How MPLS TE is better than MPLS

Created: May 18, 2019 15:02:48Latest reply: May 20, 2019 17:13:09 107 5 0 0
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Hi , Please explain some : How MPLS TE is better than MPLS 

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ViktorG  Visitor   Created May 20, 2019 14:42:11 Helpful(0) Helpful(0)

Hello Yogijain!

For MPLS TE you can think like this:

- MPLS - tunneling mechanism -
- TE - Traffic engineering features for traffic which is inside MPLS Tunnel.

Application cases:

- For one specific  Application/Service you can assign MPLS TE tunnel to be used for bearing the application/service payload.

- For Each MPLS TE Tunnel you can define the specific/desired behavior - path to be taken by application, specific Bandwidth requirements - like you App need to get 1Gbps BW, and you tunnel will be setup with this requirements and should be supported by all intermediate nodes.
 
Current status that it cab be achieved with separate protocol RSVP and also RSVP relies in IGP (OSPF/ISIS)  to flood the real status about BW and next-hop availability.

Currently,  the big discussion and implementation is going on about adapting Segment-Routing, the idea behind is to use
already existing database of IGP to advertise the desired parameters for TE tunnel, but it can be issue with the depth of the label-stack. as a better solution is to use IPv6 with Segment-Routing header - pure IPv6 forwarding without MPLS :)

Take care and have a great day,

VIktor.
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Take care and have a great day!
Viktor
chenhui  Engager   Created May 18, 2019 16:47:35 Helpful(0) Helpful(0)

Hello there!

MPLS TE provides a better way to control the traffic. It feels like BGP with OSPF, although OSPF and BGP could advertise the routes, but BGP has more attributes to control the route path.
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chenhui  Engager   Created May 18, 2019 16:47:35 Helpful(0) Helpful(0)

Hello there!

MPLS TE provides a better way to control the traffic. It feels like BGP with OSPF, although OSPF and BGP could advertise the routes, but BGP has more attributes to control the route path.
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yogijain  Visitor   Created May 18, 2019 18:13:00 Helpful(0) Helpful(0)

Thanks for explanation
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ViktorG  Visitor   Created May 20, 2019 14:42:11 Helpful(0) Helpful(0)

Hello Yogijain!

For MPLS TE you can think like this:

- MPLS - tunneling mechanism -
- TE - Traffic engineering features for traffic which is inside MPLS Tunnel.

Application cases:

- For one specific  Application/Service you can assign MPLS TE tunnel to be used for bearing the application/service payload.

- For Each MPLS TE Tunnel you can define the specific/desired behavior - path to be taken by application, specific Bandwidth requirements - like you App need to get 1Gbps BW, and you tunnel will be setup with this requirements and should be supported by all intermediate nodes.
 
Current status that it cab be achieved with separate protocol RSVP and also RSVP relies in IGP (OSPF/ISIS)  to flood the real status about BW and next-hop availability.

Currently,  the big discussion and implementation is going on about adapting Segment-Routing, the idea behind is to use
already existing database of IGP to advertise the desired parameters for TE tunnel, but it can be issue with the depth of the label-stack. as a better solution is to use IPv6 with Segment-Routing header - pure IPv6 forwarding without MPLS :)

Take care and have a great day,

VIktor.
  • x
  • convention:

Take care and have a great day!
Viktor
yogijain  Visitor   Created May 20, 2019 14:48:26 Helpful(0) Helpful(0)

thanks a ton Viktor
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Yogendra Jain
ViktorG  Visitor   Created May 20, 2019 17:13:09 Helpful(0) Helpful(0)

Yogendra , You are very welcome! 
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Take care and have a great day!
Viktor

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