![]() Microsegmentation can significantly reduce the surface available for malicious activity and lessen the effect of an attack on east-west traffic. While many organizations focus on securing external traffic that enters their networks, it is increasingly important for them to monitor internal traffic patterns for malware that has infiltrated the network and insider threats. Visibility into east-west traffic is critical for organizations to determine the best security practices for their networks and data centers. ![]() East-west traffic moves from server to server, while north-south traffic moves from client to server. Leaf switches consolidate traffic from users and then connect to the spine, which comprises the network core of servers and storage systems. The simplicity of a leaf-spine approach is well-suited to handling higher volumes of east-west traffic. To address these issues, many organizations have migrated from traditional three-layer data center architectures to various forms of leaf-spine architectures. For example, if hosts on one access switch need to quickly communicate with systems on another access switch, uplinks among the access layer and aggregation layer become congested. As these components relay data to each other, they increase traffic on the network, which can cause latency issues that negatively affect network performance. Network controllers, virtual machines ( VMs) and other devices perform various functions and services that previously ran on physical hardware. The volume of east-west traffic has grown as a result of virtualization and data center trends, such as converged infrastructure. North-south traffic is typically depicted vertically to illustrate traffic that flows above or below the data center. In contrast, north-south traffic describes client-to-server traffic that moves between the data center and a location outside of the data center network. The term east-west for this type of traffic comes from network diagram drawings that usually depict local area network ( LAN) traffic horizontally. We welcome views on this proposed Nature Recovery Network.East-west traffic, in a networking context, is the transfer of data packets from server to server within a data center. We also acknowledge more work is needed to define measurable targets against the ambitions. WENP are actively involved in contributing to these national methodologies as opportunities emerge. We strongly support this, because we need standard approaches to ensure network maps knit together properly, and because we are more effective when we work together at scale. New mapping tools are being developed at the national level, and it is likely that we will see standard principles for mapping Nature Recovery Networks emerge. This was done in coordination with the Bristol Avon Catchment Partnership, drawing on their expertise in the water environment. We have recently updated the water layers of the Nature Recovery Network to better reflect the challenges in improving water connectivity, providing more relevant information to inform strategic-level decision making to help improve the water environment. ![]() We support the integration of these maps and strategic approach in regional plans, strategies and programmes, including the West of England Green Infrastructure Strategy. What really counts is agreeing our ecological priorities, and developing - and then delivering - a plan to truly enable nature to recover. More than a map, it is an active, adaptive spatial plan that identifies the best opportunities to deliver nature’s recovery. We see the Nature Recovery Network as a joined up network of marine, water and terrestrial habitats where nature and people can thrive. The West of England Nature Partnership is working to develop a regional Nature Recovery Network for the West of England, aligning with shared principles developed across the South West (by the South West Local Nature Partnerships) to ensure coherence and strengthened networks across the wider region. Government’s 25 Year Environment Plan published in January 2018 includes a commitment to “develop a Nature Recovery Network to protect and restore wildlife, and provide opportunities to re-introduce species that we have lost from our countryside.” ![]() This means protecting and enhancing our existing natural habitats, but also making them bigger, creating new areas of species-rich habitat, and, critically, ensuring they join up to create functional and resilient ecological networks that enable nature and people to thrive. To reverse the declines in biodiversity and realise nature’s recovery at scale, we need to work together and on the landscape-scale to embed the Lawton principles of Bigger, Better, More and Joined Up into our policies and strategies. ![]()
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