Stateless ipv4 ipv6 interconnection for ds lite and a p
Download
1 / 31

port range interco - PowerPoint PPT Presentation


  • 427 Views
  • Uploaded on

Stateless IPv4-IPv6 Interconnection for DS-lite and A+P Flexible IPv6 Migration Scenarios in the Context of IPv4 Address Shortage I-D.boucadair-behave-ipv6-portrange Stateless IPv4-IPv6 Interconnection in the Context of DS-lite Deployment I-D.boucadair-dslite-interco-v4v6

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'port range interco' - jaden


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Stateless ipv4 ipv6 interconnection for ds lite and a p l.jpg
Stateless IPv4-IPv6 Interconnection for DS-lite and A+P

  • Flexible IPv6 Migration Scenarios in the Context of IPv4 Address Shortage

    • I-D.boucadair-behave-ipv6-portrange

  • Stateless IPv4-IPv6 Interconnection in the Context of DS-lite Deployment

    • I-D.boucadair-dslite-interco-v4v6

  • Softwire WG IETF75 Stockholm

  • Pierre Levis, Mohamed Boucadair

  • pierre.levi[email protected]

  • [email protected]


Ipv6 context l.jpg
IPv6 context

  • ISPs wishing to:

    • Migrate towards an IPv6-only network

    • Offer connectivity to the IPv6

    • Offer connectivity to the IPv4 Internet, saving their public address space

  • We present DS-lite and A+P (using a PRR1) solutions based on encapsulation1 Port Range Router


Ds lite cgn and prr l.jpg

IPv4Internet

DS-lite CGN and PRR

private @IPv4

no @IPv4no NAT


Ds lite cgn and prr4 l.jpg

IPv4Internet

DS-lite CGN and PRR

private @IPv4

no @IPv4no NAT

private @IPv4

public @IPv4 port range (PR)


Ipv4 internet connectivity with ipv6 in access only l.jpg
IPv4 Internet Connectivitywith IPv6 in Access only

IPv4 Internet

ISP

IPv4

IPv6

DS-lite CGNPRR

CN

CPE

  • DS-lite CGN only

  • PRR only

  • DS-lite CGN and PRR

CPE: Customer Premises Equipment

CN: Correspondent Node


Ipv6 internet connectivity l.jpg
IPv6 Internet Connectivity

IPv6 Internet

ISP

IPv6

CN

CPE

CPE: Customer Premises Equipment

CN: Correspondent Node


A voluntary migration towards ipv6 l.jpg
A voluntary migration towards IPv6

IPv4 or IPv6 Internet

ISP

IPv6-Only

CN

CPE

CPE: Customer Premises Equipment

CN: Correspondent Node


Ipv4 internet connectivity with ipv6 in access and core l.jpg
IPv4 Internet Connectivitywith IPv6 in Access and Core

IPv4 Internet

ISP

IPv6

IPv4

IPv6

DS-lite CGNPRR

CN

CPE


Ipv4 internet connectivity with ipv6 in access and core9 l.jpg
IPv4 Internet Connectivitywith IPv6 in Access and Core

IPv4 Internet

ISP

IPv6

IPv4

IPv6

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

ICXF: Interconnection Function


From cpe to cn l.jpg
From CPE to CN

IPv4 Internet

ISP

IPv6

IPv4

IPv6

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE


From cpe to cn11 l.jpg
From CPE to CN

  • IPv6 Conf:

  • IPv6Pref (e.g. /56)

  • @IPv6 of DS-lite CGN / PRR

IPv4 Internet

ISP

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE


From cpe to cn12 l.jpg
From CPE to CN

  • IPv6 Conf:

  • IPv6Pref (e.g. /56)

  • @IPv6 of DS-lite CGN / PRR

IPv4 Internet

ISP

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Encap


From cpe to cn13 l.jpg
From CPE to CN

  • IPv6 Conf:

  • IPv6Pref (e.g. /56)

  • @IPv6 of DS-lite CGN / PRR

IPv4 Internet

ISP

IPv61

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Encap

1IPv4 in [email protected] src = @IPv6 in [email protected] dst = @IPv6 of DS-lite CGN / PRR


From cpe to cn14 l.jpg
From CPE to CN

  • IPv6 Conf:

  • IPv6Pref (e.g. /56)

  • @IPv6 of DS-lite CGN / PRR

IPv4 Internet

ISP

IPv6

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Encap

DS-lite CGN: NAT Translation(includes Decap)

PRR: Decap


From cpe to cn15 l.jpg
From CPE to CN

  • IPv6 Conf:

  • IPv6Pref (e.g. /56)

  • @IPv6 of DS-lite CGN / PRR

  • IPv6 IGP/i-BGP Advert:

  • WKIPv6+IPv4external

IPv4 Internet

ISP

IPv6

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Encap

DS-lite CGN: NAT Translation(includes Decap)

PRR: Decap

WKIPv6: IPv6 Prefix either IANA or ISP


From cpe to cn16 l.jpg
From CPE to CN

  • IPv6 Conf:

  • IPv6Pref (e.g. /56)

  • @IPv6 of DS-lite CGN / PRR

  • IPv6 IGP/i-BGP Advert:

  • WKIPv6+IPv4external

IPv4 Internet

ISP

IPv6

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Encap

Stateless Encap

DS-lite CGN: NAT Translation(includes Decap)

PRR: Decap


From cpe to cn17 l.jpg
From CPE to CN

  • IPv6 Conf:

  • IPv6Pref (e.g. /56)

  • @IPv6 of DS-lite CGN / PRR

  • IPv6 IGP/i-BGP Advert:

  • WKIPv6+IPv4external

IPv4 Internet

ISP

IPv6

IPv6

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Encap

Stateless Encap

DS-lite CGN: NAT Translation(includes Decap)

PRR: Decap


From cpe to cn18 l.jpg
From CPE to CN

  • IPv6 Conf:

  • IPv6Pref (e.g. /56)

  • @IPv6 of DS-lite CGN / PRR

  • IPv6 IGP/i-BGP Advert:

  • WKIPv6+IPv4external

IPv4 Internet

ISP

IPv6

IPv4

IPv6

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Encap

Stateless Encap

Decap

DS-lite CGN: NAT Translation(includes Decap)

PRR: Decap


From cn to cpe l.jpg
From CN to CPE

IPv4 Internet

ISP

IPv6

IPv4

IPv6

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE


From cn to cpe20 l.jpg
From CN to CPE

  • IPv4 BGP Advert:

  • IPv4internal

IPv4 Internet

ISP

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE


From cn to cpe21 l.jpg
From CN to CPE

  • IPv4 BGP Advert:

  • IPv4internal

IPv4 Internet

ISP

IPv4

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE


From cn to cpe22 l.jpg
From CN to CPE

  • IPv6 IGP Advert:

  • WKIPv6+IPv4(DS-lite/PRR pool)

  • IPv4 BGP Advert:

  • IPv4internal

IPv4 Internet

ISP

IPv4

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE


From cn to cpe23 l.jpg
From CN to CPE

  • IPv6 IGP Advert:

  • WKIPv6+IPv4(DS-lite/PRR pool)

  • IPv4 BGP Advert:

  • IPv4internal

IPv4 Internet

ISP

IPv4

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Stateless Encap


From cn to cpe24 l.jpg
From CN to CPE

  • IPv6 IGP Advert:

  • WKIPv6+IPv4(DS-lite/PRR pool)

  • IPv4 BGP Advert:

  • IPv4internal

IPv4 Internet

ISP

IPv6

IPv4

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Stateless Encap


From cn to cpe25 l.jpg
From CN to CPE

  • IPv6 IGP Advert:

  • WKIPv6+IPv4(DS-lite/PRR pool)

  • IPv4 BGP Advert:

  • IPv4internal

IPv4 Internet

ISP

IPv6

IPv4

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Decap

Stateless Encap


From cn to cpe26 l.jpg
From CN to CPE

  • IPv6 IGP Advert:

  • WKIPv6+IPv4(DS-lite/PRR pool)

  • IPv4 BGP Advert:

  • IPv4internal

IPv4 Internet

ISP

IPv6

IPv4

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Decap

Stateless Encap

DS-lite CGN: Reverse NAT Translation (includes @IPv6 of CPE)

PRR: Binding Table PR  @IPv6 of CPE and Encap


From cn to cpe27 l.jpg
From CN to CPE

  • IPv6 IGP Advert:

  • WKIPv6+IPv4(DS-lite/PRR pool)

  • IPv4 BGP Advert:

  • IPv4internal

IPv4 Internet

ISP

IPv6

IPv4

IPv6

IPv6-IPv4ICXF

DS-lite CGNPRR

CN

CPE

Decap

Stateless Encap

DS-lite CGN: Reverse NAT Translation (includes @IPv6 of CPE)

PRR: Binding Table PR  @IPv6 of CPE and Encap


Two cpes same isp l.jpg
Two CPEs same ISP

ISP

IPv6

IPv6

DS-lite CGN1PRR1

CPE1

IPv6

IPv6

DS-lite CGN2PRR2

CPE2


Conclusion l.jpg
Conclusion

  • Stateless encap/decap functions at interconnection nodes

  • IPv6 Routing does not take into account Port Range (can be dynamic)

  • Provide flexibility for DS-lite vs. Port Range selection:

    • Vendors can implement both DS-lite CGN and a-PRR functions in the same device

    • Same IPv6 requirements on the customer devices for both DS-lite and IPv6 Port Range

      • IPv6 prefix

      • IPv6 address to reach PRR/DS-lite CGN

    • Allow flow-based differentiated treatments in a combined DS-lite/PRR box

  • IPv6-only ISP network


Questions to the wg l.jpg
Questions to the WG

  • I-D.boucadair-dslite-interco-v4v6 "Stateless IPv4-IPv6 Interconnection in the Context of DS-lite Deployment" as a Softwire WG document?

  • Softwire charter revisited to host A+P work?



ad