Dario LUCATTI

Why 5G Demands a New Transport Network 5G isn’t just faster - it’s smarter, more diverse, and ultra-responsive. To meet these demands: •Peak data rates: up to 20× higher than 4G •Latency: 10× lower for ultra-reliable low-latency communication (URLLC) To deliver this, the transport network has evolved into three key segments, collectively called xHaul: Fronthaul, Midhaul, and Backhaul. 🔹 Fronthaul: From CPRI to eCPRI •Throughput: up to 50 Gbps •Latency: <0.1 ms •Packet-based, more efficient, carrying only selected functions thanks to DU/RU splitting •Enables flexible deployment of Distributed Units at cell sites or edge nodes 🔹 Midhaul: Connecting DU to CU •Data rates: up to 10 Gbps •Latency: <2 ms •Distance: up to 200 km depending on deployment •Provides flexibility in placing DU/CU based on service or traffic needs 🔹 Backhaul: Linking CU/Edge to Core •Data rates: up to 100 Gbps •Latency: <10 ms •Aggregates traffic from multiple sites •Ensures service continuity, handovers, and core-level policy enforcement 💡 Bottom line: 5G’s xHaul architecture transforms the transport network from a single path in 4G into a segmented, performance-tiered network. eCPRI powers real-time fronthaul Midhaul enables flexible DU-CU placement Robust backhaul ensures the core keeps pace with distributed intelligence at the edge The result? A transport network ready to handle 5G’s speed, scale, and diversity. To learn about 5G evolution, refer to the course - https://lnkd.in/eKKRjTUY #5G #Telecom #xHaul #TransportNetwork #eCPRI #DU #CU #EdgeComputing #NetworkInnovation

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🔴 eSIM Reality Check and Privacy Leak Researchers exposed that many travel eSIMs silently route traffic through foreign carriers and grant unverified resellers carrier-grade privileges. 📡 It arises from eSIM’s remote-provisioning model, shifting trust to cloud resellers and routing paths, where nontransparent intermediaries operate with fewer safeguards, leaving users vulnerable to potential data leaks. Key findings: 🔻 Cross-border routing. Many travel eSIMs send traffic via foreign networks (ex. Holafly via China Mobile), exposing data to other jurisdictions. 🔻 Third-party access. Unverified resellers can view IDs, track location, assign static IPs, revoke profiles etc - without oversight. 🔻 Silent activity. Some eSIMs quietly open data sessions or receive SMS without user notification. 25 travel eSIMs were tested 🔸 Nearly all routed traffic through foreign networks. 🔸 2 showed silent “phone-home” activity. 🔸 2 reseller platforms exposed carrier-level controls to unverified users. Does the eSIM standard itself have security flaws? No, the standard is technically secure. ⚠️ But actual security depends on all ecosystem parties (SM-DP+, eUICC, MNOs, resellers) acting correctly. The risks come from how controls are redistributed in real-world deployments, where governance and enforcement lag. 🙌 Kudos to researchers from Northeastern University - Maryam Motallebighomi, Jason Veara, Evangelos Bitsikas and Aanjhan Ranganathan. #eSIM #TelecomSecurity #MobileSecurity #Privacy #GSMA #CyberSecurity

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A significant milestone/way forward was achieved on the approach to 3GPP 𝐂𝐚𝐩𝐚𝐛𝐢𝐥𝐢𝐭𝐲 𝐄𝐱𝐩𝐨𝐬𝐮𝐫𝐞 during 𝐒𝐀#109 meetings in #Beijing, triggered by a multi-company paper highlighting potential improvements that are necessary to enable exposure of 𝐍𝐞𝐭𝐰𝐨𝐫𝐤 𝐂𝐚𝐩𝐚𝐛𝐢𝐥𝐢𝐭𝐞𝐬. Wireless communications are essential for providing seamless connectivity and connecting people! While 3GPP standards offer very complex capabilties beyond basic connectivity services, it is imperative that such capabilties are exposed to the industry verticals and application developers who can integrate them to their services and #innovate beyond #imagination. As we embark and transition into #6G, I believe this is a step in the right direction that will lead to tighter integration of 3GPP networks with emerging services. Thank you 3GPP and the community for this milestone! #3GPP, #6G, #CapabilityExposure, #Standards, #Change

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