CN108206782A - Message forwarding method, device, chip and server - Google Patents
Message forwarding method, device, chip and server Download PDFInfo
- Publication number
- CN108206782A CN108206782A CN201711177939.5A CN201711177939A CN108206782A CN 108206782 A CN108206782 A CN 108206782A CN 201711177939 A CN201711177939 A CN 201711177939A CN 108206782 A CN108206782 A CN 108206782A
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- Prior art keywords
- list item
- message
- forwarded
- host routes
- message forwarding
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/20—Hop count for routing purposes, e.g. TTL
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of message forwarding method, device, chip and servers.Wherein, the message forwarding-table item of message forwarding chip includes:Next-hop list item and Host routes list item, wherein, next-hop list item is the identical high-order portion of the physical server under same virtual server, and Host routes list item is the different low portions of the physical server under same virtual server.The present invention solves in the related art, due to the substantial amounts of next skip list required for Host routes table, there is technical issues that chip cost.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of message forwarding method, device, chip and server.
Background technology
In the related art, editor's information of the message of Host routes next-hop is exported in message at processing engine
Reason, due to the media access control (Media Access Control, referred to as MAC) of a Host routes next-hop host
Location is different, so the quantity of next skip list required for Host routes table is equal to Host routes entry number.
In data center network application, the substantial amounts of host, since the quantity of host can be limited to next-hop list item
Quantity, therefore when chip designs, not only to increase the quantity of Host routes table when meeting huge host number, equally
It needs to increase the next-hop list item of quantity identical with route table items, greatly increases the cost of chip.
Therefore, in the related art, due to the substantial amounts of next skip list required for Host routes table, there are chip costs
The problem of high.
For it is above-mentioned the problem of, currently no effective solution has been proposed.
Invention content
An embodiment of the present invention provides a kind of message forwarding method, device, chip and server, at least to solve in correlation
In technology, due to the substantial amounts of next skip list required for Host routes table, there is chip cost.
One side according to embodiments of the present invention provides a kind of message forwarding chip, the message forwarding chip
Message forwarding-table item includes:Next-hop list item and Host routes list item, wherein, the next-hop list item is same virtual server
Under physical server identical high-order portion, the Host routes list item be same virtual server under physical server
Different low portions.
Optionally, the next-hop list item and Host routes list item that the message forwarding-table item of the message forwarding chip includes by
Predetermined convergence is than determining.
According to another aspect of the present invention, a kind of message forwarding method is provided, including:Determine the purpose of message to be forwarded
MAC address, wherein, the target MAC (Media Access Control) address includes next-hop list item and Host routes list item, wherein, institute
Identical high-order portion of the next-hop list item for the physical server under same virtual server is stated, the Host routes list item is
The different low portions of physical server under same virtual server;By the message to be forwarded according to the determining mesh
MAC Address be forwarded.
Optionally it is determined that the MAC Address of the message to be forwarded includes:It obtains to determine in the MAC Address
The next-hop list item and the Host routes table item size convergence ratio;According to the convergence ratio of acquisition, institute is determined
State the MAC Address of message to be forwarded.
Optionally, it is 4 that the convergence ratio, which is the ratio between the next-hop list item and the Host routes list item,:1.
Further aspect according to the present invention provides a kind of apparatus for forwarding message, including:Determining module, for determining to treat
The purpose MAC address to E-Packet, wherein, the target MAC (Media Access Control) address includes next-hop list item and host road
By list item, wherein, the next-hop list item is the identical high-order portion of the physical server under same virtual server, described
Host routes list item is the different low portions of the physical server under same virtual server;Forwarding module, for by institute
Message to be forwarded is stated to be forwarded according to the determining target MAC (Media Access Control) address.
Optionally, the determining module includes:Acquiring unit, for obtaining for described in determining in the MAC Address
The convergence ratio of next-hop list item and the Host routes table item size;Determination unit, for the convergence ratio according to acquisition,
Determine the MAC Address of the message to be forwarded.
Optionally, it is 4 that the convergence ratio, which is the ratio between the next-hop list item and the Host routes list item,:1.
In accordance with a further aspect of the present invention, a kind of message forwarding chip is provided, including device described in any one of the above embodiments.
In accordance with a further aspect of the present invention, a kind of server is provided, including message forwarding chip described above.
In embodiments of the present invention, it is designed to using the message forwarding-table item for forwarding the packet chip:Next-hop list item and
Host routes list item, wherein, next-hop list item is the identical high-order portion of the physical server under same virtual server, main
Machine route table items are the different low portions of the physical server under same virtual server, therefore, are designed on chip same
During physical server under one virtual server, it is only necessary to design different low portions, reach reduction design next skip list
The purpose of item it is achieved thereby that reducing the technique effect of chip cost, and then solves in the related art, due to Host routes
The substantial amounts of next skip list required for table, there is technical issues that chip cost.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of message forwarding chip according to embodiments of the present invention;
Fig. 2 is the flow chart of message forwarding method according to embodiments of the present invention;
Fig. 3 is the structure diagram of the apparatus for forwarding message provided according to embodiments of the present invention;
Fig. 4 is the preferred structure block diagram of determining module 32 in the apparatus for forwarding message provided according to embodiments of the present invention;
Fig. 5 is the structure diagram of message forwarding chip according to embodiments of the present invention;
Fig. 6 is the schematic diagram of server according to embodiments of the present invention;
Fig. 7 is virtual machine network access host routing forwarding schematic diagram according to embodiments of the present invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not listing clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
A kind of message forwarding chip is provided in embodiments of the present invention, and Fig. 1 is that message according to embodiments of the present invention turns
The schematic diagram of chip is sent out, as shown in Figure 1, the message forwarding-table item of the message forwarding chip includes:Next-hop list item and host road
By list item, wherein, identical high-order portion of the next-hop list item for the physical server under same virtual server, Host routes
List item is the different low portions of the physical server under same virtual server.
Optionally, the next-hop list item and Host routes table that the message forwarding-table item of above-mentioned message forwarding chip can include
Item is by predetermined convergence than determining.
According to embodiments of the present invention, a kind of embodiment of the method for message forwarding method is provided, it should be noted that attached
The step of flow of figure illustrates can perform in the computer system of such as a group of computer-executable instructions, though also,
So show logical order in flow charts, but in some cases, can be performed with the sequence being different from herein shown by
Or the step of description.
Fig. 2 is the flow chart of message forwarding method according to embodiments of the present invention, as shown in Fig. 2, this method is including as follows
Step:
Step S202 determines the purpose MAC address of message to be forwarded, wherein, target MAC (Media Access Control) address includes
Next-hop list item and Host routes list item, wherein, next-hop list item is the identical of the physical server under same virtual server
High-order portion, Host routes list item be same virtual server under physical server different low portions;
Message to be forwarded is forwarded by step S204 according to determining target MAC (Media Access Control) address.
By above-mentioned steps, it is designed to using the message forwarding-table item for forwarding the packet chip:Next-hop list item and host
Route table items, wherein, identical high-order portion of the next-hop list item for the physical server under same virtual server, host road
By different low portions of the list item for the physical server under same virtual server, therefore, same void is designed on chip
When intending the physical server under server, it is only necessary to design different low portions, reach and reduced design next-hop list item
Purpose it is achieved thereby that reducing the technique effect of chip cost, and then solves in the related art, by Host routes table institute
The substantial amounts of next skip list are needed, there is chip cost.
Optionally, in the MAC Address for determining message to be forwarded, various ways may be used, including:It obtains to determine
The convergence ratio of next-hop list item and Host routes table item size in MAC Address;According to the convergence ratio of acquisition, determine to be forwarded
The MAC Address of message.Depending on specific convergence ratio can be according to concrete condition, for example, convergence ratio is next-hop list item and host
The ratio between route table items are 4:1.
Fig. 3 is the structure diagram of the apparatus for forwarding message provided according to embodiments of the present invention, as shown in figure 3, the message turns
Transmitting apparatus includes determining module 32 and forwarding module 34, and the device is illustrated below.
Determining module 32, for determining the purpose MAC address of message to be forwarded, wherein, purpose MAC
Location includes next-hop list item and Host routes list item, wherein, next-hop list item is the physical server under same virtual server
Identical high-order portion, Host routes list item be same virtual server under physical server different low portions;
Forwarding module 34 is connected to above-mentioned determining module 32, for message to be forwarded to be turned according to determining target MAC (Media Access Control) address
Hair.
Fig. 4 is the preferred structure block diagram of determining module 32 in the apparatus for forwarding message provided according to embodiments of the present invention, such as
Shown in Fig. 4, which includes:Acquiring unit 42 and determination unit 44 below illustrate the determining module 32.
Acquiring unit 42, for obtaining to determine the next-hop list item and Host routes table item size in MAC Address
Convergence ratio;Determination unit 44 is connected to above-mentioned acquiring unit 42, for the convergence ratio according to acquisition, determines message to be forwarded
MAC Address.
Optionally, it is 4 that above-mentioned convergence ratio, which can be the ratio between next skip list item and Host routes list item,:1.
In embodiments of the present invention, a kind of message forwarding chip is additionally provided, Fig. 5 is message according to embodiments of the present invention
The structure diagram of forwarding chip, as shown in figure 5, the message forwarding chip 50 includes the apparatus for forwarding message of any of the above-described
52。
In embodiments of the present invention, a kind of server is additionally provided, Fig. 6 is showing for server according to embodiments of the present invention
It is intended to, as shown in fig. 6, the server 60 includes above-mentioned message forwarding chip 52.
The preferred embodiment for the present invention is illustrated below.
In data center network, the virtualization of server has become one of technology important in data center, a void
The server of plan can include multiple physical servers, and the mode of such server access data center switchboard is just virtual machine
Network insertion, each physical server is exactly a host in this case, under normal circumstances, under a virtual server
Physical server supplied by same equipment vendors, so a high position for MAC Address is identical, so host on a server
48 bit macs can include:Next-hop list item and Host routes list item, there is no need to be equal to Host routes for such next-hop list item
List item solves the problems, such as that large capacity next-hop list item is insufficient, while can substantially reduce the design cost of chip.
The composition of 48 bit macs of host comes from one server:Next-hop list item and Host routes list item, in next-hop
Store the high-order MAC Address of virtual machine in list item, same server only needs the list item of a next-hop, final message from
The purpose MAC={ MAC_High in next-hop list item, route table items in MAC_Low } of message when network interface is sent out.
Fig. 7 is virtual machine network access host routing forwarding schematic diagram according to embodiments of the present invention, as shown in fig. 7,
In Host routes repeating process, the next-hop mac address of message can go out least-significant byte MAC Address from Host routes list item, under
Go out the MAC Address of high 40 in one skip list item.
Using the above method design next-hop mac address chip, can by a convergence ratio come design Host routes table and
The list item size of next-hop list item, such as according to 4:1 mode only needs in this way when supporting 128*1024 Host routes list items
32*1024 next-hop list items, can greatly save next-hop list item, save the design cost of chip, while big in large scale deployment
In the data center network of the virtual server of amount, the interchanger system of one or several collection cost approach chip of deployment is also only needed
System can greatly save the cost of investment of data center.
It should be noted that said chip is not limited to application-specific integrated circuit (Application Specific
Integrated Circuit, referred to as ASIC), further include field programmable gate array (Field Programmable Gate
Array, referred to as FPGA) or network processing unit (Network Processor, referred to as NP) etc..
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasize particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or
Person is desirably integrated into another system or some features can be ignored or does not perform.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
On unit.Some or all of unit therein can be selected according to the actual needs to realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
It embodies, which is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment the method for the present invention whole or
Part steps.And aforementioned storage medium includes:USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of message forwarding chip, which is characterized in that the message forwarding-table item of the message forwarding chip includes:Next skip list
Item and Host routes list item, wherein, the next-hop list item is the identical height of the physical server under same virtual server
Bit position, the Host routes list item are the different low portions of the physical server under same virtual server.
2. message forwarding chip according to claim 1, which is characterized in that the message forwarding table of the message forwarding chip
The next-hop list item and Host routes list item that item includes are determined by predetermined convergence ratio.
3. a kind of message forwarding method, which is characterized in that including:
Determine the purpose MAC address of message to be forwarded, wherein, the target MAC (Media Access Control) address includes next skip list
Item and Host routes list item, wherein, the next-hop list item is the identical height of the physical server under same virtual server
Bit position, the Host routes list item are the different low portions of the physical server under same virtual server;
The message to be forwarded is forwarded according to the determining target MAC (Media Access Control) address.
4. according to the method described in claim 3, it is characterized in that, determine that the MAC Address of the message to be forwarded includes:
Obtain the convergence for determining the next-hop list item and the Host routes table item size in the MAC Address
Than;
According to the convergence ratio of acquisition, the MAC Address of the message to be forwarded is determined.
5. according to the method described in claim 4, it is characterized in that, the convergence ratio is the next-hop list item and the host
The ratio between route table items are 4:1.
6. a kind of apparatus for forwarding message, which is characterized in that including:
Determining module, for determining the purpose MAC address of message to be forwarded, wherein, the target MAC (Media Access Control) address
Including next-hop list item and Host routes list item, wherein, the next-hop list item is the physical services under same virtual server
The identical high-order portion of device, the Host routes list item are the different low levels of the physical server under same virtual server
Part;
Forwarding module, for the message to be forwarded to be forwarded according to the determining target MAC (Media Access Control) address.
7. device according to claim 6, which is characterized in that the determining module includes:
Acquiring unit, for obtaining to determine the next-hop list item in the MAC Address and the Host routes list item
Size convergence ratio;
Determination unit for the convergence ratio according to acquisition, determines the MAC Address of the message to be forwarded.
8. device according to claim 7, which is characterized in that the convergence ratio is the next-hop list item and the host
The ratio between route table items are 4:1.
9. a kind of message forwarding chip, which is characterized in that including the device described in any one of claim 6 to 8.
10. a kind of server, which is characterized in that including the message forwarding chip described in claim 9.
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CN108206782B CN108206782B (en) | 2021-07-06 |
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Cited By (1)
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CN112600951A (en) * | 2020-12-08 | 2021-04-02 | 杭州迪普信息技术有限公司 | Message forwarding method and device |
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