CN108718252A - A kind of framework for realizing content network transmission - Google Patents
A kind of framework for realizing content network transmission Download PDFInfo
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- CN108718252A CN108718252A CN201810442589.9A CN201810442589A CN108718252A CN 108718252 A CN108718252 A CN 108718252A CN 201810442589 A CN201810442589 A CN 201810442589A CN 108718252 A CN108718252 A CN 108718252A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
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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
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
Abstract
The invention discloses a kind of frameworks for realizing content network transmission, belong to the technical field of communication network.The framework includes the CNA devices or software for being deployed in the CNE of user side and being deployed at each ISP data center and the Internet backbone, the point-to-multipoint CNC links formed between CNE and CNA devices or software, CNE monitors the quality of CNC links by the real time line between CNA devices or software and updates the CNT tables built in it according to line quality monitoring result dynamic, the service request of the overlay transmission of network user sides of CNE and numerous CNA devices or software sharing and the content-data of ISP operators access, it realizes real-time, capacity is big, the data transmission of High Availabitity.
Description
Technical field
The invention discloses a kind of frameworks for realizing content network transmission, belong to the technical field of communication network.
Background technology
Content distributing network（CDN, Content Delivery Network）Basic ideas be to avoid interconnecting as far as possible
The online bottleneck and link for being possible to influence data transmission bauds and stability, make content transmission obtain faster, it is more stable.By
The mode of network edge setting CDN node server is constituted, and CDN system can be in real time according to the company of network flow and each node
It connects, load state and re-direct the request of user to the integrated informations such as the distance of user and response time nearest from user
Service node on, the purpose is to make user that can obtain required content nearby, alleviate the crowded situation of Internet network, carry
High user accesses the response speed of website.
Existing CDN is to be based on B2C（Business 2 Customer）Business prototype, be by ISP providers
（The ends Business）For its subscriber（The ends Customer）A kind of network optimisation techniques for improving application delivery, cannot achieve real-time
By force, the data transmission of large capacity, High Availabitity solves the problems, such as that non real-time realized by way of disposing and caching at present.
Invention content
The goal of the invention of the present invention is the deficiency for above-mentioned background technology, provides and a kind of realizing what content network transmitted
Framework cooperates with CNA to realize High Availabitity CNC and transmits content network, solves existing CDN and cannot achieve real-time by CNE
By force, the technical issues of capacity is big, data transmission of High Availabitity.
The present invention adopts the following technical scheme that for achieving the above object：
A kind of framework for realizing content network transmission, including：It is deployed in the CNE of user side and is deployed in each ISP data center
With numerous CNA at the Internet backbone, the point-to-multipoint CNC links generated between CNE and CNA arrays, CNE by with CNA
Real time line monitoring CNC links quality and the CNT tables built in it are updated according to line quality monitoring result dynamic, finally by
The content-data that the service request for the overlay transmission of network user sides that CNE and each CNA is constituted and ISP operators provide.
Scheme is advanced optimized as the framework for realizing content network transmission, CNE is monitored by way of wireline inspection
The quality of CNC links, dynamic updates failure CNA information and the built-in CNT tables of CNE, by deleting failure CNA tables in CNT tables
The mode of item refreshes CNT tables.
As the further prioritization scheme for the framework for realizing content network transmission, is detecting CNA failures, implementing event
For phragma from rear, the overlay networks implement N+1 (or N by the CNE of point-to-multipoint topology to multiple CNA arrays:1) superfluous
The content-data that remaining protection is provided with the service request and ISP operators that transmit user side.
As the further prioritization scheme for the framework for realizing content network transmission, CNE also monitors the stream of CNC links in real time
It measures and according to the monitoring result of circuit dynamic update CNT tables, new available CNC links is regenerated between CNE and CNA.
Advanced optimize scheme as the framework for realizing content network transmission, overlay networks by MIMO technology simultaneously
The content-data that the service request of hair transmission user side and ISP operators provide.
As the scheme that advanced optimizes for the framework for realizing content network transmission, CNA can dock government department's requirement
Regulation defers to software or system, and filtration treatment is done to the content that government department forbids.
The present invention uses above-mentioned technical proposal, has the advantages that：
（1）An overlay network is built on existing Internet basic by disposing CNE and CNA, is updated by dynamic
CNT tables in CNE safeguard that the High Availabitity CNC links at the networks overlay, essence are to be based on C2B（Customer 2
Business）Business prototype, by subscriber（C-terminal）It initiates and promotes subscriber side（C-terminal）The network optimization skill of content network quality
Art realizes the network optimization to user side service request, without disposing caching, realizes that real-time, capacity is big, High Availabitity
Data transmission, provide a kind of feasible program to solve the problems, such as that cross operator interconnects；
（2）Dynamic update CNT tables being capable of active isolation failure CNC and according to path monitoring result and institute's bearer network business
The weight of each CNC of adjustment of load, using N+1 (or N:1) mode of redundancy protecting realizes data transmission, realizes the load to business
Equilibrium, content transmission will not be stagnated because of a certain CNC link failures, improved network redundancy ability, realized High Availabitity.
（3）The data at the networks overlay are concurrently transmitted using MIMO technology, fully excavate underlay Internet resources, greatly
Width promotes the network capacity of overlay networks, is greatly improved the capacity and FT of the customized network service of user side（Fault
Tolerance, fault-tolerant ability）, promote user satisfaction.
Description of the drawings
Fig. 1 is present disclosure transmission of network framework.
Fig. 2 is the flow chart of the content of present invention transmission of network.
Specific implementation mode
The technical solution of invention is described in detail below in conjunction with the accompanying drawings.
Network construction disclosed by the invention in user side as shown in Figure 1, dispose CNE respectively（Content Network
Endpoint, content network device or software）, in each ISP（Internet Service Provider, application provider）'s
CNA is disposed at data center and the Internet backbone（Content Network Array, content network array apparatus or software）.
The flow processing link and flow processing process of content network transmission in flow processing frame as shown in Fig. 2, cover content network
The chain of command of transmission is disposed, the design of control plane coordination approach and data surface.Pass through CN（Content Network, content
Network）Surface technology is controlled, forms point-to-multipoint CNC between CNE and CNA（Content Network Chain, content net
Network chain）Chain, which is a kind of overlay networks, and the overlay network carryings are in underlay（Existing physical interconnection
Net network）On, which can be the public internet that each operator provides, and can also be privately owned backbone network.
By disposing a large amount of CNA, the process of content network transmission data is as shown in Fig. 2, large capacity can be realized by MIMO technology
The transmission of data, additionally it is possible to N+1 (or N are realized in CNC chain failures:1) redundancy protecting is protected.
CNA arrays realize content network transmission by disposing a large amount of CNA, by encrypted CNC chains, same
Simultaneous transmission multichannel content network message on underlay networks.This method can be fully effective to underlay Internet resources
Ground utilizes, and the network capacity of overlay networks is substantially improved.This multichannel between CNE and n CNA transmits signal simultaneously
Technology be referred to as MIMO（Multi-input Multi-output, multiple-input and multiple-output）.As shown in Figure 1, n CNC chain structure
The data surface transmitted at MIMO method.Between a plurality of CNC chains, CNE may be implemented by built-in algorithm in being carried
The load balancing of content network business is transmitted using the point-to-multipoint overlay real-time performance service concurrences of MIMO, is greatly improved
The overlay transmit capacities of content network, are also greatly improved the quality and FT of the network service that CNE user sides are obtained
（Fault Tolerance, fault-tolerant ability）Effect.
Meanwhile CNE is persistently obtained by built-in controller software and is monitored and detect, CNE to the quality of CNC chains and bandwidth etc.
The CNT of the failure of data surface is deleted by detection and dynamic（Content Network Table, content network table）Table, in turn
Dynamic update CNT tables, take the initiative quarantine measures to failure CNC chains therein, and the synergistic effect for passing through CNE and CNA generates height
CNC chained lists can be used, and CNE can be automatic（Acquiescence is automatic）Or between manual setting CNE and CNA CNC links weight, realize pair
N+1 (or the N of business:1) redundancy protecting and load balancing are, it can be achieved that high availability and FT.
When CNA is deployed in different carrier networks, at this point, CNE to CNA formation is point-to-multipoint
Overlay networks just cover multiple ISP operators.For CNE user sides, innovating new industry for multi-operator access is realized
Business model, bad defect is serviced to overcome the user network caused by inter-network interconnects problem.
Claims (6)
1. a kind of framework for realizing content network transmission, which is characterized in that including：It is deployed in the CNE of user side and is deployed in
Numerous CNA at each ISP data center and the Internet backbone, the point-to-multipoint CNC links generated between CNE and CNA, CNE
By monitoring the quality of CNC links with the real time line of CNA and updating the CNT built in it according to line quality monitoring result dynamic
What table, the service request for the overlay transmission of network user sides being finally made of CNE and each CNA arrays and ISP operators provided
Content-data.
2. realizing the framework of content network transmission according to claim 1, which is characterized in that the CNE passes through wireline inspection
Mode monitor the quality of CNC links, dynamic updates failure CNA information and the built-in CNT tables of CNE, by deleting in CNT tables
The mode of the corresponding CNT list items of failure CNA refreshes CNT tables.
3. realizing the framework of content network transmission according to claim 2, which is characterized in that detecting CNA failures, it is real
After applying Fault Isolation, the overlay networks implement N+1 or N by CNE to the CNA arrays of point-to-multipoint topology:1 redundancy
The content-data that protection is provided with the service request and ISP operators that transmit user side.
4. realizing the framework of content network transmission according to claim 2, which is characterized in that the CNE also monitors CNC in real time
The flow of link simultaneously updates CNT tables according to the monitoring result of circuit dynamic, after some failure CNA restores available, CNE and CNA
New available CNC links array is regenerated between array.
5. realizing the framework of content network transmission according to claim 1, which is characterized in that the overlay networks pass through
The content-data that MIMO technology concurrently transmits the service request of user side and ISP operators provide.
6. realizing the framework of content network transmission according to claim 1, which is characterized in that the CNA docks government department
It is required that regulation defer to software or system and the content supervised to government department does filtration treatment.
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| CN201810442589.9A CN108718252B (en) | 2018-05-10 | 2018-05-10 | Architecture for realizing content network transmission |
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| CN201810442589.9A CN108718252B (en) | 2018-05-10 | 2018-05-10 | Architecture for realizing content network transmission |
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| CN108718252B CN108718252B (en) | 2021-08-31 |
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