in the cloud computing business, the quantity of virtual link is very large, the formed message storm of keepalive message that all virtual link cycles send directly can affect network stabilization, be subjected to simultaneously the limitation of FCF disposal ability, the message storm also can directly cause the separate unit FCF can't dilatation, and if increase FCOE switch agent equipment or FCF can cause being multiplied of network cost.
Based on this, the embodiment of the present invention provides a kind of method and apparatus of knowing the virtual link state, the keepalive message that sends by improving existing server, increase the identification information of normal virtual link under this server in this message, the keepalive message that makes FCF send according to this server can be known the state of virtual link, thereby greatly reduced the keepalive message that virtual link sends, reduced the impact on network stabilization, and then FCF can relatively easily carry out dilatation.
In order to make those skilled in the art person understand better technical scheme in the embodiment of the present invention, and the above-mentioned purpose of the embodiment of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, technical scheme in the embodiment of the present invention is described in further detail.
Referring to Fig. 3, know the method flow diagram of virtual link state for the embodiment of the present invention is a kind of.
The method can comprise:
Step 301, the keepalive message that the FCF reception server sends.
In the FCOE network, virtual link is by Servers installed, how many bar virtual links server needs how many bars namely are set, therefore server this locality stores the information by each virtual link of its setting, in embodiments of the present invention, server adds the identification information of the virtual link of this server use in this message when sending the keepalive message to FCF, be also the identification information of normal virtual link.
In an instantiation, the structure of the keepalive message that this server sends can be as shown in Figure 4.Wherein, increasing the identification information field of a plurality of normal virtual links after the MAC Address description field of message, can be specifically FIP VX_Port Identification description field.The difference of the keepalive message that in this message and prior art, virtual link sends is, the identification information that only comprises this virtual link in the message that virtual link of the prior art sends, for example comprise FIP V1_Port Identification description field, and comprise the identification information of a plurality of normal virtual links in the keepalive message that in the embodiment of the present invention, server sends, for example comprise FIP V1_Port Identification description field, FIP V2_Port Identification description field ... FIP Vn_Port Identification description field.The identification information that can comprise a plurality of normal virtual links in the keepalive message that this server sends, these a plurality of normal virtual links namely need not to send the keepalive message to the FCF cycle like this, thereby can reduce the message amount that FCF receives, preferred, the identification information that comprises all normal virtual links of this server in the keepalive message that this server sends, all normal virtual links under this server all need not to send the keepalive message to the FCF cycle like this, only have this server cycle to send a keepalive message and get final product.
FCF carries out next step after the keepalive message that receives this server transmission.
Step 302, FCF resolves this keepalive message, the identification information of the normal virtual link that comprises in acquisition keepalive message.
FCF resolves this keepalive message, and this resolving is identical with resolving of the prior art, and difference only is in information that FCF resolve to obtain to also have the identification information of normal virtual link except the MAC Address description field.
Step 303, FCF determines normal virtual link according to the identification information of the normal virtual link that comprises in this keepalive message.
FCF can determine normal virtual link after the identification information that obtains normal virtual link.
The keepalive message that the embodiment of the present invention sends by improving existing server, increase the identification information of normal virtual link under this server in this message, make FCF can know the state of virtual link according to the keepalive message that receives, thereby greatly reduced the keepalive message that virtual link sends, reduced the impact on network stabilization, and then FCF can relatively easily carry out dilatation.
Referring to Fig. 5, know the method flow diagram of virtual link state for embodiment of the present invention another kind.
The embodiment of the present invention and difference embodiment illustrated in fig. 3 only be the opposite end with FCF be also server side as executive agent, the method can comprise:
Preferably, the identification information that comprises all normal virtual links of server in the keepalive message that server generates.
The keepalive message that the embodiment of the present invention sends by improving existing server, increase the identification information of normal virtual link under this server in this message, the keepalive message that makes FCF send according to this server can be known the state of virtual link, thereby greatly reduced the keepalive message that virtual link sends, reduced the impact on network stabilization, and then FCF can relatively easily carry out dilatation.
Referring to Fig. 6, know the method flow diagram of virtual link state for embodiment of the present invention another kind.
The embodiment of the present invention describes as an example of Servers installed three virtual link V1, V2, V3 example.According to the prior art scheme, as shown in Figure 7, the keepalive message that FCF needs reception server to send, and the keepalive message that sends respectively of virtual link V1, V2, V3, amount to 4 messages, FCF determines the state of each virtual link according to the situation that receives these messages.And in the present embodiment, determine that the method for virtual link state can comprise:
Server uses these three virtual link V1, V2, V3, also namely these three virtual link states are normal, server increases virtual link V1, V2, V3 identification information separately in this message, be respectively V1_Port Identification descriptor, V2_Port Identification descriptor, V3_Port Identification descriptor, generate final keepalive message, this message structure specifically can be as shown in Figure 8.
In the present embodiment, as shown in Figure 9, just send a keepalive message by server to FCF and get final product, virtual link V1, V2, V3 need not to send message again.
the keepalive message that the embodiment of the present invention sends by improving existing server, increase the identification information of all normal virtual links under this server in this message, the keepalive message that makes FCF send according to this server can be known the state of virtual link, thereby reduced exponentially the keepalive message that FCF receives, solved in the FCOE network, magnanimity keepalive message affects the problem of network stabilization, and utilize the method, separate unit FCF can carry out dilatation better, be unlikely to process because the keepalive message amount is huge, cause necessary increase equipment, greatly reduce network cost.
Be more than the description to the inventive method embodiment, the below is introduced the device of realizing said method.
Referring to Figure 10, be the structural representation of a kind of FCF of the embodiment of the present invention.
This FCF comprises:
The identification information that can comprise all normal virtual links of server in the keepalive message that wherein, message receiving element 1001 receives.
The identification information of normal virtual link under this server that in the embodiment of the present invention, FCF obtains to increase in message by said units, can know the state of virtual link, thereby greatly reduced the keepalive message that FCF receives, reduced the impact on network stabilization, and then FCF can relatively easily carry out dilatation.
Referring to Figure 11, be the structural representation of the another kind of FCF of the embodiment of the present invention.
This FCF can comprise:
In the embodiment of the present invention, FCF is by the identification information of normal virtual link under this server that obtains to increase in message, can know the state of virtual link, thereby greatly reduced the keepalive message that FCF receives, reduced the impact on network stabilization, and then FCF can relatively easily carry out dilatation.
Referring to Figure 12, be the structural representation of a kind of server of the embodiment of the present invention.
This server can comprise:
Wherein, the identification information that comprises all normal virtual links of described server in the described keepalive message that message generation unit 1201 generates.
In the embodiment of the present invention, server improves by said units the keepalive message that existing server sends, increase the identification information of normal virtual link under this server in this message, the keepalive message that makes FCF send according to this server can be known the state of virtual link, thereby greatly reduced the keepalive message that virtual link sends, reduced the impact on network stabilization, and then FCF can relatively easily carry out dilatation.
Referring to Figure 13, be the structural representation of the another kind of server of the embodiment of the present invention.
This server can comprise:
In the embodiment of the present invention, the keepalive message that this server sends by improving existing server, increase the identification information of normal virtual link under this server in this message, the keepalive message that makes FCF send according to this server can be known the state of virtual link, thereby greatly reduced the keepalive message that virtual link sends, reduced the impact on network stabilization, and then FCF can relatively easily carry out dilatation.
Those of ordinary skills can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.The professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The those skilled in the art can be well understood to, and is the convenience described and succinct, and the specific works process of the system of foregoing description, device and unit can with reference to the corresponding process in preceding method embodiment, not repeat them here.
In several embodiment that the application provides, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual the realization, other dividing mode can be arranged, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
Described unit as separating component explanation can or can not be also physically to separate, and the parts that show as the unit can be or can not be also physical locations, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of unit to realize the purpose of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.
If described function realizes with the form of SFU software functional unit and during as independently production marketing or use, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) or processor (processor) carry out all or part of step of the described method of each embodiment of the present invention.And aforesaid storage medium comprises: the various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (10)
1. a method of knowing the virtual link state, is characterized in that, comprising:
The link keep-alive message that Ethernet fibre channel media reception server sends;
Described Ethernet fibre channel media is resolved described link keep-alive message, obtains the identification information of the normal virtual link that comprises in described link keep-alive message;
Described Ethernet fibre channel media is determined normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
2. method according to claim 1, is characterized in that, comprises the identification information of all normal virtual links of described server in the described link keep-alive message that described Ethernet fibre channel media receives.
3. a method of knowing the virtual link state, is characterized in that, comprising:
Server link generation keep-alive message comprises the identification information of normal virtual link in described link keep-alive message;
The described link keep-alive message that described server will generate is sent to the Ethernet fibre channel media, so that described Ethernet fibre channel media is determined normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
4. method according to claim 3, is characterized in that, comprises the identification information of all normal virtual links of described server in the described link keep-alive message that described server generates.
5. an Ethernet fibre channel media, is characterized in that, comprising:
The message receiving element is used for the link keep-alive message that reception server sends;
The packet parsing unit is used for resolving the described link keep-alive message that described message receiving element receives, and obtains the identification information of the normal virtual link that comprises in described link keep-alive message;
Status determining unit, the identification information that is used for the normal virtual link that comprises according to the described link keep-alive message that described packet parsing unit resolves obtains is determined normal virtual link.
6. Ethernet fibre channel media according to claim 5, is characterized in that, comprises the identification information of all normal virtual links of described server in the described link keep-alive message that described message receiving element receives.
7. an Ethernet fibre channel media, is characterized in that, comprising:
Transceiver is used for the link keep-alive message that reception server sends;
Processor is used for resolving the described link keep-alive message that described transceiver receives, and obtains the identification information of the normal virtual link that comprises in described link keep-alive message; And determine normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
8. a server, is characterized in that, comprising:
The message generation unit is used for link generation keep-alive message, comprises the identification information of normal virtual link in described link keep-alive message;
Packet sending unit; be used for the described link keep-alive message that described message generation unit generates is sent to the Ethernet fibre channel media, so that described Ethernet fibre channel media is determined normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
9. server according to claim 8, is characterized in that, comprises the identification information of all normal virtual links of described server in the described link keep-alive message that described message generation unit generates.
10. a server, is characterized in that, comprising:
Processor is used for link generation keep-alive message, comprises the identification information of normal virtual link in described link keep-alive message;
Transceiver; be used for the described link keep-alive message that described processor generates is sent to the Ethernet fibre channel media, so that described Ethernet fibre channel media is determined normal virtual link according to the identification information of the normal virtual link that comprises in described link keep-alive message.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/083006 WO2014059590A1 (en) | 2012-10-16 | 2012-10-16 | Method and device for obtaining virtual link state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103181187A true CN103181187A (en) | 2013-06-26 |
| CN103181187B CN103181187B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280002194.8A Active CN103181187B (en) | 2012-10-16 | 2012-10-16 | A kind of method and apparatus knowing virtual link state |
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| Country | Link |
|---|---|
| CN (1) | CN103181187B (en) |
| WO (1) | WO2014059590A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954165A (en) * | 2015-04-20 | 2015-09-30 | 华为技术有限公司 | Link analysis method, device and system |
| CN105634786A (en) * | 2014-11-24 | 2016-06-01 | 华为技术有限公司 | Link keep-alive method and device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102111306A (en) * | 2009-12-23 | 2011-06-29 | 杭州华三通信技术有限公司 | Method, system and device for detecting virtual link faults based on fiber channel over Ethernet (FCoE) |
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2012
- 2012-10-16 WO PCT/CN2012/083006 patent/WO2014059590A1/en active Application Filing
- 2012-10-16 CN CN201280002194.8A patent/CN103181187B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102111306A (en) * | 2009-12-23 | 2011-06-29 | 杭州华三通信技术有限公司 | Method, system and device for detecting virtual link faults based on fiber channel over Ethernet (FCoE) |
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| 罗敏: "FCoE协议FIP模块的设计与实现", 《中国优秀硕士学位论文全文数据库信息科技辑》, 15 March 2011 (2011-03-15) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634786A (en) * | 2014-11-24 | 2016-06-01 | 华为技术有限公司 | Link keep-alive method and device |
| CN105634786B (en) * | 2014-11-24 | 2019-12-06 | 华为技术有限公司 | link keep-alive method and device |
| CN104954165A (en) * | 2015-04-20 | 2015-09-30 | 华为技术有限公司 | Link analysis method, device and system |
| CN104954165B (en) * | 2015-04-20 | 2018-09-07 | 华为技术有限公司 | A kind of method, equipment and the system of link analysis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103181187B (en) | 2016-09-28 |
| WO2014059590A1 (en) | 2014-04-24 |
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