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Modem life is rubbish: RootMetrics 5G stats show EE has widest UK coverage, but Three is the speed demon

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Most UK cities now have some degree of 5G coverage, promising those with capable devices faster internet connections. But how much of a game change is it really? New data from RootMetrics highlight consistently nimble connections, albeit with some major differences between networks.

Take EE. At the time of RootMetrics’ investigation, it was the solitary carrier with 5G coverage in all 16 metro areas examined. Moreover, its availability in London far outstripped rivals, with 5G availability present in 28.8 per cent of all test sites, compared to O2’s 0.3 per cent and Vodafone’s 5.2 per cent.

EE’s 5G network also covered 40.2 per cent of RootMetrics’ Birmingham test locations, compared to Three, which hit 15.4 per cent of sites.

But what about speeds? These varied massively between networks and locations. Vodafone, for example, offered the fastest median download speeds in London at 181.8Mbps.

Three also performed strongly, despite having a relatively small network footprint compared to its older and more established rivals. It recorded the fastest median network speed of all carriers, with 193.7Mbps in Leicester. It also recorded the fastest overall speed of 478.1Mbps in Liverpool.

The median of EE’s 5G speeds was 103.9Mbps across all 16 markets surveyed. RootMetrics was unable to generate a median for O2 due to the limited number of markets it surveyed at the time of the investigation. O2’s best performance was in Belfast, where it offered 5G coverage in 0.6 per cent of all test sites, with a median speed of 121.3Mbps.

5G is inherently fast so these results aren’t particularly surprising. They do, however, serve to illustrate the relatively sluggish rollout of 5G to date, and the general lack of availability across the country.

Echoing that point, Andrew Ferguson from ThinkBroadband said: “The step change that 5G is showing in speeds is no great surprise.

“For areas that had the best 4G options previously, our own data has seen people using 4G handsets and getting speeds above the median RootMetrics is reporting for 5G. Of course, once you group those ‘best of the bunch’ 4G users along with everyone else, the median was massively lower.”

There’s still a long way to go, said Ferguson. “If 5G is to contribute to the UK 2025 Gigabit target, a lot of things need to change,” he argued. These include the deployment of additional masts on top of existing ones being upgraded to 5G, as well as support for frequencies above 6GHz.

The current political shenanigans with Huawei, however, are unlikely to help. ®

Source: https://go.theregister.com/feed/www.theregister.com/2020/07/29/rootmetrics_uk_5g_stats/

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Oracle aims high-end cloudy database release at existing customers in ‘defensive’ move

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Oracle has brought out a new Exadata Cloud Service based on the Exadata X8M platform, bringing its high-end persistent memory feature to the cloud. Well, Oracle’s cloud at least.

The transactional and analytics database system Exadata X8M was first released last year in a launch Oracle claimed would reduce IO latency by up to 10 times with its use of persistent memory and remote direct memory access (RDMA) over Ethernet.

Bringing the system to the Exadata Cloud Service makes it available on a consumption basis in the Oracle cloud, including 26 global cloud regions and its on-prem service, Cloud@Customer. The omnipresent enterprise computing biz claimed it could help run applications needing multiple workloads and data types in a single converged Oracle Database, avoiding integration of multiple different database services.

Oracle claimed this meant 2.5 times higher transaction processing IOs, and 10 times better IO latency than its previous Exadata Cloud Service release.

The Exadata Database Machine started life in 2008 as an in-memory database appliance that supports OLTP (transactional) and OLAP (analytical) database systems. It was the result of a collaborative project between Big Red and HP (as it was then known), but was later ported to Sun hardware. A version has been available on Oracle Cloud since 2015.

David Floyer, CTO at Wikibon, said that with IO latency of around 20 microseconds and a 25 PB data warehouse available, Wikibon assessed it as the “highest-performance cloud database service available.”

Regardless of its performance, part of the positioning is to boost Oracle in the cloud market, as it was with the Zoom deal earlier this year, said Philip Carnelley, associate vice president of software research at IDC.

It would suit Oracle’s existing customers who want options in the cloud, he added.

“If you’ve already got loads of Oracle everywhere, then it’s becoming more viable to move what you want into the cloud: that’s their big thrust. There is such a huge install base of Oracle, it’s offering them everything in the cloud, on prem, or wherever they want it. From Oracle’s point of view, it could be seen as defensive. This will appeal to very large organisations with a very large investment in Oracle,” he said.

Carnelley said businesses were looking to move to the cloud as soon as possible, while at the same time IT departments would be reluctant to abandon their existing investments. “If it ain’t broke, don’t fix it: you don’t want to change too many things and fewer things you have to change, the better,” he said.

But outside Oracle’s install base, the appeal becomes less certain. In transaction systems Oracle would go up against IBM’s Db2 and SAP’s in-memory HANA database, both of which are available on the public cloud from the usual suspects.

On the analytical systems, Oracle must compete with cloud-native data warehouses such as Snowflake, AWS’s Redshift, Google’s BigQuery and Microsoft’s Synapse. ®

Source: https://go.theregister.com/feed/www.theregister.com/2020/10/16/oracle_cloudy_db/

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OpenStack’s 10th birthday is next week, but you get the present of a new release today!

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On October 21st, 2010, something new hit the world of enterprise infrastructure software: it was free software called OpenStack “Austin” and comprised the Nova VM-wrangler and the Swift Object store.

Enthusiasm for OpenStack has waxed and waned since. In its early years the project’s openness saw the likes of Cisco, Rackspace and HPE tout it as a better alternative than proprietary clouds from AWS Microsoft.

We know how that turned out: AWS, Azure and Google dominate the cloud and while OpenStack runs plenty of colossal web companies, the project’s own user surveys suggest that the majority of deployments are at organisations with between 100 and 10,000 employees.

China turned out to be a big part of the OpenStack story: its web giants Baidu and Tencent are known users, while the nation’s big three telcos – China Mobile, China Telecom and China Unicom – also adopted the stack. They’ve adopted it because OpenStack now offers over 40 modules that are collectively capable of doing just about anything a cloudy or webscale stack requires.

The Register will properly assess OpenStack’s first decade soon, but for now we need to consider the project’s 22nd major release, dubbed “Victoria”, which landed earlier this week.

The new release includes over 20,000 code changes by 794 developers from 160 different organisations and over 45 countries.

The OpenStack Foundation rates improved Kubernetes support, including support for containerised network functions, as among its most important new additions. More FPGA support has been added, specifically for Intel and Inspur accelerators, just in time for the SmartNIC craze to crest. And because too much security is seldom enough, the Octavia module now supports HTTP/2 over TLS using Application Layer Protocol Negotiation (ALPN).

The Ironic module, dedicated to provisioning bare metal servers, has a new communications flow for agent tokens that should make it safer to communicate with devices on the edge. Ironic had a 66% increase in activity compared to the OpenStack Ussuri cycle, and added more security for edge deployments by combining the communication flow for agent token which was added in Ussuri with the automatic agent TLS feature. Now, malicious attackers are unable to possibly intercept the “token” and through standard communication exchanges with the Ironic services. The Foundation also highlighted the following enhancements for “complex networking issues”:

  • The SDN module Neutron now provides metadata service over IPv6 and has added support for flat networks for Distributed Virtual Routers (DVR), Floating IP port forwarding for the OVN backend, and router availability zones in OVN.
  • Load-balancing module Octavia now support version two of the PROXY protocol.
  • Container networking module Kuryr has added support for autodetection of VM bridging interface in nested setups.

OpenStack has published a full list of enhancements present in Victoria here. The next OpenStack release has been named “Wallaby” and should hop into view in April 2021. The release’s timeline and goals can be found here. ®

Source: https://go.theregister.com/feed/www.theregister.com/2020/10/16/openstack_victoria/

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Your web browser running remotely in Cloudflare’s cloud. That’s it. That’s the story

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Network services giant Cloudflare wants to host your web browser in the cloud so it can send you only safe content.

On Thursday, the biz invited customers to sign up for the beta release of its Browser Isolation service, a third component in its evolving Cloudflare for Teams offering that came from S2 Systems, a Kirkland, Washington-based startup acquired earlier this year.

Browser isolation generally involves running a headless web browser – the browser foundation without its graphic interface – on a remote server, now commonly referred to as “the cloud,” and then buffering its visual output in some kind of format to send to software on the user’s computer to display. Scrubbing the web content of bad stuff before it’s rendered is a possibility, too, and that’s what Cloudflare’s Browser Isolation appears to do.

There are also client-side variations like Apozy’s Native Browser Isolation, and HP-acquired Bromium (now HP Sure Click), which relies on running browser tasks inside a hardware-isolated micro virtual machine.

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Browser quarantine regimes have won corporate fans as a way to mitigate web-based security threats, and also to manage how workers interact with the unwholesome web. Think of web content as a package containing a bomb; if it explodes, you’ll wish you opened it in a concrete, reinforced bunker so that adjacent bunkers and buildings aren’t taken out. That’s browser isolation: containing any malicious stuff that spills into and out of the browser on your employees’ PCs.

Companies playing in the browser isolation market like Authentic8, Broadcom (Symantec), Menlo Security, and Webgap, among others, generally point to business-justifying stats compiled by consultancies.

Cloudflare, for instance, cites Gartner’s 2018 claim that web browsers are the source of 70 per cent of endpoint compromises. The IT research firm, declaring the public internet “a cesspool of attacks,” also projected that by 2022, 25 per cent of enterprises will adopt browser isolation technology for high-risk users and specific use-cases, up from one per cent in 2017.

Tim Obezuk, principal solutions engineer at Cloudflare, contends that Cloudflare Browser Isolation has an advantage over other approaches that rely on pixel pushing or DOM reconstruction. The former involves streaming rendered screen pixels to a remote user (slow) or loading pages remotely, checking them, then repacking and relaying them to a remote client (misses threats and prone to errors).

“Instead of streaming pixels to the user, Cloudflare Browser Isolation sends the final output of a browser’s web page rendering,” said Obezuk in a blog post. “The approach means that the only thing ever sent to the device is a package of draw commands to render the webpage, which also makes Cloudflare Browser Isolation compatible with any HTML5 compliant browser.”

Cloudflare Browser Isolation relies on Network Vector Rendering (NVR) technology from its S2 Systems acquisition. This intercepts the draw commands directed at the the remote Chromium browser’s Skia graphics rendering layer, then encodes, compressed, and encrypts them in a highly compact form before sending them to the remote client browser – which can be any HTML5-compliant browser (e.g. Chrome, Edge, Firefox, Safari).

Using an NVR WebAssembly library with an embedded Skia library that has been pushed to the local web browser, the transmitted draw commands can be unpacked, decrypted, and replayed with speed that approaches native device code.

It’s an approach that looks like it could work well given Cloudflare’s edge-centric network – with more than 200 data centers around the globe, latency between the user and the Cloudflare Browser Isolation host is likely to be less than it would be for a service operating under a more centralized network architecture.

We asked Cloudflare if browser add-ons will fit into its isolation approach, and a spokesperson told us:

If hosted browsers of this sort catch on, it may be time to stop referring to them as “user-agents” and call them something more accurate like “admin-agents.” ®

Source: https://go.theregister.com/feed/www.theregister.com/2020/10/15/cloudflare_browser_isolation/

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