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Segment Routing (SR) and Traffic Engineering (TE): Part One

Segment Routing (SR) and Traffic Engineering (TE): Part One

In previous blogs, we introduced Segment Routing (SR) paths, segments, and label stacks. Now that we are familiar with SR fundamentals, we can discuss the most common SR application, Traffic Engineering (TE).

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Segment Routing (SR) With Multiprotocol Label Switching (MPLS)

Segment Routing (SR) With Multiprotocol Label Switching (MPLS)

In last week’s blog, we explained that a Segment Routing (SR) path is an ordered list of segments. We also explained that a segment is an instruction that causes a packet to traverse one or more links.

 

This week, we will discuss a class of SR implementations that leverage MPLS. We refer to these implementations as SR-MPLS. A thorough understanding of SR-MPLS will help you understand next week’s blog, in which we explain how SR supports traffic engineering applications.

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Segment Routing: Policies, Paths and Segments

Segment Routing: Policies, Paths and Segments

In last week’s blog, we introduced Segment Routing (SR) as an innovative traffic steering mechanism. We also introduced SR domains, policies, paths and segments. This week, we will explore them further.

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A Segment Routing Renaissance

A Segment Routing Renaissance

The Internet was initially designed to provide best-effort connectivity over a least-cost path. Relatively few sites were connected to the Internet, and within those sites, only applications that satisfied an acceptable use policy could be connected.

 

Today, billions of businesses, households and devices are connected to the Internet. Critical applications include telemedicine, traffic control and financial transactions. Some applications (e.g., email) are tolerant of loss, latency and latency variation, while other applications (e.g., gaming) are significantly less tolerant.

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Smart Ambulance Demo at MWC Showcases Critical 5G / SD-WAN Use Case

Smart Ambulance Demo at MWC Showcases Critical 5G / SD-WAN Use Case

In a medical emergency, every second counts. The more paramedics can do on the scene, the better it is for the patient. A more stable patient also means less need to race through traffic or for emergency handovers at the hospital, all of which impact the chance of a successful outcome.

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Juniper Employee
Move Fast and Be Open With SONiC

Move Fast and Be Open With SONiC

At the Open Compute Project (OCP) Global Summit in San Jose, CA earlier this month Juniper further demonstrated its commitment to open programmability with integrations with Software for Open Networking in the Cloud (SONiC) and Switch Abstraction Interface (SAI) on Juniper single and multi-PFE platforms.

 

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Juniper Employee
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Latest Comments
IndustrySolutionsEMEA | 06-10-2019
Re: Segment Routing: Policies, Paths and Segments
IndustrySolutionsEMEA | 06-08-2019
Re: Segment Routing: Policies, Paths and Segments
IndustrySolutionsEMEA | 03-28-2019
Re: Move Fast and Be Open With SONiC