A far-reaching technology and business relationship forged by Ericsson and Cisco Systems will focus on next-gen networks and wired/wireless convergence and virtualization, but it also spells trouble for several of their networking rivals.

“[W]e think this news bodes negatively for competitors and partners, including Alcatel-Lucent, Nokia, Juniper and Ciena,” Raymond James analyst Simon Leopold said in a research note issued Monday in the wake of the Ericsson-Cisco agreement.

Investors seem to agree, at least with respect to Juniper, whose shares were down 7.88% in mid-day trading Monday. Feeling less of the brunt was Ciena (down 1.85%), Alcatel-Lucent (down 0.86%), and Nokia (down 1.46%). Ericsson shares were up 1.35%, and Cisco’s were down 1.09%.

Leopold said the new relationship makes business sense for Ericsson-Cisco, in some of the same ways it does for the pending merger between Alcatel-Lucent and Nokia.

“Both companies (Cisco and Ericsson) bring intellectual property and R&D to the table,” Leopold said. “ Cisco's greatest strengths lie in software, switching and routing, along with its powerful enterprise channel, and Ericsson brings strength in wireless, services, and telco network management."

While he is optimistic about the partnership, which ties together similar challenges and objectives, Leopold warned that many such arrangements have not panned out. Juniper and Ericsson have been partnered up for several years, but have “suffered after Ericsson acquired Redback,” he pointed out.

On a call Monday to discuss the deal in more detail, top execs with Cisco and Ericsson highlighted the incremental growth opportunities it presents, and focused less on how the agreement will impact existing partnerships with other vendors.

Ericsson and Cisco have been in discussions about the deal for about 13 months, with a “significant acceleration” in those talks in the last six months, Cisco CEO Chuck Robbins said, noting that Ericsson’s service reach (65,000 people in that group) complements Cisco’s much smaller 11,000.  “It’s very much about looking out ahead of what’s in the markets and dramatic transformation of networks and IT.”

“This is a big bet for both of us,” added Ericsson president and CEO Hans Vestberg.

Both Vestberg and Robbins will have management oversight of the partnership, which aims to create an additional $1 billion in incremental for each company by 2018.

Why not just merge the companies? Robbins said partnership was the best way to accelerate the goals that the companies can bring to the table with their respective products and technologies.

“We think that this brings the innovation from both sides and allows us to move now. It allows us to absolutely deliver solutions to our customer immediately”

Vestberg agreed that Ericsson had options to build, buy or partner to fulfill its longer-term missions, “and partner was the only way forward in order to make it efficient.”

“We believe this is the right move for us, right now,” Robbins added.

Vestberg said Ericsson’s existing vendor partnerships will remain intact, and views the Cisco deal as a growth opportunity that will also enable the company to broaden its portfolio.

Here’s some good news if you’re a vendor with a stake in ISP upgrade cycles – viewing of OTT video across multiple devices are poised to increase households bandwidth requirements by 31% annually over the next five years.

That’s according to an ACG Research study sponsored by Ciena, a supplier that would also stand to benefit from those findings.

The study, “Forecast of Residential Fixed Broadband and Subscription Video Requirements,” sees the peak hour average usage per home jumping from 2.9 Mbps this year to 7.3 Mbps in 2018, holding that such a metric is directly applicable to residential backhaul planning.

Ciena and ACG said the forecast will help network planners brace for this coming demand as broadcast video services increasingly get delivered in multicast across the metro network, and distributed as bandwidth-eating unicast streams in the home.

The forecast also predicts that OTT unicast video traffic will be 4.6 times greater than multicast traffic by 2018,while usage of Internet video grows from 12% of overall peak average bandwidth this year, to 25% in 2018, a CAGR of 56%.