Kickstart your journey to IPv6 with Phase Routing over IPv6 (SRv6)

Phase Routing over IPv6 (SRv6) is an extension of the IPv6 structure that allows the insertion of routing directions, referred to as segments, immediately into IPv6 headers. This standards-based expertise allows simplicity, flexibility, and safety at scale. The architecture, outlined in RFC 8402

IP Model 6 (IPv6), as famous in IPv6 OMB Mandate: What’s Your Technique? is the brand new IP customary for the US Federal Authorities. IP Model 6 gives the extra addressing and basis in the direction of a Zero Belief enabled infrastructure.  

Combining Phase Routing with IPv6, referred to as Phase Routing over IPv6 (SRv6), lays the inspiration for end-to-end providers and 0 belief safety throughout a whole group/enterprise.  

Why Phase Routing 

Phase routing simplifies community structure and operations through source-based routing. On the information airplane Phase Routing can run through IPv6 or through multiprotocol label switching (MPLS). With the OMB IPv6-Solely mandate and the inherent advantages of SRv6, authorities organizations needs to be gearing in the direction of SRv6.  

SRv6 empowers community operators with enhanced site visitors engineering and the flexibility to transcend. SRv6 allows environment friendly and resilient useful resource utilization, Any VPN, Service Perform Chaining (SFC), 5G habits natively with IPv6, and optimized path choice. The simplicity gained by way of diminished management airplane complexity facilitates organizational visibility, operational simplicity, and infrastructure administration. Merely put, if you happen to can troubleshoot IP, you may troubleshoot SRv6. In an IPv6-Solely atmosphere SRv6 permits organizations to seamlessly scale and achieve (again) the benefits of IP and IPv6 by way of handle summarization. For instance, a site of 10 or 10,000 or bigger could be summarized right into a single IPv6 commercial reachable through 1 easy prefix. Enterprises and huge organizations with tens of 1000’s of nodes can now present full reachability with only a few IPv6 prefixes.  

[ Segment Routing Details – https://segment-routing.net]  

Cisco has been a frontrunner in Phase Routing and SRv6 since its inception in 2013; to incorporate delivery of SRv6 since 2019. Moreover, SRv6 is integrated inside open-source initiatives and open-source communities. Going ahead it will proceed to drive growth and interoperability of SRv6 and supply advantages when it comes to innovation, collaboration, and customization in assembly and exceeding enterprise and mission aims. Some examples of open-source initiatives embody the Quick Information Mission FD.io, SAI/SONiC, and Free-Vary Routing (FRR). A extra complete listing could be discovered at: https://www.segment-routing.internet/open-software  

Open Supply at Cisco 

Public Sector and Enterprise Use Instances   

SRv6 together with IPv6-Solely is relevant anyplace inside a company. Throughout authorities and public entities this contains regional schooling networks, broadband and center mile initiatives, healthcare (e.g., telemedicine), 5G, Personal 5G, IoT, and Edge. Future use-cases are quite a few with advantages past legacy infrastructure; to incorporate extension of SRv6 providers to the appliance layer.  

 A superb high-level design (HLD) of SRv6 could be discovered right here: Cisco Converged SDN Transport SRv6 Excessive Stage Design. The ideas inside this HLD akin to a core community are the identical as a self-managed broad space community or core community of a big enterprise. In referencing the Cisco IPv6 Journey Map , public sector organizations ought to take into account and plan for SRv6 inside the technique/planning section. The last word final result of transition to SRv6 and IPv6-only being mission success with added advantage of alignment with the OMB Mandate.  

 Get began with SRv6 and IPv6 right now and be taught extra through the next assets:  

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