service provider

EVPN-VXLAN for Regional ISPs: Extending Layer 2 Without Spanning Tree

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Large VLAN domains depend on spanning tree. Every topology change triggers recalculation and temporary forwarding loss. EVPN-VXLAN replaces large Layer 2 domains with routed underlays and distributed MAC learning. Regional ISPs use this to connect data centers, IX edge infrastructure, and broadband aggregation networks without stretching spanning tree across sites VXLAN encapsulates Ethernet frames inside … Read more

/127s for IPv6 Point -To-Point links

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/127’s for point-to-point links (RFC 6164) instead of /64’s https://datatracker.ietf.org/doc/html/rfc6164 [RFC4291] specifies that interface IDs for all unicast addresses, except those that start with the binary value 000, are required to be 64 bits long and to be constructed in Modified EUI-64 format. In addition, it defines the Subnet-Router anycast address, which is intended to … Read more

Understanding what Gigabit Passive Optical Network (GPON) is?

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GPON is a type of passive optical network technology used to deliver high-speed internet, voice, and video services over fiber-optic connections. It is a point-to-multipoint access network that enables service providers to reach multiple customers using a single optical fiber. Key Components of GPON: The operation of GPON can be broken down into the following … Read more

Why is XGS-PON better than standard GPON?

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In this blog post, I will compare XGS-PON (10 Gigabit Symmetrical Passive Optical Network) and GPON (Gigabit Passive Optical Network) to understand why XGS-PON is emerging as the superior choice for ultra-fast fiber internet. Many Wireless Internet Service Providers (WISPS) are considering getting into fiber to the home (FTTH). Understanding GPON Gigabit Passive Optical Network … Read more

The ever-evolving service provider

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Some of you may have noticed a subtle difference in the title. In many of my previous posts and articles, wISP was written as WISP. Note the capitalization of W. This represents a shift from Wireless Internet Service Providers (WISPs) becoming a more hybrid approach to service delivery. What does this mean? Are Wireless providers … Read more

Podcast: Dead technologies for service providers

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Podcast: Play in new window | Download (Duration: 6:08 — 8.0MB)

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I put together a quick 5-minute podcast talking about two dead technologies for service providers. What is on your list of things no longer relevant or used? #j2podcast #packetsdownrange #routethelight  

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