第五章 Segment Routing
TechWiseTV: Segment Routing for the Data Center https://www.youtube.com/watch?v=m2l77Ny7GvY
根据这篇文章，http://www.sdnlab.com/16784.html， Segment Routing定义的Segment为32bit。
在当前的Segment Routing草案中，定义了两种Segment：Nodal Segment和 AdjacencySegment。
Nodal Segment是全局标签，每一个节点都会分配全局唯一的Nodal Segment，通常使用Loopback接口的地址。
Adjacency Segment是本地标签，在本地有效，用于表示特定的SR节点。（不需要全局唯一）
http://www.segment-routing.net/
Node 是名词，Nodal 是形容词。
Segment Routing https://www.ietf.org/proceedings/88/slides/slides-88-spring-13.pdf
这篇文章说的很形象 https://nutanshinde.wordpress.com/2016/06/30/segmentation-in-segment-routing/
- https://nutanshinde.wordpress.com/2016/06/24/lets-get-connected-with-segment-routing/
- http://packetpushers.net/introduction-to-segment-routing/
- http://www.spirent.com/-/media/Datasheets/Broadband/PAB/SpirentTestCenter/Spirent_Segment_Routing_Emulation_Datasheet.pdf
- ISIS Segment Routing Extensions http://tools.ietf.org/html/draft-ietf-isis-segment-routing-extensions-03
- OSPF Segment Routing Extensions http://tools.ietf.org/html/draft-psenak-ospf-segment-routing-extensions-05
- ISIS IPv6 TE RFC 6119 https://tools.ietf.org/html/rfc6119
- 亚马逊上卖的书，https://www.amazon.com/Segment-Routing-Clarence-Filsfils-ebook/dp/B01I58LSUO#nav-subnav
- http://www.segment-routing.net/home/tutorial 讲得一般
- Cisco IOS XR Software http://www.cisco.com/c/en/us/products/ios-nx-os-software/ios-xr-software/index.html
- Segment Routing on IOS-XR https://mellowd.co.uk/ccie/?p=5437 好文，有例子。好学。
- https://en.wikipedia.org/wiki/IOS_XR
- Cisco dCloud Sgement Routing https://dcloud-cms.cisco.com/demo/cisco-segment-routing-v3
- Cisco IOS XRv 9000 Router Installation and Configuration Guide http://www.cisco.com/c/en/us/td/docs/routers/virtual-routers/configuration/guide/b-xrv9k-cg/b-xrv9k-cg_chapter_01000.html#concept_921C07E3903E4A47A30E8504C6E81AA5
- Cisco Segment Routing v3 Initial Script v1 https://dcloud2-rtp.cisco.com/dCloud/docs/Documents/service_provider_demos/segment_routing_v3/SegmentRoutingv3_Initial_DemoScript_11_Sep_2014.pdf
- Cisco Segment Routing v3 – Multi-topology for Segment Routing https://dcloud2-rtp.cisco.com/dCloud/docs/Documents/service_provider_demos/segment_routing_v3/SegmentRoutingv3_multi-topology_v3_DemoScript_v1_10_Sep_2014.pdf
- Cisco Segment Routing v3 – LDP Coexistence Internetworking https://dcloud2-rtp.cisco.com/dCloud/docs/Documents/service_provider_demos/segment_routing_v3/SegmentRoutingv3_LDP_coexistance_interworking_v2_DemoScript_v1_10_Sep_2014.pdf
- Segment Routing SPN SEVT https://dcloud2-rtp.cisco.com/dCloud/docs/Documents/service_provider_demos/segment_routing_v3/SegmentRoutingv3_lab_v1.pdf
- Cisco Segment Routing v3 – VPNv4 and VPNv6 over IPv4/MPLS https://dcloud2-rtp.cisco.com/dCloud/docs/Documents/service_provider_demos/segment_routing_v3/SegmentRoutingv3_isis_vpnv4_vpnv6_v2_DemoScript_v1_10_Sep_2014.pdf
- Cisco Segment Routing v3 - Multi-area OSPF https://dcloud2-rtp.cisco.com/dCloud/docs/Documents/service_provider_demos/segment_routing_v3/SegmentRoutingv3_ospf_vpnv4_vpnv6_v2_DemoScript_v1_10_Sep_2014.pdf
- Cisco Segment Routing v3 - TI-LFA https://dcloud2-rtp.cisco.com/dCloud/docs/Documents/service_provider_demos/segment_routing_v3/SegmentRoutingv3_TI-LFA_v3_DemoScript_v1_10_Sep_2014.pdf