Community Networks Workshop at CANTO Annual Conference

Globally, significant progress has been made in recent years with respect to Internet access, however, much more needs to be done. Presently, 54% of the global community is not connected to the Internet. In the Caribbean region, big disparities can be noted. As measured by Internet penetration rates, while countries such as Barbados (80%), Trinidad & Tobago (70%) are well connected, this is not the case in others such as Haiti (12%) and Guyana (40%).

The challenge in less-connected countries is mainly in their large rural communities.  This is where the Internet Society’s ongoing work related to Community Networks (CNs) hopes to have some impact.

Smart strategies, utilizing the skills, knowledge, and authority of all stakeholders such as government, policy makers, the business community, operators, academia, and civil society entities need to be explored. While governments can play a key role, especially with respect to policies that foster network deployment in rural and underserved areas, telecoms operators are also very important. These operators have well-developed transport networks that can be used as backhaul for community networks developers, to get Internet access to rural communities. Conversations with members of the Internet ecosystem often do not include the operators that are Continue reading

Are We Seeing SD-WAN Washing?

You may have seen a tweet from me last week referencing a news story that Fortinet was now in the SD-WAN market:

It came as a shock to me because Fortinet wasn’t even on my radar as an SD-WAN vendor. I knew they were doing brisk business in the firewall and security space, but SD-WAN? What does it really mean?

SD Boxes

Fortinet’s claim to be a player in the SD-WAN space brings the number of vendors doing SD-WAN to well over 50. That’s a lot of players. But how did the come out of left field to land a deal rumored to be over a million dollars for a space that they weren’t even really playing in six months ago?

Fortinet makes edge firewalls. They make decent edge firewalls. When I used to work for a VAR we used them quite a bit. We even used their smaller units as remote appliances to allow us to connect to remote networks and do managed maintenance services. At no time during that whole engagement Continue reading

Lab makes data sharing easier so medical IoT devices can be smarter

A Cambridge, Massachusetts, research lab is addressing some of modern medicine’s most overlooked issues with cutting-edge IoT technology and an open-source approach, weaving aging devices and deeply siloed data into an accessible web of medical information.The Medical Device Interoperability Program, or MD PnP, in affiliation with Massachusetts General Hospital and Partners Healthcare, is a hub for research into making medical devices dramatically smarter by making it simpler for them to share the data they gather.[ For more on IoT see tips for securing IoT on your network, our list of the most powerful internet of things companies and learn about the industrial internet of things. | Get regularly scheduled insights by signing up for Network World newsletters. ] With more and more people being monitored by IoT devices in hospitals and monitoring themselves with Fitbits and Apple watches, there’s suddenly a lot more digital data than there was before in the world of healthcare.To read this article in full, please click here

Bounding data races in space and time – part II

Bounding data races in space and time Dolan et al., PLDI’18

Yesterday we looked at the case for memory models supporting local data-race-freedom (local DRF). In today’s post we’ll push deeper into the paper and look at a memory model which does just that.

Consider a memory store S which maps locations to values. For non-atomic locations it’s not enough just to store a single memory value at the location. Instead non-atomic locations are mapped to histories H, where a history is a finite map from timestamps to values, and timestamps are totally ordered.

Every thread has a frontier, F, which is a map from non-atomic locations to timestamps.

Intuitively, each thread’s frontier records, for each nonatomic location, the latest write known to the thread. More recent writes may have occurred, but are not guaranteed to be visible.

For atomic locations, the memory store records a pair (F,x), with a single data value x rather than a history. F is a frontier, which will be merged with the frontiers of threads that operate on the location. This is expressed in the rules READ-AT and WRITE-AT in the operational semantics below. The READ-AT rule, for example, should be Continue reading

Cisco, Arista settle lawsuit, refocus battle on network, data center, switching arenas

After nearly four years of slashing at each other in court with legal swords Cisco and Arista have agreed to disagree, mostly.To settle the litigation mêlée, Arista has agreed to pay Cisco $400 million, which will result in the dismissal of all pending district court and International Trade Commission litigation between the two companies.  [ Related: How to plan a software-defined data-center network ] For Arista the agreement should finally end any customer fear, uncertainty and doubt caused by the lawsuit.  In fact Zacks Equity Research wrote the settlement is likely to immensely benefit Arista.To read this article in full, please click here

Cisco, Arista settle lawsuit, refocus battle on network, data center, switching arenas

After nearly four years of slashing at each other in court with legal swords Cisco and Arista have agreed to disagree, mostly.To settle the litigation mêlée, Arista has agreed to pay Cisco $400 million, which will result in the dismissal of all pending district court and International Trade Commission litigation between the two companies.  [ Related: How to plan a software-defined data-center network ] For Arista the agreement should finally end any customer fear, uncertainty and doubt caused by the lawsuit.  In fact Zacks Equity Research wrote the settlement is likely to immensely benefit Arista.To read this article in full, please click here

Cisco, Arista settle lawsuit, refocus battle on network, data center, switching arenas

After nearly four years of slashing at each other in court with legal swords Cisco and Arista have agreed to disagree, mostly.To settle the litigation mêlée, Arista has agreed to pay Cisco $400 million, which will result in the dismissal of all pending district court and International Trade Commission litigation between the two companies.  [ Related: How to plan a software-defined data-center network ] For Arista the agreement should finally end any customer fear, uncertainty and doubt caused by the lawsuit.  In fact Zacks Equity Research wrote the settlement is likely to immensely benefit Arista.To read this article in full, please click here

Mist, VMware VeloCloud Partner On WLAN And WAN Visibility

WLAN vendor Mist has announced a partnership with VMware’s VeloCloud SD-WAN solution, in which Mist can interoperate with VeloCloud to improve visibility into, and troubleshooting of, wireless and WAN performance. Mist provides a cloud-based wireless controller and administrative interface for its APs. This cloud controller can make API calls to VeloCloud’s controller to ingest WAN […]

BrandPost: Ciena Completes Acquisition of Packet Design

Ciena Rick Hamilton, Senior Vice President, Global Software and Services Ciena has officially completed the acquisition of Packet Design. Rick Hamilton, SVP of Global Software and Services at Ciena, details how the integration of these new capabilities into our Blue Planet portfolio will help our customers in their path to the Adaptive Network.Today I had the privilege of welcoming the Packet Design team into the Ciena family, following our May 31 announcement to acquire the company. On July 2, we officially completed the acquisition, bringing the Packet Design network performance management software and critical IP expertise into Ciena’s industry-leading Blue Planet software portfolio.To read this article in full, please click here

EIGRP in the Service Provider Networks

EIGRP in the Service Provider Networks. If you are wondering whether EIGRP (Enhanced Interior Gateway Routing Protocol) is used in the Service Provider networks, then continue to read this post.       EIGRP is very uncommon in the Service Provider networks. As I teach network design training to thousands of students and through my …

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