CN102231704B - The method and apparatus of service deployment in a kind of RSVP TE dynamic tunnels - Google Patents
The method and apparatus of service deployment in a kind of RSVP TE dynamic tunnels Download PDFInfo
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- CN102231704B CN102231704B CN201110172778.7A CN201110172778A CN102231704B CN 102231704 B CN102231704 B CN 102231704B CN 201110172778 A CN201110172778 A CN 201110172778A CN 102231704 B CN102231704 B CN 102231704B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L45/00—Routing or path finding of packets in data switching networks
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Abstract
The invention discloses a kind of method of service deployment in RSVP TE dynamic tunnels, the access type tunnel associated with remote signaling type tunnel is configured in non-head node；Business configuration is carried out in the access type tunnel；The present invention also discloses a kind of device of service deployment in RSVP TE dynamic tunnels, by the solution of the present invention, the demand that service deployment is carried out in non-head node is disclosure satisfy that, service deployment mechanism is flexibly, conveniently；And it is possible to the access type tunnel and remote signaling type tunnel by the way of Tunnel Identifier section partition, it is ensured that both are just completely independent from configuration, it is to avoid two kinds of tunnels are in management and operational interfere with each other.
Description
Technical field
The present invention relates to (RSVP-TE, the Resource ReSerVation of the RSVP based on Traffic Engineering extensions
Protocol-Traffic Engineering) dynamic tunnel (Tunnel) technology, more particularly to a kind of RSVP-TE dynamic tunnels
The method and apparatus of middle service deployment.
Background technology
In conventional RSVP-TE dynamic tunnels, the head node generally all only in tunnel has associated tunnel entity can be with
Carry out business configuration, and tunnel intermediate node and tail node and in the absence of the tunnel entity of business configuration can be carried out.
On these non-head nodes, some condition of living organism blocks by RSVP (RSVP) signaling institute dynamic generation are only existed, such as
Path state block (PSB, Path Sate Block), reservation state block (RSB, Reservation State Block) etc..By
In this feature, many business of RSVP-TE dynamic tunnels can only all be confined to head node and be configured.
But, it presently, there are some business demands：The business is not only required in head node and disposed, but also requires
Non- head node is disposed.So, have led to that only the industry can not be met in the mode of head node configuration service in the prior art
Business demand.
The business demand for carrying out service deployment in non-head node substantially has two categories below：
(1) some detection business based on RSVP-TE dynamic tunnels, such as transmission architecture operation management maintainance (TP-OAM,
Transport Profile Operation, Administration and Maintenance) etc., these business not only will
Ask the head node deployment in tunnel, it is also desirable to disposed on the centre in tunnel and tail node.So, in the non-head node in tunnel
During the business such as upper deployment TP-OAM, it is desirable to have corresponding tunnel entity is configured.
(2) for the signaling bidirectional tunnel (the dynamic bidirectional tunnel of path fashion altogether) of RSVP-TE dynamic tunnels, it may require that
Flow can also be imported in tail node, the head node of forward direction is forwarded the traffic to along reverse forwarding relation.Now, in periproct
In order to import reverse flow on point, also may require that RSVP-TE dynamic tunnels has corresponding tunnel entity to be configured for node.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of method of service deployment in RSVP-TE dynamic tunnels
And device, the demand that service deployment is carried out in non-head node is met, service deployment mechanism is flexibly, conveniently.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The method of service deployment in a kind of RSVP-TE dynamic tunnels that the present invention is provided, this method includes：
The access type tunnel associated with remote signaling type tunnel is configured in non-head node；Carried out in the access type tunnel
Business configuration.
In such scheme, the access type tunnel associated with remote signaling type tunnel in the configuration of non-head node is：
Tunnel entity is created in non-head node, by key assignments interrelational form by the tunnel entity and remote signaling type tunnel
Associated, the tunnel entity is access type tunnel.
It is described by key assignments interrelational form that the tunnel entity is associated with remote signaling type tunnel in such scheme
For：
Under the configuration mode of the tunnel entity, using the information for representing remote signaling type tunnel, by the tunnel
Entity is associated with remote signaling type tunnel.
In such scheme, the information for representing remote signaling type tunnel is to include entrance tunnels mark (Ingress
Tunnel Id), entrance mark (Ingress id), outlet mark (Egress id) triple；Wherein, the entrance tunnels
The key assignments of mark is remote signaling type Tunnel Identifier；The key assignments of the entrance mark identifies for the entrance in remote signaling type tunnel；
It is described to export the outlet mark for being designated remote signaling type tunnel.
It is described to create tunnel entity in non-head node in such scheme, by key assignments interrelational form by the tunnel entity
The operation associated with remote signaling type tunnel, is realized by human configuration or automatic generation.
In such scheme, the automatic generation is：When non-head node does not have access type tunnel, the non-head node
A local Tunnel Identifier resource not being configured such that is voluntarily distributed as the access type tunnel virtually generated, is virtually being generated
Access type tunnel configuration mode under, by key assignments interrelational form by the access type tunnel virtually generated and remote signaling type tunnel
Road is associated.
In such scheme, the Tunnel Identifier in the access type tunnel is chosen according to resource dividing strategy, the resource dividing
Strategy includes two ways：Zoning mode and the Tunnel Identifier zoning mode of extension inside 16 Tunnel Identifiers.
The device of service deployment in a kind of RSVP-TE dynamic tunnels that the present invention is provided, the device is located at non-head node, bag
Include：Access type tunnel configuration module and business configuration module；Wherein,
Access type tunnel configuration module, for configuring the access type tunnel associated with remote signaling type tunnel；
Business configuration module, for carrying out business configuration in the access type tunnel.
In such scheme, the access type tunnel configuration module, specifically for creating tunnel entity, passes through key assignments affiliated party
Formula is associated with remote signaling type tunnel by the tunnel entity, and the tunnel entity is access type tunnel.
In such scheme, the access type tunnel configuration module is further used for when itself not having access type tunnel, from
The local Tunnel Identifier resource not being configured such that of row distribution one is as the access type tunnel virtually generated, what is virtually generated
Under the configuration mode in access type tunnel, by key assignments interrelational form by the access type tunnel virtually generated and remote signaling type tunnel
It is associated.
The invention provides a kind of method and apparatus of service deployment in RSVP-TE dynamic tunnels, in the configuration of non-head node
The access type tunnel associated with remote signaling type tunnel；Business configuration is carried out in the access type tunnel；It so, it is possible to meet
The demand of service deployment is carried out in non-head node, service deployment mechanism is flexibly, conveniently；And it is possible to the access type tunnel
With remote signaling type tunnel by the way of Tunnel Identifier section partition, it is ensured that both are just completely independent from configuration, it is to avoid
Two kinds of tunnels are in management and operational interfere with each other.
Brief description of the drawings
Fig. 1 realizes the schematic flow sheet of a kind of method of service deployment in RSVP-TE dynamic tunnels for the present invention；
Fig. 2 configures the schematic diagram of a scenario in access type tunnel for the present invention in non-head node；
Fig. 3 under scene shown in Fig. 2, realizes the flow of the method for service deployment in RSVP-TE dynamic tunnels to be of the invention
Schematic diagram.
Embodiment
In order to realize the local tunnel management entity in the middle of tunnel and in tail node, access type tunnel and signaling are introduced
The concept in type tunnel.
Signaling-type tunnel, is exactly tunnel entity of the existing RSVP-TE dynamic tunnels on head node.Signaling-type tunnel is present
Major significance be in order to trigger RSVP-TE dynamic tunnels signaling create, and deployment some business based on whole piece tunnel,
Such as dispose quick traffic engineering (TE-FRR), bandwidth for rebuilding route etc..
Access type tunnel, is that related industry is disposed on the centre of RSVP-TE dynamic tunnels and tail node in order to meet
The tunnel entity set up the need for business.Access type tunnel will not trigger the establishment of signaling again in itself, be served only for some and centre
And the related service deployment of tail node, such as TP-OAM detections, flow importing etc..
In the present invention, the centre and tail node are also referred to as non-head node.
The present invention basic thought be：The access type tunnel associated with remote signaling type tunnel is configured in non-head node；
Business configuration is carried out in the access type tunnel.
Below by drawings and the specific embodiments, the present invention is described in further detail.
The method that the present invention realizes service deployment in a kind of RSVP-TE dynamic tunnels, as shown in figure 1, this method include with
Under several steps：
Step 101：The access type tunnel associated with remote signaling type tunnel is configured in non-head node；
Specifically, in RSVP-TE dynamic tunnels, tunnel entity is created in non-head node, by key assignments interrelational form by institute
State tunnel entity associated with remote signaling type tunnel, the tunnel entity is access type tunnel；The remote signaling type tunnel
The generally tunnel entity of head node；
It is described by key assignments interrelational form that the tunnel entity is associated with remote signaling type tunnel, be usually：Institute
Under the configuration mode for stating tunnel entity, use can represent the information in remote signaling type tunnel, by the tunnel entity and far
Signaling-type tunnel is held to be associated；
As shown in Fig. 2 one has been established on head node R1 flows through the signaling-type tunnel that R1, R2, R3 amount to three nodes
Tunnel 1, wherein, Ingress id are that router (Router) 1, Egress id are Router3.When needs are in intermediate node
When disposing TP-OAM business on R2, tunnel entity Tunnel 2 is created in node R 2, under Tunnel 2 configuration mode, is made
It is with remote signaling type tunnel Tunnel 1 information can be represented, Tunnel 2 is associated with the Tunnel 1 of node R 1；Institute
Tunnel entity Tunnel 2 is stated for access type tunnel；The information for representing remote signaling type tunnel Tunnel 1 can be as follows
3 tuples：Entrance tunnels mark (Ingress Tunnel Id), Ingress id, Egress id；Wherein, the entrance tunnels
The key assignments of mark is remote signaling type Tunnel Identifier；The key assignments of the entrance mark identifies for the entrance in remote signaling type tunnel；
It is described to export the outlet mark for being designated remote signaling type tunnel；I.e.：
Ingress Tunnel Id key assignments is Tunnel 1；
Ingress id key assignments is Router 1；
Egress id key assignments is Router 3；
The information for representing remote signaling type tunnel Tunnel 1 is not limited to the form of above-mentioned 3 tuple, as long as can be with table
Show remote signaling type tunnel Tunnel 1.
It is associated with remote signaling type tunnel by access type tunnel, can be by access type tunnel and remote signaling type tunnel
Connect.RSVP-TE dynamic tunnels can be by the forwarding information in access type tunnel, such as Tunnel Identifier (Tunnel id), mark
Remember switching path mark (Lsp id) and routing direction etc., be issued to Forwarding plane, the business such as such TP-OAM can basis
Tunnel id carry out forwarding inquiries, inquire the forwarding entry in specific remote signaling type tunnel.
In this step, it is described non-head node create tunnel entity, by key assignments interrelational form by the tunnel entity with
The associated operation in remote signaling type tunnel can be realized by human configuration or automatic generation；Wherein, it is described manually to match somebody with somebody
Put including：By configuration order, under the configuration mode of the tunnel entity, use can represent the letter in remote signaling type tunnel
Breath, the tunnel entity is associated with the remote signaling type tunnel；
The automatic generation includes：
A tunnel entity mode) is automatically generated：
It is described automatically generate tunnel entity mode for non-head node when itself being configured without access type tunnel, automatically generate
Access type tunnel.But veritably to automatically generate a local access type tunnel, and can enter associative mode configuration service,
Specific tunnel can also be shown, it is desirable to higher, difficulty is also larger, under this mode, it is desirable to which each RSVP-TE dynamic tunnels exist
Non- head node sets up access type tunnel, in addition it is also necessary to and the business disposed is interacted, execution efficiency is relatively large with expense, real
Existing mechanism is also more complicated, therefore, does not introduce and recommends in the present invention.
B) virtual channel entity mode
The virtual channel entity mode realizes that difficulty is relatively low, it is desirable to also relatively easy.In this manner, and
An access type tunnel entity need not be really automatically generated, is only merely to occupy a local Tunnel id resource, is used for
The normal of forwarding surface is issued.
Under the virtual channel entity mode, when RSVP-TE signaling messages (RESV messages) reach one without access type
During the non-head node in tunnel, the non-head node voluntarily distributes a local Tunnel id resource not being configured such that, and
Using the Tunnel id resources as the access type tunnel virtually generated, the access type tunnel virtually generated is designated
Tunnel id, under the configuration mode in the access type tunnel virtually generated, by key assignments interrelational form by the access virtually generated
Type tunnel is associated with remote signaling type tunnel.
Further, when the RSVP-TE dynamic tunnels for flowing through the non-head node are deleted, in addition it is also necessary to by the void of distribution
Intend the access type tunnel Tunnel id resources release of generation.
Such as the node R 3 in Fig. 2, R3 it is upper may the temporary transient not service deployment demand of correlation, but in order to allow RSVP-TE
Dynamic tunnel can also normally set up tunnel and in forwarding surface formation forwarding relation on R3, when RESV messages reach R3,
R3 voluntarily distributes a local Tunnel x resource not being configured such that as the access type tunnel virtually generated, the virtual life
Into access type tunnel be designated Tunnel x, under the access type tunnel Tunnel x virtually generated the configuration mode, lead to
Cross key assignments interrelational form the access type tunnel Tunnel x virtually generated is associated with remote signaling type tunnel Tunnel 1,
I.e.：Using remote signaling type tunnel Tunnel 1 information can be represented, by the access type tunnel Tunnel x virtually generated with
The Tunnel 1 of node R 1 is associated；
In this step, in order to effectively realize access type tunnel and signaling-type tunnel two ways, it is ensured that both tunnels
Between do not interfere with each other, the Tunnel id in the access type tunnel choose according to resource dividing strategy.
The resource dividing strategy is divided into two ways：
1) zoning mode inside 16 Tunnel id：
It is well known that RSVP-TE Tunnel id original definitions are 16, so its significant number section be from 1~
65535.But in fact, dynamic and static tunnel is in the application scenarios of Practical Project, being will not be by 65535 Tunnel id resource
Use completely.Suitable idling-resource is still there is in these numbers, his way is may be used as.The manner be exactly
In the range of 65535 existing number segment, mark a part of independent, continuous section and be dedicated for access type tunnel and use, it is other
Part is still left signaling-type tunnel for and used.
The advantage of this mode is, realizes that cost is smaller, for each related fields beyond RSVP-TE dynamic tunnels
Requirement is not extended, for being forwarded especially for bottom, this zoning strategy can not be perceived.
This mode the disadvantage is that, access type tunnel is still occupied after all originally can be used for signaling-type tunnel
Tunnel id resources.Equipment performance and outfield deployment request are improved afterwards, it is necessary to support 65535 signaling-type tunnels of full configuration
In the case of road, this mode can not just meet and require that.
2) the Tunnel id zoning modes of extension
The manner is that the Tunnel id in access type tunnel are expanded into integer (integers of such as 32) more than 16,
Different from 16 integers in signaling-type tunnel.In this manner it is possible to which 65535 Tunnel id resources in signaling-type tunnel are complete
Leave signaling-type tunnel for, the tunnel capacity in signaling-type tunnel is not influenceed.And for access type tunnel, distribution 65536 and its more than
Tunnel id resources.
The advantage of this mode is that autgmentability is relatively good, once 65535 signaling-type tunnels are supported later
RSVP-TE dynamic tunnels, this mode is almost unique feasible solution.
This mode the disadvantage is that, realize that cost is larger, will be extended for each related fields, and also need
Extend Tunnel id related RFC standards etc..
Step 102：Business configuration is carried out in the access type tunnel；
Specifically, carried out in the configuration access type tunnel associated with remote signaling type tunnel the configuration of TP-OAM detections,
Or signaling bidirectional tunnel carries out importing configuration of flow etc. in tail node.
In order to realize the above method, the present invention also provides a kind of device of service deployment in RSVP-TE dynamic tunnels, the dress
Setting in non-head node, including：Access type tunnel configuration module and business configuration module；Wherein,
Access type tunnel configuration module, for configuring the access type tunnel associated with remote signaling type tunnel；
Business configuration module, for carrying out business configuration in the access type tunnel；
The access type tunnel configuration module, specifically for creating tunnel entity, by key assignments interrelational form by the tunnel
Road entity is associated with remote signaling type tunnel, and the tunnel entity is access type tunnel；
It is described by key assignments interrelational form that the tunnel entity is associated with remote signaling type tunnel, be usually：Institute
Under the configuration mode for stating tunnel entity, use can represent the information in remote signaling type tunnel, by the tunnel entity and far
Signaling-type tunnel is held to be associated；
The access type tunnel configuration module, is further used for the configuration order by being manually entered, and configuration is believed with distal end
The access type tunnel for making type tunnel associated；
The access type tunnel configuration module, is further used for when itself not having access type tunnel, voluntarily distributes one
The local Tunnel id resources not being configured such that are as the access type tunnel virtually generated, the access type tunnel virtually generated
Road is designated Tunnel id, under the configuration mode in the access type tunnel virtually generated, will be virtual by key assignments interrelational form
The access type tunnel of generation is associated with remote signaling type tunnel.
Describe the principle of the present invention in detail below by specific embodiment.
This example on head node R1 as shown in Fig. 2 set up a signaling-type tunnel Tunnel 1 to R3, path is
R1---R2---R3.Require to dispose the business such as TP-OAM detections on intermediate node R2 now, for the temporary no requirement (NR)s of tail node R3.
The method that the present embodiment realizes service deployment in RSVP-TE dynamic tunnels, as shown in figure 3, this method includes following steps：
Step 201：On head node R1, configuration signal type tunnel Tunnel 1, destination is R3, triggering Tunnel's 1
Road construction, transmitting path (PATH) message, proceeding through R1, R2, R3；
In this step, when receiving Tunnel 1 RESV messages on R1 nodes, it is necessary to described to forwarding under forwarding surface
RESV messages, now R1 nodes exactly signaling-type tunnel Tunnel 1 head node.On head node, it is not necessary to produce access again
Type tunnel, because Tunnel 1 can inherently play a part of access type tunnel, can dispose the related services such as TP-OAM.
Step 202：On intermediate node R2, the human configuration access type tunnel associated with remote signaling type tunnel；
In this step, on intermediate node R2, access type tunnel Tunnel 2, the Tunnel 2 in access type tunnel are created
Under configuration mode, by the configuration order being manually entered, the triple for representing remote signaling type tunnel Tunnel 1 is used
(Ingress tunnel id：Tunnel 1, Ingress id：Router 1, Egress id：Router 3), by access type
Tunnel Tunnel 2 is associated with remote signaling type tunnel Tunnel 1.
Step 203：Node R 3 automatically configures the access type tunnel associated with remote signaling type tunnel；
Specifically, when receiving Tunnel 1 RESV messages in node R 3, it is necessary to forward the RESV under forwarding surface
Message, now R3 nodes distribute one automatically due to being previously not configured access type tunnel, R3 and not yet used at present by this node
Tunnel x resources, and using the Tunnel x resources as the access type tunnel virtually generated, what this was virtually generated connects
Enter type tunnel is designated Tunnel x, under the access type tunnel Tunnel x virtually generated configuration mode, passes through key assignments
Interrelational form is associated with remote signaling type tunnel Tunnel 1 by the access type tunnel Tunnel x virtually generated.So,
It can utilize under the access type tunnel Tunnel x virtually generated and forward the RESV messages, for forwarding surface, its effect
Access type tunnel Tunnel x are consistent with manual configuration.
Step 204：Business configuration is carried out in the access type tunnel of intermediate node R2 and/or node R 3；
Specifically, carrying out configuration or the signaling of TP-OAM detections in the access type tunnel of intermediate node R2 and/or node R 3
Bidirectional tunnel carries out importing configuration of flow etc. in tail node.
By such scheme, using the business configuration for configuring the non-head node of access type tunnel progress, it disclosure satisfy that in non-head
Node carries out the demand of service deployment, and service deployment mechanism is flexibly, conveniently；And it is possible to the access type tunnel and distal end
Signaling-type tunnel is by the way of Tunnel Identifier section partition, it is ensured that both are just completely independent from configuration, it is to avoid two kinds of tunnels
Road is in management and operational interferes with each other.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (7)
1. a kind of method of service deployment in RSVP (RSVP-TE) dynamic tunnel based on Traffic Engineering extensions, its
It is characterised by, this method includes：
Tunnel entity is created in non-head node, and under the configuration mode of the tunnel entity, uses expression remote signaling type tunnel
The information in road, the tunnel entity is associated with remote signaling type tunnel；
The tunnel entity is access type tunnel；Business configuration is carried out in the access type tunnel.
2. according to the method described in claim 1, it is characterised in that it is described represent remote signaling type tunnel information be include into
Mouth Tunnel Identifier (Ingress Tunnel Id), entrance mark (Ingress id), the ternary of outlet mark (Egress id)
Group；Wherein, the key assignments of the entrance tunnels mark is remote signaling type Tunnel Identifier；The key assignments of the entrance mark is believed for distal end
The entrance in type tunnel is made to identify；It is described to export the outlet mark for being designated remote signaling type tunnel.
3. according to the method described in claim 1, it is characterised in that described to create tunnel entity in non-head node, pass through key assignments
The tunnel entity operation associated with remote signaling type tunnel is passed through human configuration or automatic generation by interrelational form
Realize.
4. method according to claim 3, it is characterised in that the automatic generation is：When non-head node does not connect
When entering type tunnel, the non-head node voluntarily distributes a local Tunnel Identifier resource not being configured such that as virtual generation
Access type tunnel, under the configuration mode in the access type tunnel virtually generated, will virtually be generated by key assignments interrelational form
Access type tunnel is associated with remote signaling type tunnel.
5. according to the method described in claim 1, it is characterised in that the Tunnel Identifier in the access type tunnel is according to resource dividing
Strategy is chosen, and the resource dividing strategy includes two ways：Zoning mode and the tunnel mark of extension inside 16 Tunnel Identifiers
Know zoning mode.
6. the device of service deployment in a kind of RSVP-TE dynamic tunnels, it is characterised in that the device is located at non-head node, including：
Access type tunnel configuration module and business configuration module；Wherein,
Access type tunnel configuration module, for creating tunnel entity, and under the configuration mode of the tunnel entity, uses expression
The information in remote signaling type tunnel, the tunnel entity is associated with remote signaling type tunnel；The tunnel entity is access
Type tunnel；
Business configuration module, for carrying out business configuration in the access type tunnel.
7. device according to claim 6, it is characterised in that the access type tunnel configuration module, is further used for working as
When itself not having access type tunnel, local Tunnel Identifier resource not being configured such that is voluntarily distributed as virtually generating
Access type tunnel, under the configuration mode in the access type tunnel virtually generated, by key assignments interrelational form by connecing for virtually generating
Enter type tunnel associated with remote signaling type tunnel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110172778.7A CN102231704B (en) | 2011-06-24 | 2011-06-24 | The method and apparatus of service deployment in a kind of RSVP TE dynamic tunnels |
| PCT/CN2012/075259 WO2012174955A1 (en) | 2011-06-24 | 2012-05-09 | Method and device for service deployment in rsvp-te dynamic tunnel |
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| CN201110172778.7A CN102231704B (en) | 2011-06-24 | 2011-06-24 | The method and apparatus of service deployment in a kind of RSVP TE dynamic tunnels |
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| CN102231704B (en) * | 2011-06-24 | 2017-09-19 | 中兴通讯股份有限公司 | The method and apparatus of service deployment in a kind of RSVP TE dynamic tunnels |
| WO2013091173A1 (en) * | 2011-12-20 | 2013-06-27 | 中兴通讯股份有限公司 | Method and device for automatically releasing association between dynamic channel and service layer alarm |
| CN102710505B (en) * | 2012-05-16 | 2015-03-25 | 中兴通讯股份有限公司 | Method and system for deploying tunnel services |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101002437A (en) * | 2004-08-13 | 2007-07-18 | 松下电器产业株式会社 | Method for providing mobility to a mobile host in a network employing point-to-multipoint multi-protocol label switching |
| CN101155178A (en) * | 2006-09-30 | 2008-04-02 | 华为技术有限公司 | Method, device and system for establishing bidirectional LSP in multi-protocol label switching |
| CN101645822A (en) * | 2009-08-18 | 2010-02-10 | 杭州华三通信技术有限公司 | Traffic engineering tunnel building method and system |
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| US20070248091A1 (en) * | 2006-04-24 | 2007-10-25 | Mohamed Khalid | Methods and apparatus for tunnel stitching in a network |
| CN102231704B (en) * | 2011-06-24 | 2017-09-19 | 中兴通讯股份有限公司 | The method and apparatus of service deployment in a kind of RSVP TE dynamic tunnels |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101002437A (en) * | 2004-08-13 | 2007-07-18 | 松下电器产业株式会社 | Method for providing mobility to a mobile host in a network employing point-to-multipoint multi-protocol label switching |
| CN101155178A (en) * | 2006-09-30 | 2008-04-02 | 华为技术有限公司 | Method, device and system for establishing bidirectional LSP in multi-protocol label switching |
| CN101645822A (en) * | 2009-08-18 | 2010-02-10 | 杭州华三通信技术有限公司 | Traffic engineering tunnel building method and system |
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