draft dhody pce bn discovery isis 00 txt n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
BN Discovery via ISIS PowerPoint Presentation
Download Presentation
BN Discovery via ISIS

Loading in 2 Seconds...

play fullscreen
1 / 8

BN Discovery via ISIS - PowerPoint PPT Presentation


  • 91 Views
  • Uploaded on

draft-dhody-pce-bn-discovery-isis-00.txt. BN Discovery via ISIS. Dhruv Dhody ( dhruvd@huawei.com ) Udayasree Palle ( udayasreepalle@huawei.com ). Motivation for this work. Discover Boundary Node (BN) and their domain information ABR (Area Boundary Router) and area

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 'BN Discovery via ISIS' - jadyn


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
draft dhody pce bn discovery isis 00 txt
draft-dhody-pce-bn-discovery-isis-00.txtBN Discoveryvia ISIS

Dhruv Dhody (dhruvd@huawei.com)

Udayasree Palle (udayasreepalle@huawei.com)

78th IETF @ Maastricht

motivation for this work
78th IETF @ MaastrichtMotivation for this work
  • Discover Boundary Node (BN) and their domain information
    • ABR (Area Boundary Router) and area
    • ASBR (Autonomous system boundary router) and AS
  • Existing mechanism are incomplete and complicated
  • BN-discovery is designed to be light and easily extensible
application
78th IETF @ MaastrichtApplication
  • BRPC [RFC5441] requires Path Computation Element (PCE) [RFC4655] to be aware of BNs for inter-domain path computation.
  • Enabling PCE to dynamically learn BNs and their neighbor domains.
  • Help PCE to generate NEIG-PCE-DOMAIN Sub-TLV [RFC5089]
bnd tlv and sub tlv
78th IETF @ MaastrichtBND TLV and Sub-tlv

BND TLV

0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

| Type | Length |

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

// sub-TLVs //

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

BN-Address sub-TLV

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

| Type = 1 | Length |

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

| address-type | Reserved |

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

// BN IP Address //

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

bnd tlv and sub tlv1
78th IETF @ MaastrichtBND TLV and Sub-tlv

BN-DOMAIN sub-TLV

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

| Type = 2 | Length |

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

| Domain-type | Reserved |

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

// Domain ID //

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

  • BND TLV carried within an IS-IS Router Capability TLV
  • Flooding scope can be controlled to L1 area, L2 sub-domain, entire ISIS routing domain.
next steps
78th IETF @ MaastrichtNext Steps
  • Standard representation of Domain Sequence across area & AS.
  • BND can be utilized in inter-layer scenario.
questions comments
Questions & Comments?

78th IETF @ Maastricht

thanks
Thanks!

78th IETF @ Maastricht