Paragon Pathfinder Overview

0:00 [Music]

0:12 hello welcome to the paragon pathfinder

0:15 overview learning byte i'm gordon with

0:17 the education services department at

0:19 juniper networks let's get started

0:23 during this learning by we will examine

0:25 paragon pathfinder

0:30 paragon pathfinder is an application

0:32 that is a member of the paragon

0:34 automation suite there's paragon

0:36 pathfinder paragon insights and paragon

0:39 planner

0:40 paragon pathfinder is able to acquire

0:44 the topology of a service provider or a

0:48 large enterprise mpls wan and it is an

0:52 sdn controller it is capable of

0:56 performing path computations

0:59 for segment routed or rsvp signaled lsps

1:03 and then communicating that signaling

1:06 information to routers so the lsps can

1:08 be signaled on your network and so it's

1:09 a centralized path computation engine

1:12 that can dynamically manage lsps and

1:14 again large service provider or large

1:16 enterprise wands mpls lands

1:19 again it supports segment routed lsps

1:21 rsvp signaled lsps and it is traffic

1:24 engineering aware um the network

1:27 topology information that it ingests

1:30 includes the information that's stored

1:32 in a network's

1:34 traffic engineering database their igp

1:36 traffic engineering database

1:38 and so it's completely aware of network

1:41 information like link administrative

1:43 groups

1:45 available bandwidth reserved bandwidth

1:48 traffic engineering metrics and so it's

1:51 very aware of your network it supports

1:53 scheduling the instantiation and the

1:55 teardown of mpls lsps

1:58 and performing path computations after

2:01 removing network components that may not

2:04 be available because of maintenance

2:06 reasons

2:07 i'm going to connect to a paragon

2:08 pathfinder installation and we'll take a

2:10 look

2:13 paragon pathfinder uses the paragon

2:16 automation web interface and this is a

2:19 network topology it's a very simple

2:20 topology but it'll work i i have six

2:24 nodes

2:25 paragon pathfinder remember is able to

2:27 discover the nodes and the links that

2:29 make up your wan

2:32 there are two of these routers vmx1 and

2:34 vmx2 that are mpls ingress in egress

2:38 routers and

2:40 vmx345 and 6 or simply mpls transit

2:43 routers

2:44 and paragon pathfinder uses a protocol

2:47 called psep to peer with mpls english

2:50 routers and discover label switched

2:52 paths it uses bgp to discover your

2:56 network topology the nodes

2:59 and the links

3:00 and it's an active topology again since

3:03 it uses routing protocols to discover

3:05 that apology topology if a link is down

3:08 it's immediately known

3:10 by paragon pathfinder and that link can

3:12 be removed from the network topology

3:15 path computations can be performed and

3:18 affected pass

3:20 can be re-signaled on the network using

3:23 alternate paths

3:25 so it's real live information a lot of

3:27 people like paragon pathfinder just

3:30 because of the visibility

3:32 i can select a node i can adjust values

3:36 for nodes for example i can include

3:38 longitude and latitude values on these

3:41 node objects and apply a country map and

3:44 have the nodes automatically located

3:46 based on

3:48 those latitude and longitude values i

3:50 can see all the links

3:52 in my network right this is part of the

3:54 topology i can select a link

3:57 it's highlighted in the topology map i

3:59 can right click and view traffic that

4:01 flows through the link i can assign

4:03 labels to the links labels to the nodes

4:07 i can view timelines of events so i can

4:10 for example for this particular link

4:12 over a certain timeline what are the

4:14 most recent events and again this is

4:16 part of the topology acquisition the

4:19 real-time capabilities and the real-time

4:21 visibility you can get

4:23 from paragon pathfinder

4:25 now we mentioned mpls lsp management

4:29 uses a protocol called psep

4:31 to discover and manage the lsps in the

4:34 network and there are three existing

4:36 lsps

4:38 automatically discovered their status

4:40 information is updated in real time this

4:42 is one of the benefits of psup i can

4:44 select a particular tunnel view its path

4:47 through the network

4:49 the status setup priorities hold

4:51 priorities bandwidth that's been

4:53 reserved for a particular tunnel it's

4:55 fun to provision a tunnel if there's a

4:58 provision option and i'm just going to

5:00 provision just a very simple tunnel

5:03 between a pair of nodes you can

5:05 provision using netcomp or psep we'll

5:08 provision using psep in this case

5:10 because i have configured

5:12 nodes for that

5:14 we can use rsvp or segment routing to

5:17 signal the label switch path on the

5:20 network

5:22 we'll give a tunnel a name like learning

5:24 byte

5:27 i can specify the nodes involved i think

5:31 for node a

5:33 i'm going to pick vmx2 i'd like that to

5:35 be the ingress node and in node z let's

5:37 just go pick vmx1 so these are the nodes

5:40 that were discovered as part of my

5:41 topology

5:43 um it's going to be i can do primary

5:45 pass secondary standby i'm not going to

5:47 name the path let's reserve i don't know

5:50 maybe

5:51 something fun how about like 50 megs of

5:53 bandwidth right let's do that

5:56 and you can specify a setup priority

5:59 hold priority the default routing method

6:02 between vmx2 and vmx1 when it provisions

6:05 this tunnel would be the igp

6:08 you know traffic engineering shortest

6:09 path between those two nodes but you can

6:11 route based on delay

6:13 mileage the distance right you can have

6:16 administrative weights

6:18 so it's very flexible in the values that

6:20 it can use to determine the optimum path

6:22 for a particular tunnel it supports

6:24 dynamic bandwidth

6:26 sizing

6:27 constraints for example i only want this

6:30 tunnel to diverse links that are members

6:32 of this administrative group like the

6:34 platinum administrative group or the

6:35 bronze administrative group

6:37 you can assign a maximum delay this is a

6:39 very latency sensitive customer so

6:42 between ingress and egress nodes if we

6:44 can't have a path it's more than let's

6:45 say 300 milliseconds in latency right in

6:48 and this all is part of the path

6:50 computations that are will be performed

6:52 once this tunnel once you click add

6:55 right this is how the explicit route

6:56 objects will be calculated and then

6:58 forwarded to vmx2 for signaling on the

7:01 network using rsvp

7:03 there's some advanced options

7:05 if you want to make like a symmetric lsp

7:07 i want to make sure this lsp uses this

7:10 diversity group you can specify link

7:12 level and site level you know diversity

7:15 so you have to have redundant paths

7:18 for lsps it supports network slicing so

7:22 this can be part of a particular network

7:24 node slice

7:26 let's look at some more so it's more

7:27 it's kind of fun the default again is is

7:29 it will dynamically figure out the

7:32 based on the igp metric shortest path

7:34 between vmx2 and vmx1 but you can

7:36 specify

7:38 loose

7:39 hop routing strict hop routing you can

7:42 specify hop by hop by hop how you want

7:45 this tunnel to be provisioned i'm going

7:47 to keep it simple just dynamically

7:49 figure this out for me and you can

7:50 schedule this lsp by default when i say

7:53 add this lsp will be provisioned but i

7:55 can say oh i i only need this lsp on the

7:57 weekends or just certain during certain

7:59 hours or it's a one-time event it's very

8:02 flexible in the capabilities

8:04 very powerful so let's add

8:07 this

8:08 new lsp

8:10 refresh my network info here's our

8:13 learning bytes

8:15 lsp and that just so happens to be the

8:17 path that was computed that met all the

8:19 constraints

8:20 that we define when we provision this

8:22 label switch path so i just wanted to

8:25 provide you a little bit of visibility

8:27 and a little bit of overview

8:29 about paragon pathfinder

8:32 to learn more about paragon pathfinder

8:34 juniper networks education services

8:37 department has a juniper paragon

8:39 automation in the wan jpaw j-paw course

8:43 four days it introduces multiple paragon

8:46 automation applications including

8:48 paragon pathfinder paragon planner and

8:51 paragon insight hands-on labs with all

8:54 of those components view the schedule

8:56 for this course at

8:57 learningportal.juniper.net

9:01 in this learning byte we examined

9:03 paragon pathfinder thank you very much

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9:37 [Music]