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Segment Routing (SR) by Arash Deljoo

Segment Routing (SR) by Arash Deljoo

Loại khoá học: Network & Security

Concepts , Configuration and Verification

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50.000 VND
1.599.000 VND
Đầy Đủ Bài Giảng
Học Online Tiện Lợi
Kích Hoạt Nhanh 2-5 Phút
Thanh toán tự động
Được phép tải xuống

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Mô tả

Segment Routing (SR) is a flexible, scalable way of doing source routing. The source chooses a path and encodes it in the packet header as an ordered list of segments.

Segments are identifier for any type of instruction. Each segment is identified by the segment ID (SID) consisting of a flat unsigned 32-bit integer.

Segment instruction can be:

• Go to node N using the shortest path

• Go to node N over the shortest path to node M and then follow links Layer 1, Layer 2, and Layer 3

• Apply service S


With segment routing, the network no longer needs to maintain a per-application and per-flow state.

Instead, it obeys the forwarding instructions provided in the packet. Segment Routing relies on a small number of extensions to Cisco Intermediate System-to-Intermediate System (IS-IS) and Open Shortest Path First (OSPF) protocols.

It can operate with an MPLS (Multiprotocol Label Switching) or an IPv6 data plane, and it integrates with the rich multi service capabilities of MPLS, including Layer 3 VPN (L3VPN), Virtual Private Wire Service (VPWS), Virtual Private LAN Service (VPLS), and Ethernet VPN (EVPN).

Segment routing can be directly applied to the Multiprotocol Label Switching (MPLS) architecture with no change in the forwarding plane. Segment routing utilizes the network bandwidth more effectively than traditional MPLS networks and offers lower latency. A segment is encoded as an MPLS label.

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6 sections

Segment Routing (SR) Fundamentals

4 lectures
IP Routing vs. MPLS Forwarding
32:32
Segment Routing Introduction (A)
22:52
Segment Routing Introduction (B)
18:42
Segment Routing Introduction (C)
23:50

Segment Routing (SR) Basic Configuration

5 lectures
SR-MPLS Configuration with IS-IS for IPv4
01:06:11
SR-MPLS Configuration with OSPF for IPv4
31:02
SR-MPLS Configuration with OSPF for IPv4 in IOS-XE
13:04
SR-MPLS Configuration with IS-IS for IPv4 in IOS-XE
13:33
SR-MPLS Configuration with IS-IS for IPv6
32:48

Segment Routing (SR) Features

5 lectures
SR-MPLS Data Plane Operation - Explicit Null
34:29
SR-MPLS Data Plane Operation - ECMP
11:25
SR-MPLS Usage in MPLS L3VPN without LDP
49:06
Segment Routing Global Block (SRGB)
16:36
Label Switching Database (LSD)
12:19

Segment Routing (SR) and LDP

6 lectures
Segment Routing Co-existence with LDP
47:41
Simple Migration from LDP to Segment Routing
12:15
LDP to SR Interworking Deployment Model
17:28
SR to LDP Interworking Deployment Model
21:23
SR over LDP Interworking Deployment Model
19:39
LDP over SR Interworking Deployment Model
23:06

Topology-Independent Loop-Free Alternate (TI-LFA)

8 lectures
Classic Loop Free Alternate (LFA)
15:54
TI-LFA for Link Protection
24:07
Topology Independent Loop Free Alternate (TI-LFA)
34:31
TI-LFA for Node Protection
20:22
TI-LFA for SRLG
14:49
TI-LFA Preference
49:20
LDP Traffic , Zero Segment
24:36
LDP Traffic , Single Segment
21:48

Segment Routing Traffic Engineering (SR-TE)

15 lectures
SR-TE with Explicit Path in IOS-XE
30:10
SR-TE with Explicit Path in IOS-XR
53:17
SR-TE with Explicit Path using the Adjacency SID
15:46
SR-TE Binding SID
14:54
SR-TE Automatic Traffic Steering with BGP
28:09
SR-TE Disabling Automatic Traffic Steering with BGP
06:29
SR-TE Traffic Steering with Color Assignment in ingress PE
09:20
SR-TE Weighted ECMP (WECMP)
19:38
SR-TE Dynamic Path Based on Metric-Type IGP or TE
24:25
SR-TE Dynamic Path Based on Metric-Type Hop Count
09:18
SR-TE Dynamic Path Based on Affinity with Exclude Any
16:54
SR-TE Dynamic Path Based on Affinity with Include Any
19:00
SR-TE Dynamic Path Based on Affinity with Include All
14:18
SR-TE On Demand Nexthop (ODN)
21:30
Multi domain ODN with Path Computation Element (PCE)
53:34

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