Charles Chan | b6ab680 | 2019-09-20 15:44:35 -0700 | [diff] [blame] | 1 | Supported Topology |
| 2 | ****************** |
| 3 | |
Zack Williams | d63d35b | 2020-06-23 14:12:46 -0700 | [diff] [blame] | 4 | Trellis supports various topologies, from a single switch to a full multi-stage |
| 5 | leaf-spine fabric. |
Charles Chan | b6ab680 | 2019-09-20 15:44:35 -0700 | [diff] [blame] | 6 | |
| 7 | Simple |
| 8 | ====== |
| 9 | |
| 10 | Single switch |
| 11 | ------------- |
Zack Williams | d63d35b | 2020-06-23 14:12:46 -0700 | [diff] [blame] | 12 | |
| 13 | This is the minimum Trellis setup. In this setup, all servers are connected to |
| 14 | a single switch. |
Charles Chan | b6ab680 | 2019-09-20 15:44:35 -0700 | [diff] [blame] | 15 | |
| 16 | .. image:: images/install-single.png |
| 17 | |
| 18 | Paired switches |
| 19 | --------------- |
Zack Williams | d63d35b | 2020-06-23 14:12:46 -0700 | [diff] [blame] | 20 | |
| 21 | Compared to single switch, it provides more redundancy in terms of server NIC |
| 22 | failure and link failure. |
Charles Chan | b6ab680 | 2019-09-20 15:44:35 -0700 | [diff] [blame] | 23 | |
| 24 | .. image:: images/install-pair.png |
| 25 | |
| 26 | Single-Stage Leaf-Spine |
| 27 | ======================= |
| 28 | |
| 29 | Without paired switches |
| 30 | ----------------------- |
Zack Williams | d63d35b | 2020-06-23 14:12:46 -0700 | [diff] [blame] | 31 | |
| 32 | Compared to single switch, it offers more redundancy in terms of switch failure |
| 33 | and provides better scalability. |
Charles Chan | b6ab680 | 2019-09-20 15:44:35 -0700 | [diff] [blame] | 34 | |
| 35 | .. image:: images/install-2x2.png |
| 36 | |
| 37 | With paired switches |
| 38 | -------------------- |
Zack Williams | d63d35b | 2020-06-23 14:12:46 -0700 | [diff] [blame] | 39 | |
Charles Chan | b6ab680 | 2019-09-20 15:44:35 -0700 | [diff] [blame] | 40 | It supports all the redundancy and scalability features mentioned above. |
| 41 | |
| 42 | .. image:: images/install-2x4.png |
| 43 | |
| 44 | Multi-Stage Leaf-Spine |
| 45 | ====================== |
Zack Williams | d63d35b | 2020-06-23 14:12:46 -0700 | [diff] [blame] | 46 | |
Charles Chan | b6ab680 | 2019-09-20 15:44:35 -0700 | [diff] [blame] | 47 | Multi-stage is specifically designed for telco service providers. |
Zack Williams | d63d35b | 2020-06-23 14:12:46 -0700 | [diff] [blame] | 48 | |
| 49 | The first stage can be installed in the central office, while the second stage |
| 50 | can be installed in a field office that is closer to the subscribers. |
| 51 | |
Charles Chan | b6ab680 | 2019-09-20 15:44:35 -0700 | [diff] [blame] | 52 | Two stages are typically connected via long distance optical transport. |
| 53 | |
Zack Williams | d63d35b | 2020-06-23 14:12:46 -0700 | [diff] [blame] | 54 | .. image:: images/install-full.png |