1. A system, comprising:
an antenna;
a first circuit operably connected to a first line feed and operable to provide a first signal to said antenna; and
a second circuit operably connected to a second line feed and operable to provide a second signal to said antenna, the second signal being offset in frequency from the first signal,
wherein the first line feed is separate from the second line feed, said antenna is operable to transmit a first beam corresponding to the first signal, said antenna is further operable to transmit a second beam corresponding to the second signal and partially overlapping the first beam, the second beam being offset in frequency to the first beam to thereby minimize a formation of nulls within the first beam and the second beam.
2. The system of claim 1, further comprising:
a third circuit operable to provide a third signal to said antenna, the third signal being offset in frequency from the second signal,
wherein said antenna is operable to transmit a third beam corresponding to the third signal and partially overlapping the second beam, the third beam being offset in frequency to the second beam to thereby minimize a formation of nulls within the second beam and the third beam.
3. The system of claim 2, further comprising:
a first Butler matrix and a first element array collectively operable to transmit the first beam and the third beam with a first polarization.
4. The system of claim 2, further comprising:
a fourth circuit operable to provide a fourth signal to said antenna, the fourth signal being offset in frequency from the third signal,
wherein said antenna is operable to transmits a fourth beam corresponding to the fourth signal and partially overlapping the third beam, the fourth beam being offset in frequency to the third beam to thereby minimize a formation of nulls within the third beam and the fourth beam.
5. The system of claim 4, wherein said antenna further includes:
a first Butler matrix and a first element array collectively operable to transmit the first beam and the third beam with a first polarization; and
a second Butler matrix and a second element array collectively operable to transmit the second beam and the fourth beam with a second polarization,
wherein the second polarization is orthogonal to the first polarization to thereby further minimize a formation of nulls within the first beam, the second beam, the third beam, and the fourth beam.
6. A system, comprising:
an antenna;
a plurality of circuits operable to provide a plurality of signals to said antenna, each of the plurality of circuits being operably connected to a separate line feed, wherein a first signal in each pair of adjacent signals is offset in frequency from a second signal in each pair of adjacent signals;
wherein said antenna is operable to transmit spatially distinct beams corresponding to the plurality of signals, and wherein a first beam in each pair of adjacent beams partially overlaps and is offset in frequency from a second beam in each pair of adjacent beams to thereby minimize a formation of nulls in the spatially distinct beams.
7. The system of claim 1, wherein the first line feed corresponds to the first beam and the second line feed corresponds to the second beam.
8. The system of claim 6, wherein each separate line feed corresponds to of the spatially distinct beams.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A system for managing a logical network operating in a cloud compute environment, the system comprising:
at least one processor operatively connected to a memory;
a network virtualization infrastructure (NVI) component, executed by the at least one processor, configured to:
manage communication between a plurality of virtual machines;
assign globally unique logical identities to the plurality of virtual machines;
map, for each virtual machine, a respective globally unique logical identity to a physically associated network address; and
control communication within the logical network according to the globally unique logical identities.
2. system according to claim 1, wherein the NVI component is configured to map between the globally unique logical identities of the virtual machines having respective physically associated network addresses.
3. system according to claim 1, wherein the NVI component is configured to control communication within the logical network according to the globally unique logical identities at respective virtual network interface controllers (\u201cvNICs\u201d) of the plurality of virtual machines.
4. system according to claim 3, wherein the NVI component is configured to define logically unicast cables between pairs of vNICs of pairs of virtual machines in the plurality of virtual machines according to their globally unique logical identities.
5. system according to claim 1, wherein the system further comprises a database management system (DBMS) configured to store mappings between the globally unique logical identities of the plurality of virtual machines and physically associated addresses.
6. system according to claim 5, wherein the NVI component is configured to update a respective mapping stored by the DBMS between the globally unique logical identity and the physically associated network address in response to migration of a VM to a new location which has a new physically associated network address.
7. system according to claim 5, wherein the NVI component includes a plurality of hypervisors configured to control communication between the plurality of virtual machines according to mappings accessible through the DBMS.
8. system according to claim 1, wherein the NVI component includes a plurality of hypervisors and DBMS associated with at least one or a plurality of cloud providers.
9. system according to claim 8, wherein the plurality of hypervisors are configured to:
assign resources from respective cloud providers, wherein the plurality of hypervisors assign physically associated addresses for the resources; and
maintain mappings between the globally unique logical identities of the plurality of virtual machines and the physically associated addresses.
10. system according to claim 1, further comprising a network definition component configured to accept specification of a group of virtual machines to include in a tenant logical network.
11. system according to claim 10, wherein the network definition component is configured to accept tenant specified definition of the group of virtual machines, wherein tenant specified definition includes identifying information for the group of virtual machines to be included in the tenant logical network.
12. system according to claim 3, wherein the NVI component is configured to define an exclusive communication channel over a logical unicast cable for each pair of virtual machines of the plurality of virtual machines.
13. system according to claim 12, wherein the NVI component is configured to activate or de-activate the exclusive communication channel between the pair of virtual machines.
14. system according to claim 13, wherein the NVI component is configured to activate or de-activate the exclusive communication channel according to tenant defined communication policy.
15. system according to claim 14, wherein the tenant defined communication policy includes criteria for allowing or excluding communication over respective exclusive communication channels.
16. system according to claim 1, wherein the NVI component is configured to control external communication with the plurality of virtual machines at respective vNICs of the plurality of virtual machines.
17. system according to claim 1, wherein a system accessible communication policy can specify communication criteria for external communication.
18. system according to claim 1, wherein the NVI component is configured to manage communication between a plurality of virtual machines by managing physical communication pathways between a plurality of physically associated network addresses which are mapped to respective globally unique logical identities of the respective plurality of virtual machines,
19. system according to claim 18, wherein the mapping between the globally unique logical identities of the virtual machines and physically associated network addresses is configured to use physical network addresses of the NVI.
20. system according to claim 1, wherein the NVI component includes a plurality of hypervisors and respective proxy entities, wherein the plurality of hypervisors and the respective proxy entities are configured to manage the communication between the plurality of virtual machines.
21. system according to claim 20, wherein the respective proxy entities are configured to maintain mappings between the globally unique logical identities of the plurality of virtual machines and the physically associated addresses.
22. A computer implemented method for managing a logical network operating in a cloud compute environment, the method comprising:
managing, by a computer system, communication between a plurality of virtual machines;
assigning, by the computer system, globally unique logical identities to the plurality of virtual machines;
mapping, by the computer system, for each virtual machine, a respective globally unique logical identity to a physically associated network address; and
controlling, by the computer system, communication within the logical network according to the globally unique logical identities.
23. method according to claim 22, wherein controlling communication within the logical network according to the globally unique logical identities includes controlling communication at respective virtual network interface controllers (\u201cvNICs\u201d) of the plurality of virtual machines.
24. method according to claim 23, further comprising defining logically unicast cables between pairs of vNICs of pairs of virtual machines in the plurality of virtual machines according to their globally unique logical identities.
25. method according to claim 22, further comprising storing mappings between the globally unique logical identities of the plurality of virtual machines and physically associated addresses.
26. method according to claim 25, further comprising updating a respective mapping stored by the DBMS between the globally unique logical identity and the physically associated network address in response to migration of a VM to a new location which has a new physically associated network address.
27. method according to claim 25, wherein controlling, by the computer system, communication within the logical network according to the globally unique logical identities includes controlling, by a plurality of hypervisors, communication for the plurality of virtual machines according to the mappings.
28. method according to claim 22, wherein the computer system includes a plurality of hypervisors associated with at least one or a plurality of cloud providers.
29. method according to claim 28, wherein the method further comprises:
assigning, by the plurality of hypervisors, resources from respective cloud providers, including physically associated addresses for the resources; and
maintaining, by the plurality of hypervisors, mappings between the globally unique logical identities of the plurality of virtual machines and the physically associated addresses.
30. method according to claim 22, further comprising accepting specification of a group of virtual machines to include in a tenant logical network.
31-44. (canceled)