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Express5 fungible shared memory architecture provides the foundation for a flexible memory scheme which increases scale and efficiency of memory utilization. Introduction Typically, a fixed pipeline architecture ASIC comes with fixed-size tables or memories for various applications in the...
PTX10002-36QDD is the first router equipped with the new Juniper Express5 packet forwarding engine, a new deep-buffer 28.8Tbps package introducing a lot of innovations and improvements compared to its predecessor. This post will answer a simple question: how fast can we program the FIB...
BIER Interoperability testing verified between PTX10002-36QDD and other vendors during the EANTC 2024. Introduction BIER – Bit Index Explicit Replication provides a multicast architecture with no per-tree multicast states in the core, by having the information...
High-level functionality description of BIER as MVPN provider tunnels in the upcoming release of PTX Express 5. Introduction In Cheers! Have a BIER , we explained how BIER [RFC8279] works and how it has come to a prime time for BIER deployment with the hardware capabilities from...
PTX Express 5 ASIC has full support for SRv6 with up to 8 carrier segment identifiers (SIDs) in a packet. That translates to 48 micro-SIDs (uSIDs), enough to pass a packet around the world! Following is a description of how SRv6 was implemented in the ASIC. Introduction The large-sized...
Express5 has leap frogged in terms of Route scale, thanks to a novel approach in implementing the route table memory. This article is part of a series of publications on Express5: Express 5 Overview: https://community.juniper.net/blogs/dmitry...
Filter in Express5 supports Flex Key match on any field in the first 128 bytes of the packet. Using software defined templates, firewall term matches are done using flex-key construction. This can be used to specify matches on user-defined packet byte locations via CLI. Introduction ...
High-level overview of packet processing, exploring the evolution of throughput demands for these processing units, and discussing various methods employed to execute these functions within networking chips. This article has been initially published on LinkedIn at: https://www.linkedin...
The new Juniper PTX10002-36QDD is here. It’s our first 800GigabitEthernet, deep-buffer, high-scale, router in the market, powered by Express 5. And we are very excited to share some details about this unique platform. Introduction/Overview The PTX10002-36QDD is a compact form-factor router...
Express 5 is Juniper's new ASIC for service providers and cloud networks, delivering 2x power efficiency, enhanced traffic insights, hardware-based sampling, value-added services, and supporting high-speed, high-scale routing applications including AI/ML training clusters with up to 16M IPv4...