CN110391978A - A kind of multicast route system and method based on PAAS cloud platform - Google Patents
A kind of multicast route system and method based on PAAS cloud platform Download PDFInfo
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- CN110391978A CN110391978A CN201910643550.8A CN201910643550A CN110391978A CN 110391978 A CN110391978 A CN 110391978A CN 201910643550 A CN201910643550 A CN 201910643550A CN 110391978 A CN110391978 A CN 110391978A
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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
- H04L45/22—Alternate routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/806—Broadcast or multicast traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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Abstract
The invention discloses a kind of multicast route system and method based on PAAS cloud platform, multicast route system includes multicast source and multicast member, each multicast member is all one for generating the calculate node of message packet, calculate node includes processing module, information exchange module, monitoring module, and route planning module, wherein, processing module is arranged in message packet or removes label, information exchange module is used to exchange message packet with other calculate nodes, monitoring module for monitoring information interactive module the label of multicast group in received message packet, route planning module according to information exchange module received message packet generate or delete the Multicast Routing of passback.Whereby, a kind of multicast route system and method based on PAAS cloud platform of the invention can save network broadband, and then mitigate broadband load.
Description
Technical field
The present invention relates to a kind of multicast route system and method more particularly to a kind of Multicast Routings based on PAAS cloud platform
System and method.
Background technique
In current cloud computing era, PAAS cloud platform is the shape by the operation of application service and exploitation environment to service
Formula is supplied to a kind of commercial podium that third party uses.
It is to switch to broadcast mode to realize, but pass through broadcast mode for the processing of multicast in PAAS cloud platform environment at present
Realization can send information to unwanted host to waste broadband, increase broadband load.
Multicast is that a kind of single sender corresponds to the information transmission mode of multiple recipients, if directly passing through multicast mode
It realizes the information transmission in PAAS cloud platform, network broadband can be saved.
Therefore, the main purpose of the present invention is to provide a kind of multicast route system and method based on PAAS cloud platform,
To solve the above problems.
Summary of the invention
The purpose of the present invention is providing a kind of multicast route system and method based on PAAS cloud platform, in PAAS cloud
Multicast Routing is constructed in platform, and then realizes information mutual communication, saves network broadband, mitigates broadband load.
The present invention relates to a kind of multicast route system and method based on PAAS cloud platform.
For up to the advantage at least one or other advantages, one embodiment of the invention proposes a kind of based on PAAS cloud
The multicast route system of platform, multicast route system include multicast source and multicast member.
Wherein, for multicast source for sending multicast message, at least one multicast member is used to receive the multicast of multicast source sending
Message simultaneously forms multicast group with multicast source.
Each multicast member is all one for generating the calculate node of message packet, and calculate node includes processing mould
Block, information exchange module, monitoring module and route planning module.
Wherein, processing module is arranged or removes the label of multicast group in the corresponding message packet of multicast member, to indicate
It is added or leaves the multicast group；Information exchange module is used to exchange message packet with other calculate nodes；Monitoring module is used
In monitoring information interactive module the label of multicast group in received message packet, to confirm that multicast member is added or leaves multicast
The information of group；Route planning module according to information exchange module received message packet generate or delete the multicast path of passback
By.
Further, each multicast member is other than being a calculate node and a control node, control node
For managing and controlling virtual resource.
Further, at least one multicast member can be multiple multicast members, and multiple calculate node connection types are single-stranded
Connection, wherein calculate node is all client calculate node, each client calculate node in multiple client calculate nodes
All it is connected with each other to transmit multicast message.
In addition, multiple calculate node connection types can also connect for multichain, wherein calculate node is divided into client calculating section
Point and peer calculate node, client calculate node only transmit multicast message to associated peer calculate node, subsequent peer
Calculate node continues to transmit multicast message to the client calculate node of association oneself or another adjacent peer calculating section
Point.
It can be it is further proposed that a kind of base at least one or other advantages, one embodiment of the invention up to the advantage
In the multicast route method of PAAS cloud platform, it to be used for multicast route system.Multicast route system include multicast source and multicast at
Member, wherein multicast member and multicast source form multicast group.
Multicast route method includes the following steps: that multicast source issues multicast message to initiate multicast group；Add multicast member
Into multicast group；Cut redundancy Multicast Routing；And multicast member leaves multicast group.
Further, the multiple calculating sections having at least one multicast group and multicast group are had existed in PAAS cloud platform
Point, calculate node are located at multicast member and for generating message packet.Addition multicast member enters under multicast group further comprises
Column step:
Multicast is arranged in the corresponding message packet of the first calculate node in step 1, the first calculate node in multiple calculate nodes
Message packet with label is sent to the second calculate node in multiple calculate nodes by the label of group, the first calculate node；
Step 2, the second calculate node according to received message packet generate the Multicast Routing of passback and monitor second and calculate and save
Point is with the presence or absence of from other multicast members and with the message packet of same label；
Step 3 will if the second calculate node is existing from other multicast members and with the message packet of same label
Multicast member accesses existing multicast group, and ends processing；
Step 4 will if the second calculate node receives the message packet from other multicast members and same label is not present
Message packet is sent to the third calculate node in multiple calculate nodes；
Step 5, third calculate node according to received message packet generate the Multicast Routing of passback and monitor third and calculate section
Point is with the presence or absence of from other multicast members and with the message packet of same label；
Step 6 will if third calculate node is existing from other multicast members and with the message packet of same label
Multicast member accesses existing multicast group, and ends processing；
Step 7 will if third calculate node receives the message packet from other multicast members and same label is not present
Message packet is sent to the 4th calculate node in multiple calculate nodes.
Further, the multiple calculating having at least one multicast group and multicast group are had existed in PAAS cloud platform
Node, calculate node are located at multicast member, and multicast group has fixed Multicast Routing.Cutting redundancy Multicast Routing further comprises
The following steps:
Third calculate node in multiple calculate nodes receives the multicast message that multicast source issues；
After third calculate node inquires Multicast Routing, corresponding first calculate node and the second calculating into multiple calculate nodes
Node sends multicast message；
After first calculate node receives the multicast message of third calculate node transmission, multicast message is calculated to first respectively and is saved
The multicast member of point and the second calculate node are sent；
Second calculate node receives the multicast message that the first calculate node and third calculate node are sent, and inquires Multicast Routing
It is sent afterwards to the multicast member of the second calculate node, and deletes the Multicast Routing that the second calculate node reaches the first calculate node；
And
The arrival time that the second calculate node receives the first calculate node and third calculate node sends multicast message is compared,
If multicast message of the multicast message from third calculate node earlier than the first calculate node is received in, the second calculate node is logical
Know that the first calculate node does not have to again forwarding multicasting message to the second calculate node, and deletes the first calculate node and reach second level meter
The Multicast Routing of operator node.
Further, the multiple calculating having at least one multicast group and multicast group are had existed in PAAS cloud platform
Node, calculate node are located at multicast member and for generating message packet, and it further comprises following that multicast member, which leaves multicast group,
Step:
Step 1, the first calculate node in multiple calculate nodes remove multicast in the corresponding message packet of the first calculate node
The message packet for deleting label is sent to the second calculate node by the label of group, the first calculate node；
Step 2, the second calculate node in multiple calculate nodes according to received message packet delete the Multicast Routing of passback
And monitor the message packet that the second calculate node whether there is from other multicast members and have same label；
Step 3, if the second calculate node and is tied there are still from other multicast members and the message packet of same label is had
Beam processing；
Step 4 will if the second calculate node is not present from other multicast members and has the message packet of same label
Message packet is sent to the third calculate node in multiple calculate nodes；
Step 5, third calculate node according to received message packet delete the Multicast Routing of passback and monitor third and calculate section
Point is with the presence or absence of from other multicast members and with the message packet of same label；
Step 6, if third calculate node and is tied there are still from other multicast members and the message packet of same label is had
Beam processing；
Step 7 will if third calculate node is not present from other multicast members and has the message packet of same label
Message packet is sent to the 4th calculate node in multiple calculate nodes.
Therefore, it using a kind of multicast route system and method based on PAAS cloud platform provided by the present invention, is used for
Multicast Routing is constructed in PAAS cloud platform, and then realizes information mutual communication, saves network broadband, mitigates broadband load.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Included attached drawing is used to provide that a further understanding of the embodiments of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with verbal description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of multicast route system of the present invention；
Fig. 2 is a kind of connected mode schematic diagram of calculate node of the present invention；
Fig. 3 is another connected mode schematic diagram of calculate node of the present invention；
Fig. 4 is the flow diagram of multicast route method of the present invention；
Fig. 5 is the flow diagram that present invention addition multicast member enters multicast group；
Fig. 6 is the flow diagram that the present invention cuts redundancy Multicast Routing；And
Fig. 7 is the flow diagram that multicast member of the present invention leaves multicast group.
Specific embodiment
Specific structure and function details disclosed herein are only representative, and are for describing the present invention show
The purpose of example property embodiment.But the present invention can be implemented by many alternative forms, and be not interpreted as
It is limited only by the embodiments set forth herein.
In the description of the present invention, it is to be understood that, term " center ", " transverse direction ", "upper", "lower", "left", "right",
It is orientation based on the figure or position that the orientation of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" or position, which are closed,
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or component of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term
" first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate meaning
The quantity of the technical characteristic shown.Define " first " as a result, the feature of " second " can explicitly or implicitly include one or
More this feature of person.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Separately
Outside, term " includes " and its any deformation, it is intended that cover and non-exclusive include.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
The connection of two component internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singular used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " includes " and/or "comprising" used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or combination thereof.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of multicast route system 10 of the present invention.For up to the advantage at least within
One of or other advantages, one embodiment of the invention a kind of multicast route system 10 based on PAAS cloud platform, Fig. 1 example are provided
In as it can be seen that multicast route system 10 include multicast source 12 and multicast member 14.Multicast source 12 is for sending multicast message, group
Member 14 is broadcast for receiving the multicast message of the sending of multicast source 12 and forming multicast group 16 with multicast source 12.
Each multicast member 14 is all one for generating the calculate node 18 of message packet 1802, and calculate node 18 is wrapped
Include processing module 1804, information exchange module 1806, monitoring module 1808 and route planning module 1810.
Processing module 1804 is arranged or removes the label of multicast group 16 in the corresponding message packet 1802 of multicast member 14,
To indicate to be added or leave multicast group 16；Information exchange module 1806 is used to exchange message packet with other calculate nodes 18
1802；Monitoring module 1808 for monitoring information interactive module 1806 the mark of multicast group 16 in received message packet 1802
Label, to confirm that multicast member 14 is added or leaves the information of multicast group 16；Route planning module 1810 is according to information exchange module
1806 received message packet 1802 generate or delete the Multicast Routing of passback.
It further illustrates, each multicast member 14 is other than being a calculate node 18 and a control node
20, control node 20 is for managing and controlling virtual resource.
Further illustrate, different multicast members 14 can be the same calculate node 18, and multicast group 16 can also be only
There is multicast source 12, the multicast message that multicast source 12 at this time issues will not be forwarded.
Cooperation 1 is referring to Fig. 2, Fig. 2 is a kind of connected mode schematic diagram of calculate node 18 of the present invention.It can in Fig. 2 example
See, the connection type of multiple calculate nodes 18 is single-stranded connection, wherein each calculate node 18 is all client calculate node
1812, each of multiple client calculate nodes 1812 client calculate node 1812 is all connected with each other to transmit multicast
Message.
Cooperate Fig. 1 referring to Fig. 3, Fig. 3 is another connected mode schematic diagram of calculate node 18 of the present invention.Fig. 3 example
In as it can be seen that multiple calculate nodes 18 connection type be multichain connection, wherein calculate node 18 is divided for client calculate node
1812 and peer calculate node 1816, in diagram, peer calculate node 1816 has peer1 calculate node 1817 and peer2
Calculate node 1818, client calculate node 1812 have client1 calculate node 1813, client2 calculate node 1814 and
Client3 calculate node 1815.
Wherein, client1 calculate node 1813 transmits multicast message to associated peer1 calculate node 1817, rear peer1
Calculate node 1817 transmits multicast message to associated client2 calculate node 1814 and adjacent peer2 calculate node 1818,
Peer2 calculate node 1818 transmits multicast message to associated client3 calculate node 1815 again.
It further illustrates, when 18 scale of calculate node of multicast group 16 is smaller, single-stranded connection type can be used, construct
The topology interaction routing iinformation of full mesh.When the calculate node 18 of multicast group 16 is larger, due to full mesh shape
The connection number that formula interaction routing iinformation will cause each calculate node 18 is excessive, makes the broadband load excessive of calculate node 18, because
This can select multichain connection type.
Cooperate Fig. 1 referring to Fig. 4, Fig. 4 is the flow diagram of multicast route method of the present invention.For up to the advantage at least
One of them or other advantages, one embodiment of the invention provide a kind of multicast route method based on PAAS cloud platform, are used for
Multicast route system 10, as it can be seen that multicast route system 10 includes multicast source 12 and multicast member 14 in Fig. 1 example, wherein group
It broadcasts member 14 and multicast source 12 forms multicast group 16.
As it can be seen that multicast route method includes the following steps: in Fig. 4 example
S200: multicast source issues multicast message to initiate multicast group；
S400: addition multicast member enters multicast group；
S600: redundancy Multicast Routing is cut；
S800: multicast member leaves multicast group.
Cooperation Fig. 1 is referring to Fig. 5, Fig. 5 is the flow diagram that present invention addition multicast member enters multicast group.Fig. 1 shows
Have in example as it can be seen that being had existed in the multicast route system 10 based on PAAS cloud platform in a multicast group 16 and multicast group 16
The multiple calculate nodes 18 having, calculate node 18 are located on multicast member 14 and for generating message packet 1802.
As it can be seen that it further comprises the following steps that addition multicast member, which enters multicast group, in Fig. 5 example:
S402: multicast group is arranged in the corresponding message packet of the first calculate node in the first calculate node in multiple calculate nodes
Label, the first calculate node will be sent to the second calculate node in multiple calculate nodes with the message packet of label；
S404: the second calculate node according to received message packet generate the Multicast Routing of passback and monitor the second calculate node
With the presence or absence of from other multicast members and with the message packet of same label；
S406: if the second calculate node is existing from other multicast members and with the message packet of same label, by group
It broadcasts member and accesses existing multicast group, and end processing；
S408: if the second calculate node receives the message packet from other multicast members, there is no same labels, will letter
Breath package is sent to the third calculate node in multiple calculate nodes；
S410: third calculate node according to received message packet generate the Multicast Routing of passback and monitor third calculate node
With the presence or absence of from other multicast members and with the message packet of same label；
S412: if third calculate node is existing from other multicast members and with the message packet of same label, by group
It broadcasts member and accesses existing multicast group, and end processing；
S414: if third calculate node receives the message packet from other multicast members, there is no same labels, will letter
Breath package is sent to the 4th calculate node in multiple calculate nodes.
Further illustrate, if the 4th calculate node receive the message packet from other multicast members be still not present it is identical
Message packet is then sent to next calculate node by label, and message packet generates back next calculate node based on the received
The Multicast Routing of biography simultaneously monitors in this calculate node with the presence or absence of the information envelope from other multicast members and with same label
Packet, if so, then ending processing；If nothing, this step is repeated until finding in the presence of from other multicast members and with identical mark
The calculate node or the calculate node where multicast source of the message packet of label, after end processing.
Cooperation Fig. 1 is referring to Fig. 6, Fig. 6 is the flow diagram that the present invention cuts redundancy Multicast Routing.It can in Fig. 1 example
See, had existed in the multicast route system 10 based on PAAS cloud platform in a multicast group 16 and multicast group 16 have it is more
A calculate node 18, calculate node 18 are located on multicast member 14 and for generating message packet 1802, and multicast group 16 has solid
Fixed Multicast Routing.
As it can be seen that cutting redundancy Multicast Routing further comprises the following steps in Fig. 6 example:
S602: the third calculate node in multiple calculate nodes receives the multicast message that multicast source issues；
S604: after third calculate node inquires Multicast Routing, corresponding first calculate node and the into multiple calculate nodes
Two calculate nodes send multicast message；
After S606: the first calculate node receives the multicast message of third calculate node transmission, by multicast message respectively to first
The multicast member of calculate node and the second calculate node are sent；
S608: the second calculate node receives the multicast message that the first calculate node and third calculate node are sent, inquiry group
It is sent after broadcasting routing to the multicast member of the second calculate node, and deletes the multicast that the second calculate node reaches the first calculate node
Routing；
S610: when the second calculate node of comparison receives the first calculate node and the arrival of third calculate node transmission multicast message
Between, wherein second calculates if receiving multicast message of the multicast message from third calculate node earlier than the first calculate node
Node notifies the first calculate node not have to again forwarding multicasting message to the second calculate node, and deletes the first calculate node and reach the
The Multicast Routing of second level calculate node.
Cooperate Fig. 1 referring to Fig. 7, Fig. 7 is the flow diagram that multicast member of the present invention leaves multicast group.In Fig. 1 example
As it can be seen that having existed in the multicast route system 10 based on PAAS cloud platform has in a multicast group 16 and multicast group 16
Multiple calculate nodes 18, calculate node 18 are located on multicast member 14 and for generating message packet 1802.
As it can be seen that it further comprises the following steps that multicast member, which leaves multicast group, in Fig. 7 example:
S802: the first calculate node in multiple calculate nodes removes multicast group in the corresponding message packet of the first calculate node
Label, the message packet for deleting label is sent to the second calculate node by the first calculate node；
S804: the second calculate node in multiple calculate nodes according to received message packet delete the Multicast Routing of passback simultaneously
Monitor the message packet that the second calculate node whether there is from other multicast members and have same label；
S806: if the second calculate node and terminates there are still from other multicast members and the message packet of same label is had
Processing；
S808:, will letter if the second calculate node is not present from other multicast members and has the message packet of same label
Breath package is sent to the third calculate node in multiple calculate nodes；
S810: third calculate node according to received message packet delete the Multicast Routing of passback and monitor third calculate node
With the presence or absence of from other multicast members and with the message packet of same label；
S812: if third calculate node and terminates there are still from other multicast members and the message packet of same label is had
Processing；
S814:, will letter if third calculate node is not present from other multicast members and has the message packet of same label
Breath package is sent to the 4th calculate node in multiple calculate nodes.
It further illustrates, if the 4th calculate node is still not present from other multicast members and has the information of same label
Message packet is then sent to next calculate node by package, and next calculate node deletes passback according to the received message packet of institute
Multicast Routing and monitor in this calculate node with the presence or absence of from other multicast members and have same label message packet,
If so, then ending processing；If nothing, repeats this step and exist until finding from other multicast members and with same label
The calculate node or the calculate node where multicast source of message packet, after end processing.
It remarks additionally herein, multicast source 12 can also be deployed in outside PAAS cloud platform, be introduced to by flux of multicast
Inside PAAS cloud platform.
It further remarks additionally, when message packet 1802 is unavailable because of failure, multicast route system 10 can be according to multicast
The case where member 14 leaves processing.
Therefore, it using a kind of multicast route system 10 and method based on PAAS cloud platform provided by the present invention, is used for
Multicast Routing is constructed in PAAS cloud platform, and then realizes information mutual communication, saves network broadband, mitigates broadband load.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the method and technique content using the disclosure above make it is a little more
Equivalent embodiment that is dynamic or being modified to equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the present invention
Technical spirit any simple modification, equivalent change and modification to the above embodiments, still fall within technical solution of the present invention
In the range of.
Claims (8)
1. a kind of multicast route system based on PAAS cloud platform, which is characterized in that the multicast route system includes:
Multicast source and multicast member, wherein
Multicast source, for sending multicast message；And
At least one multicast member, for receiving the multicast message of the multicast source sending and forming multicast with the multicast source
Group, wherein each multicast member is all a calculate node, and the calculate node is for generating message packet, the calculating section
Point includes processing module, information exchange module, monitoring module and route planning module, wherein
Processing module is arranged or removes the label of the multicast group in the corresponding message packet of Yu Suoshu multicast member, to indicate
It is added or leaves the multicast group,
Information exchange module, for exchanging the message packet with other calculate nodes,
Monitoring module, for monitor the information exchange module multicast group described in received message packet label, with true
Recognize the information that multicast member was added or left the multicast group, and
Route planning module, according to the information exchange module received message packet generate or delete the multicast path of passback
By.
2. multicast route system as described in claim 1, which is characterized in that each described multicast member is in addition to being a meter
Except operator node and a control node, the control node are used to manage and control virtual resource.
3. multicast route system as described in claim 1, which is characterized in that at least one described multicast member is multiple multicasts
Member, the multiple calculate node connection type is single-stranded connection, wherein the calculate node is all client calculate node, institute
Each client calculate node in multiple client calculate nodes is stated all to be connected with each other to transmit the multicast message.
4. multicast route system as described in claim 1, which is characterized in that at least one described multicast member is multiple multicasts
Member, the multiple calculate node connection type be multichain connection, wherein the calculate node be divided into client calculate node with
And peer calculate node, the client calculate node only transmit the multicast message to associated peer calculate node, it is subsequent
The peer calculate node continues to transmit the multicast message to being associated with the client calculate node of oneself or another is adjacent
Peer calculate node.
5. a kind of multicast route method based on PAAS cloud platform, is used for multicast route system, the multicast route system includes
Multicast source and multicast member, wherein the multicast member and the multicast source form multicast group, which is characterized in that described group
Multicast routing method includes the following steps:
The multicast source issues multicast message to initiate the multicast group；
The multicast member is added into the multicast group；
Cut redundancy Multicast Routing；And
The multicast member leaves the multicast group.
6. multicast route method as claimed in claim 5 has existed at least one multicast group in the PAAS cloud platform
With the multiple calculate nodes having in the multicast group, the calculate node is located at the multicast member and for generating information envelope
Packet, which is characterized in that it further comprises the following steps that the addition multicast member, which enters the multicast group:
Step 1, the first calculate node in the multiple calculate node is in the corresponding message packet of first calculate node
The label of the multicast group is set, and the message packet with the label is sent to the multiple calculating by first calculate node
The second calculate node in node；
Step 2, second calculate node according to received message packet generate the Multicast Routing of passback and monitor described the
Two calculate nodes whether there is from other multicast members and have the message packet of the identical label；
Step 3, if the existing information from other multicast members and with the identical label of second calculate node is sealed
The multicast member is then accessed existing multicast group, and ended processing by packet；
Step 4, if second calculate node receives the message packet from other multicast members, there is no the identical marks
Label, then the third calculate node being sent to the message packet in the multiple calculate node；
Step 5, the third calculate node according to received message packet generate the Multicast Routing of passback and monitor described the
Three calculate nodes whether there is from other multicast members and have the message packet of the identical label；
Step 6, if the existing information from other multicast members and with the identical label of the third calculate node is sealed
The multicast member is then accessed existing multicast group, and ended processing by packet；
Step 7, if the third calculate node receives the message packet from other multicast members, there is no the identical marks
Label, then the 4th calculate node being sent to the message packet in the multiple calculate node.
7. multicast route method as claimed in claim 5 has existed at least one multicast group in the PAAS cloud platform
With the multiple calculate nodes having in the multicast group, the calculate node is located at the multicast member, and the multicast group has
Fixed Multicast Routing, which is characterized in that the cutting redundancy Multicast Routing further comprises the following steps: the multiple calculating
Third calculate node in node receives the multicast message that the multicast source issues；
After the third calculate node inquires the Multicast Routing, corresponding first calculate node into the multiple calculate node
And second calculate node send the multicast message；
After first calculate node receives the multicast message that the third calculate node is sent, the multicast message is distinguished
It is sent to the multicast member of first calculate node and second calculate node；
Second calculate node receives the multicast message that first calculate node and the third calculate node are sent,
It is sent after inquiring the Multicast Routing to the multicast member of second calculate node, and deletes second calculate node and reach
The Multicast Routing of first calculate node；And
It compares second calculate node and receives first calculate node and the third calculate node transmission multicast
The arrival time of message, wherein if receiving the multicast message from the third calculate node earlier than first calculate node
Multicast message, then second calculate node notifies first calculate node not have to forward the multicast message to described the again
Two calculate nodes, and delete the Multicast Routing that first calculate node reaches the second level calculate node.
8. multicast route method as claimed in claim 5 has existed at least one multicast group in the PAAS cloud platform
With the multiple calculate nodes having in the multicast group, the calculate node is located at the multicast member and for generating information envelope
Packet, which is characterized in that it further comprises the following steps that the multicast member, which leaves multicast group:
Step 1, the first calculate node in the multiple calculate node is in the corresponding message packet of first calculate node
The label of the multicast group is removed, the message packet for deleting the label is sent to the second calculating section by first calculate node
Point；
Step 2, the second calculate node in the multiple calculate node according to received message packet delete the multicast of passback
Route and monitor the information envelope that second calculate node whether there is from other multicast members and have the identical label
Packet；
Step 3, if there are still the information envelopes from other multicast members and with the identical label for second calculate node
Packet, and end processing；
Step 4, if second calculate node is not present the information from other multicast members and with the identical label and seals
Packet, then the third calculate node being sent to the message packet in the multiple calculate node；
Step 5, the third calculate node according to received message packet delete the Multicast Routing of passback and monitor described the
Three calculate nodes whether there is from other multicast members and have the message packet of the identical label；
Step 6, if there are still the information envelopes from other multicast members and with the identical label for the third calculate node
Packet, and end processing；
Step 7, if the third calculate node is not present the information from other multicast members and with the identical label and seals
Packet, then the 4th calculate node being sent to the message packet in the multiple calculate node.
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