CN104994028A - Bandwidth saving control device based on NAT address translator - Google Patents
Bandwidth saving control device based on NAT address translator Download PDFInfo
- Publication number
- CN104994028A CN104994028A CN201510415434.2A CN201510415434A CN104994028A CN 104994028 A CN104994028 A CN 104994028A CN 201510415434 A CN201510415434 A CN 201510415434A CN 104994028 A CN104994028 A CN 104994028A
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- China
- Prior art keywords
- bgp
- address translator
- nat address
- control device
- bandwidth
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Classifications
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
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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 relates to a bandwidth saving control device based on an NAT address translator. The bandwidth saving control device comprises a bgp special line access end, a bgp access gateway, the NAT address translator, a common bandwidth and bgp peer equipment, wherein the bgp special line access end is connected with the NAT address translator through the bgp access gateway, the bgp access gateway is connected with the bgp peer equipment, and the NAT address translator is connected with the common bandwidth. Compared with the prior art, the bandwidth saving control device based on the NAT address translator has the advantages of effectively reducing cost, increasing communication quality, being small in scope of influence and the like.
Description
Technical field
The present invention relates to a kind of bandwidth conservation control device, especially relate to a kind of bandwidth conservation control device based on NAT address translator.
Background technology
For second-level runner, from the one-level operator such as telecommunications or UNICOM buying BGP bandwidth sum IP address bulletin, price is very expensive, and the common online demand of a lot of user does not need BGP bandwidth, therefore user side initiatively accessed the flow of outer net by this device and IP separates, convert common wide access the Internet to by NAT conversion equipment, thus reach the object of saving expensive BGP bandwidth, for enterprise has saved very large BGP bandwidth cost expense.
Although existing cdn caching mechanism also can save flow, owing to will dispose cache node in the whole nation, drop into huge, operation cost is high, be not suitable for the downlink traffic model approach of initiatively access, and this technology can save enterprise's downlink bandwidth flow especially.
Summary of the invention
Object of the present invention be exactly provide a kind of reduce cost to overcome defect that above-mentioned prior art exists, improve communication quality, the bandwidth conservation control device based on NAT address translator that coverage is little.
Object of the present invention can be achieved through the following technical solutions:
A kind of bandwidth conservation control device based on NAT address translator, it is characterized in that, comprise bgp access via telephone line end, bgp IAD, NAT address translator, common bandwidth sum bgp peer device, described bgp access via telephone line end is connected with NAT address translator by bgp IAD, described bgp IAD is connected with bgp peer device, and described NAT address translator is connected with common bandwidth.
Described bgp access via telephone line end is provided with multiple, is connected respectively with bgp IAD.
Described common bandwidth is provided with multiple, is connected respectively with NAT address translator.
Described bgp IAD is connected with bgp peer device by bgp link.
Described bgp IAD is analyzed source data packet, web is accessed outer net flow and is separated by policybased routing, is input to NAT address translator.
Described NAT address translator is that ip access in broadband is interconnected according to source ip address transition.
Compared with prior art, the present invention has the following advantages:
1, reducing cost, by arranging NAT address translator, thus greatly saving BGP bandwidth resources;
2, coverage is little, and BGP bandwidth resources can be converted on common wide by NAT address converting device, and does not affect the proper network access of user.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, a kind of bandwidth conservation control device based on NAT address translator, comprise bgp access via telephone line end 1, bgp IAD 2, NAT address translator 3, common bandwidth 4 and bgp peer device 5, described bgp access via telephone line end 1 is connected with NAT address translator 3 by bgp IAD 2, described bgp IAD 2 is connected with bgp peer device 5, and described NAT address translator 3 is connected with common bandwidth 4.
Described bgp access via telephone line end 1 is provided with multiple, is connected respectively with bgp IAD 2.Described common bandwidth 4 is provided with multiple, is connected respectively with NAT address translator 3.Described bgp IAD 2 is connected with bgp peer device by bgp link.
Described bgp IAD is analyzed source data packet, web is accessed outer net flow and is separated by policybased routing, is input to NAT address translator.Described NAT address translator is that ip access in broadband is interconnected according to source ip address transition.
At bgp IAD place, user is separated by the service port of extranet access and IP, and the IP that access is come in is identified and got rid of, output to original bgp peer-to-peer exit by policybased routing, access the Internet.
Each node code is as follows:
1, BGP access via telephone line gateway configuration
2, the configuration code of intermediate conversion equipment:
3, the configuration of Nat address converting device
The nat configuration of Source ip
acl name nat-pool 3000
rule 5 permit ip source 20.136.217.172 0
rule 10 permit ip source 11.74.132.226 0
rule 15 permit ip source 11.74.132.222 0
rule 20 permit ip source 20.136.217.164 0
rule 25 permit ip source 20.136.216.82 0
rule 30 permit ip source 20.136.215.250 0
rule 35 permit ip source 20.136.220.20 0
rule 40 permit ip source 21.5.146.130 0
rule 45 permit ip source 11.74.129.69 0
rule 50 permit ip source 11.74.132.210 0
rule 55 permit ip source 20.136.223.102 0
rule 60 permit ip source 20.136.218.42 0
Under this ip is applied to interface
interface GigabitEthernet0/0/1
description"to-CT-1"
ip address 10.10.10.1 255.255.255.252
nat outbound 3000
Return the routing configuration of user:
ip route-static 11.74.128.0 255.255.128.0 202.136.218.241
ip route-static 11.15.136.0 255.255.248.0 202.136.218.241
ip route-static 22.136.208.0 255.255.240.0 202.136.218.241
ip route-static 20.176.168.0 255.255.248.0 202.136.218.241
ip route-static 21.5.144.0 255.255.240.0 202.136.218.241
Material is thus formed a route test circulating device, the application of web flow and ftp etc. initiatively being accessed outside is separated on broadband, and other crucial application, the application of initiatively accessing as vpn etc. still passes through original bgp link-access the Internet.
Claims (6)
1. the bandwidth conservation control device based on NAT address translator, it is characterized in that, comprise bgp access via telephone line end, bgp IAD, NAT address translator, common bandwidth sum bgp peer device, described bgp access via telephone line end is connected with NAT address translator by bgp IAD, described bgp IAD is connected with bgp peer device, and described NAT address translator is connected with common bandwidth.
2. a kind of bandwidth conservation control device based on NAT address translator according to claim 1, is characterized in that, described bgp access via telephone line end is provided with multiple, is connected respectively with bgp IAD.
3. a kind of bandwidth conservation control device based on NAT address translator according to claim 1, it is characterized in that, described common bandwidth is provided with multiple, is connected respectively with NAT address translator.
4. a kind of bandwidth conservation control device based on NAT address translator according to claim 1, is characterized in that, described bgp IAD is connected with bgp peer device by bgp link.
5. a kind of bandwidth conservation control device based on NAT address translator according to claim 1, it is characterized in that, described bgp IAD is analyzed source data packet, web is accessed outer net flow and is separated by policybased routing, is input to NAT address translator.
6. a kind of bandwidth conservation control device based on NAT address translator according to claim 5, is characterized in that, described NAT address translator is that ip access in broadband is interconnected according to source ip address transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415434.2A CN104994028B (en) | 2015-07-15 | 2015-07-15 | Bandwidth conservation control device based on NAT address translator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415434.2A CN104994028B (en) | 2015-07-15 | 2015-07-15 | Bandwidth conservation control device based on NAT address translator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104994028A true CN104994028A (en) | 2015-10-21 |
| CN104994028B CN104994028B (en) | 2019-04-26 |
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| CN104994028B (en) | 2019-04-26 |
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